351 ... 54 12 36 Vakuum Circuit-Breaker 3AH51 ... 54 12 kV up to 36 kV : 9229-9989-921-0A Operating Instructions Order-No.: 9229-9989-921-0A 3AH51 ... 54 (36 / 25 / 2500 ) Vacuum Circuit-Breaker 3AH51 ... 54 (36 kV / 25 kA / 2500 A) . : PTD MC P12 1 Log 2004-06-01 Kb pcc.-. All rights reserved. Place of order: PTD MC PB12 P1 Log Berlin Printed in the Federal Republic of Germany Version 2004-06-01 Kb Ru-En 9989-921-0 2004-06-01 This page is left intentionally blank. Contest Page 1 ................. 1-1 1 General .................................. 1-1 2 .......... 2-1 2 Technical data....................... 2-1 2.1 ..............................................2-1 2.1 Type designation .................................................. 2-1 2.2 .........................................2-2 2.2 Rating plate........................................................... 2-2 2.3 .......................................................2-2 2.3 Standard specifications......................................... 2-2 2.4 / ..................2-3 2.4 Ambient temperature/humidity and loadability...... 2-3 2.5 ...............................................2-4 2.5 Site altitude ........................................................... 2-4 2.6 35 .............................................2-6 2.6 Rated data 3AH5 vacuum circuit-braker............... 2-6 2.7 ..........................................2-8 2.7 Operating times .................................................... 2-8 2.8 (S1) 3SV92 ....2-9 2.8 Auxiliary switch (S1) 3SV92.................................. 2-9 2.9 (Y9) 3AY1510 ( ) ..................................2-10 2.9 Closing solenoid (Y9) 3AY1510 (additional feature).............................................. 2-10 2.10 (Y1) 3AY1510 ......2-11 2.10 Shunt release (Y1) 3AY1510 .............................. 2-11 2.11 (Y2) 3A1101 ( ) ..................................2-11 2.11 Shunt release (Y2) 3AX1101(additional feature) 2-11 2.12 (Y7) 3A1103 ( ) ..........2-11 2.12 Undervoltage release (Y7) 3AX1103 (additional feature).............................................. 2-11 2.13 (Y4) 3A1102 ( )...2-12 2.13 CT-Operated release (Y4) 3AX1102 (additional feature).............................................. 2-12 2.14 (Y6) 3A1104 ...............2-12 2.14 CT-operated release (Y6) 3AX1104 ................... 2-12 2.15 ( V1 V3) 31526 ........2-13 2.15 Varistor module (V1 to V3) 3AX1526.................. 2-13 2.16 , (S6 S7) ( ) ..................................2-13 2.16 Breaker tripping signal, cut-out switches (S6 and S7) (additional feature)......................... 2-13 2.17 ( ) .....................2-13 2.17 Mechanical interlocking (additional feature with stored-energy mechanism) ................................. 2-13 2.18 ..................................................2-14 2.18 Dimensions and weights..................................... 2-14 3 .............................. 3-1 3 Description ............................ 3-1 3.1 .........................................................3-1 3.1 Construction.......................................................... 3-1 3.2 ....................................3-2 3.2 Vacuum interrupters ............................................. 3-2 3.3 ..........................................................3-4 3.3 Equipment............................................................. 3-4 4 .................................. 4-1 4 Installation............................. 4-1 4.1 ...............4-1 4.1 Installing in cubicle or on truck.............................. 4-1 4.2 .4-2 4.2 Flat bar connection ............................................... 4-2 4.3 ...............................4-3 4.3 Control leads......................................................... 4-3 4.4 .........................................................4-3 4.4 Earthing ................................................................ 4-3 4.5 .........................................4-4 4.5 Wiring diagrams.................................................... 4-4 5 ................................... 5-1 5 Operation............................... 5-1 5.1 ..........................................5-2 5.1 Commissioning ..................................................... 5-2 5.2 ...........................................................5-3 5.2 Closing.................................................................. 5-3 9989-921-0A 2004-06-01 6 ....................6-1 6 Maintenance ..........................6-1 6.1 ...............................6-1 6.1 Servicing............................................................... 6-1 6.2 ................................................................6-2 6.2 Cleaning ............................................................... 6-2 6.3 ............6-3 6.3 Abnormal operating conditions ............................. 6-3 6.4 ...........................6-4 6.4 Checking the contact system................................ 6-4 6.5 ...............................................6-4 6.5 Checking the vacuum ........................................... 6-4 6.6 ...........6-4 6.6 Service life ............................................................ 6-4 6.7 ..................6-6 6.7 Accessories and spare parts ................................ 6-6 7 ....8-1 7 Disposal note ........................7-1 8 .8-1 8 Service ...................................8-1 9989-921-0A 2004-06-01 1 1 General WARNING , , . This equipment contains hazardous voltages and mechanical parts which move at high speed and may be controlled remotely. . Non-observance of the safety instructions can result in severe personal injury or property damage. , , . Only qualified personnel should work on or around this equipment after becoming thoroughly familiar with all warnings, safety notices, and maintenance procedures contained herein. , , . The successful and safe operation of this equipment is dependent on proper handling, installation, operation and maintenance. ! Note: 35 IEC . In their basic design and with all standard listed equipment options, 3AH5 V-breakers are type-tested components in accordance with IEC. , , , , , . If any attachments or installations, e. g. interlocking components in connection with switchgear, are made to the breakers at a later stage, it must be ensured that quickly moving parts are not loaded additionally by masses or forces and that any added parts have an adequate clearence particularly to moving and live parts. , , , . If the customer intends to fit the breakers with additional functions, we recommend that he should first consult our factory as in most cases proven and tested solutions are already available. 9989-921-0A 2004-06-01 1-1 (-) 35 , , 12 36 . Siemens 3AH5 vacuum circuit-breakers (V-breaker) are of the triple-pole indoor type for rated voltages between 12 and 36 kV. . The vacuum circuit-breaker is installed vertically (in relation to the vacuum interrupters). IEC 60594 VDE 0670, 1000. Under normal operating conditions the vacuum circuit-breaker is maintenance-free in accordance with IEC 60594 and VDE 0670 Part 1000. 1-2 9989-921-0A 2004-06-01 2 2.1 2 Technical data 2.1 35 - (MLFB). . 8 . MLFB . MLFB : Type designation 3AH5 vacuum circuit-breakers are identified by a machine-readable product designation made up of a series of figures and letters, whose first 8 places can be found on the name plate of the circuit-breakers. In connection with the design code stated on the name plate, the machine-readable product designation provides a full description of the circuit-breaker. The figure below shows what the individual places of the basic machine-readable product designation stand for: 1 2 3 4 3 1 2. 3. 4. A H 5 1 2 4 .2/1 9989-921-0A 2004-06-01 1 2 3 4 2 ... Basic type Rated voltage code, design code Rated short circuit breaking current code Rated normal current code Fig. 2/1 Product designation 2-1 2.2 2.2 MLFB , : Rating plate The rating plate which can be read in the operating position, contains the following information : 1 1 2 3 4 5 6 12 11 10 9 8 1 12 2 3 4 5 6 11 10 9 8 7 1 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. , .2/2 2.3 1 2 3 4 5 6 7 8 9 10 11 12 Manufacturer Design code Year of manufacture Rated normal current Rated operation sequence Weight Rated operation sequence Rated lightning impulse withstand voltage Rated short-circuit breaking current Rated voltage, Rated frequency Serial number Type designation Fig. 2/2 Rating plate ! Note: , , , . In the event of any queries state the type designation, design code and the serial number. 35 IEC 62271-100, IEC 60694, BS 5311 IEC (DIN EN) 60265-1. 2-2 7 2.3 Standard specifications The 3AH5 vacuum circuit-breakers comply with the standards of 62271-100, IEC 60694, BS 5311 and IEC (DIN EN) 60265-1. 9989-921-0A 2004-06-01 2.4 / 2.4 Ambient temperature/humidity and loadability 35 , . The 3AH5 V-breakers are designed for the normal operating conditions laid down in the standards. : Permissible ambient temperatures: 24 = + 40 C = + 35 C = - 5 C : Maximum value Average over a period of 24 hours = + 40 C = + 35 C Minimum value = - 5 C Permissible relative atmospheric humidity: 24 1 Maximum value, 24 hour mean 95 % Maximum value, 1 month mean 90 % 95 % 90 % . IEC 60721, 3-3: Under these conditions condensation may occasionally occur. Furthermore, the breaker is also suitable for use in the following climatic categories per IEC 60721, Part 3-3: Climatic environmental conditions: Category 3K41) 34 ) Biological environmental conditions: Category 3B1 31 32 322) Chemically active materials: Category 3C22) 3C23) Mechanically active materials: Category 3C23) 1 Mechanical environmental conditions: Category 3M2 , , . . Use of the breaker under conditions other than normal is possible when certain measures are implemented. Please ask your local Siemens office about the necessary measures. . 2/5 40 C DIN VDE IEC. . 2/3 35. . , , . The rated normal currents listed in Fig. 2.5 were laid down for an ambient temperature of 40 C in accordance with DIN VDE or IEC. V-breaker ambient temperature has been plotted in Fig. 2/3. The load currents indicated apply to open-type switchgear. Metal-enclosed switchgear must be derated as specified by the switchgear manufacturer. 1) : - 5 C 2) 3) : 1) Lower temperature limit: - 5 C 2) Without ice formation and wind-driven precipitation 3) Prerequisite: clean insulating parts 9989-921-0A 2004-06-01 2-3 3000 I A 2600 d 2200 c 1800 1400 b 1000 a 600 20 30 40 50 60 C t .2/3 l T 35 : a) 800 A b) 1250 A c) 2000 A d) 2500 A Fig. 2/3 Maximum permissible load current I as a function of the switch ambient temperature T for rated normal currents: 2.5 2.5 a) b) c) d) 800 A 1250 A 2000 A 2500 A Site altitude ( , )1) DIN EN 60071-2 IEC 71-2 (1013 a, 20 C, 11 /3 ), .., . . VDE, IEC 1000 ; .. 9 % . The rated insulating capacity values (rated impulse withstand voltage, rated power frequency withstand voltage)1) specified for the equipment are, in accordance with the provisions of DIN EN 60071-2 and IEC 71-2, based on standard atmospheric conditions (1013 hPa, 20 C and 11 g/m3 water content). i. e. sea level. The insulating capacity of an insulation in air decreases with increasing altitude as a result of changes in the air density. Standards promulgated by VDE, IEC and other disregard this decrease in insulating capacity for altitude of up to 1000 m, i.e. the decrease of approximately 9 % at this altitude is still permissible. 1000 ; . The standards provide no guideline for altitudes of more than 1000 m with respect to insulation ratings; they leave this up to an agreement between manufacturer and user. 1) = VDE, IEC . 1) Rated lightning impulse withstand voltage or Rated power frequency withstand voltage = required value corresponding to the provisions of VDE, IEC etc. for sea level 2-4 9989-921-0A 2004-06-01 1000 . 1000 , 9 % 1 ) ( 0,91 1,1 . Our own recommendation is as follows: Since this method used for rating insulation up to altitudes of 1000 m has proved to be satisfactory, it should also be applied to higher altitudes. The altitude correction factor a should therefore be based on the insulating capacity at 1000 m, which is lower by 9 % (corresponding to 0.91 1 ) than the capacity at sea level. or 1.1 , : - Rated withstand voltage1) to be selected > 1,1 x a > Required withstand voltage 1.1 x a 1) : Example: : 3000 17,5 ANSI: 95 ( . 2/4) = 0,73 Site altitude above sea level: 3000 m Required impulse withstand voltage 95 kV (for a 17.5 kV system according to ANSI) Correction factor a (according to Fig. 2/4) = 0.73 Rated impulse withstand 95 = 118 1,1 x 0,73 95 kV = 118 kV 1.1 x 0.73 24 (. 125 ) IEC 60694, 2. Switchgear with a rated voltage of 24 kV (rated lightning impulse withstand voltage of 125 kV) meets this requirements in accordance IEC List 2. : The actual insulating capacity at the site is then: 2) = x 1) . withstand voltage2) = a x rated withstand voltage1) of the selected switchgear unit. a 1,0 0,9 0,8 0,7 0,6 0,5 0 1000 2000 3000 4000 5000 h [m] .2/4 h Fig. 2/4 Relationship between the correction factor a and the altitude h 1) = VDE, IEC . 2) = . 1) Rated lightning impulse withstand voltage or Rated power frequency withstand voltage = required value corresponding to the provisions of VDE, IEC etc. for sea level 9989-921-0A 2004-06-01 2) Lightning impulse withstand voltage or power frequency withstand voltage = actual value for the given altitude 2-5 2.6 35 2.6 Rated data 3AH5 vacuum circuit-braker 1 2 3 4 5 6 7 8 9 10 11 12 75 28 13,1 3 800 32,8 160 35 2 3AH5 121-1 210 35 16 3 160 40 3 3AH5 122-1 1250 160 40 3AH5 122-2 800 210 40 3AH5 132-1 800 800 40 1250 20 25 31,5 3 3 3 210 40 160 40 1250 160 40 3AH5 123-2 800 210 40 3AH5 133-1 800 50 3AH5 132-2 5 3AH5 123-1 1250 210 40 2000 210 55 6 3AH5 133-4 160 40 1 3AH5 124-1 1250 160 40 3AH5 124-2 800 210 40 3AH5 134-1 1250 210 40 3AH5 134-2 2500 210 55 6 3AH5 134-6 160 40 6 3AH5 125-2 1250 210 45 3AH5 135-2 2500 210 55 3AH5 135-6 800 1250 63 80 1 Ur . 2. U . 3. Ud . 4. Isc . 5. tk . 6. Ir . 7. Ima . 8. . 9. 1) . 10. ( , . . 6/1) 11. 1) ; 10 . 2-6 3AH5 131-1 3AH5 133-2 1 2 Rated voltage Ur in kV Rated lightning impulse withstand voltage Up in kV 3 Rated power frequency withstand voltage Ud in kV 4 5 Rated short-circuit breaking current Isc in kA Rated short-circuit duration tk in s 6 7 Rated normal current Ir in kA Rated short-circuit making current Ima in kA 8 Pole centre distance in mm 9 Weight1) in kg 10 Electrical endurance (load characteristics number, see Fig. 6/1) 11 Type designation 1) Basic version; the weight can be up to 10 kg higher depending on the equipment level 9989-921-0A 2004-06-01 . L 1 2 3 4 5 17,5 95 38 25 3 6 7 800 63 24 125 50 16 20 25 36 170 70 16 25 3 3 3 3 3 3 9 10 8 11 160 40 1250 160 40 3AH5 204-2 800 210 40 3AH5 214-1 1250 210 40 3AH5 214-2 210 55 160 40 1250 210 45 3AH5 215-2 2500 210 55 3AH5 215-6 2500 31,5 8 1250 800 80 3AH5 214-6 6 210 55 210 55 3AH5 272-2 800 275 55 3AH5 282-1 1250 275 55 3AH5 282-2 210 55 210 80 3AH5 273-4 2500 210 80 3AH5 273-6 1250 275 55 3AH5 283-2 2000 275 80 3AH5 283-4 2500 275 80 3AH5 283-6 210 55 2500 210 80 3AH5 274-6 1250 275 55 3AH5 284-2 2500 275 80 3AH5 284-6 275 80 350 85 1250 1250 63 40 63 2000 1 Ur . 2. U . 3. Ud . 4. Isc . 5. . tk . 6. Ir . 7. . Ima . 8. . 9. 1) . 10. ( , . . 6/1) 11. . 5 3AH5 272-1 2000 1250 50 4 3AH5 205-2 1250 1250 40 3AH5 204-1 7 3 3AH5 273-2 3AH5 274-2 3AH5 322-2 3AH5 312-2 275 80 350 85 1 3AH5 314-2 3AH5 324-2 350 95 3AH5 314-4 1 2 Rated voltage Ur in kV Rated lightning impulse withstand voltage Up in kV 3 Rated power frequency withstand voltage Ud in kV 4 5 6 7 8 9 10 Rated short-circuit breaking current Isc in kA Rated short-circuit duration tk in s Rated normal current Ir in kA Rated short-circuit making current Ima in kA Pole centre distance in mm Weight1) in kg Electrical endurance (load characteristics number, see Fig. 6/1) 11 Type designation .2/5 35 Fig. 2/5 Electrical data for 3AH5 vacuum circuit-breakers 1) ; 10 . 1) Basic version; the weight can be up to 10 kg higher depending on the equipment level 9989-921-0A 2004-06-01 2-7 2.7 2.7 Operating times 3 Closing time with stored energy mechanism Spring charging time Opening time (M1) /s < 10 1- 1st shunt release / ms < 65 2- 2st shunt release / ms < 50 Arcing time Break time / ms < 15 1- 1st shunt release / ms < 80 2- 2st shunt release / ms < 65 Dead time - Close-open-time / ms 300 1- 1st shunt release / ms <75 2- 2st shunt release / ms <60 Synchronizing error between the poles / ms <2 Minimum pulse duration Closing solenoid (Y9) / ms 45 Shunt release (Y1) / ms 40 3 110 Supplementary release 3AX 110 (Y2) / ms 20 (Y4) / ms 20 (Y6) / ms 20 (Y7) / ms 20 / ms 10 .2/6 2-8 / ms < 75 min. pulse duration of breaker signal Fig. 2/6 Operating times 9989-921-0A 2004-06-01 ( ) = ( ) - . Closing time = the interval of time between the initiation of the closing operation and the instant when the contact touch in all poles. ( ) = ( ) . Opening time = the interval of time between the initiation of the opening operation and the instant when the contacts separate in all poles. = . Arcing time = the interval of time between the instant of the first initiation of an arc and the instant of final arc extinction in all poles. = ( ) - (= + ). Break time = the interval of time between the initiation of the opening operation and the instant of final arc extinction in thelast circuit-breaker pole extinguished (= opening time + arcing time). - = - - , . Close-open time = the interval of time (in a make-break operating cycle) between the instant when the contacts touch in the first pole in the closing process and the instant when the arcing contacts separate in all poles in the subsequent opening process. = . Deadtime = The interval of time between final arc extinction in all poles in the opening operation and the first re-establishment of current in any pole in the subsequent closing operation. 2.8 2.8 (S1) 3SV92 Auxiliary switch (S1) 3SV92 : 2, 6 12 . Three versions of the auxiliary switch can be supplied, with 2, 6 or 12 NO and NC contacts. : AC/DC 250 Rated insulation voltage :AC/DC 250 V : VDE 0110 Insulation class :C to DIN VDE 0110 : 10 Current :10 A : 50 Making capacity :50 A 9989-921-0A 2004-06-01 2-9 4 U (V) (A) 230 AC 10 10 24 DC 10 10 48 DC 10 9 60 DC 9 7 110 DC 5 4 220 DC 2,5 2 Breaking capacity (A) Voltage up to U (V) Resistive load Inductive load 230 AC 10 10 24 DC 10 10 48 DC 10 9 60 DC 9 7 110 DC 5 4 220 DC 2,5 2 .2/7 3SV92 Fig. 2/7 Breaking capacity of 3SV92 auxiliary switch 2.9 2.9 (Y9) 3AY1510 ( ) Closing solenoid (Y9) 3AY1510 (additional feature) , . , , . , . - 15 % + 10 % - . - 3 1525-1F. The closing solenoid unlatches the charged closing spring and thus closes the circuit-breaker electrically. It is available for both AC and DC operation. The closing solenoid is not designed for continuous operation and it is automatically de-energized internally. The supply vol-tage of the closing solenoid may deviate from the rated value by - 15 % to + 10 %. In operation with AC voltage, a rectifier module 3AX 1525-1F is installed in the circuit-breaker. 140 / Power consumption approx. 140 W / VA 2-10 9989-921-0A 2004-06-01 2.10 (Y1) 3AY1510 2.10 Shunt release (Y1) 3AY1510 . Y1 , . , . - 30 % + 10 %, - 15 % + 10 % . 31525-1F. The shunt release is used as standard in the basic circuit-breaker version. With this design, the electrically supplied tripping pulse is passed to the "Open" latching mechanism by means of a direct-action solenoid armature and the circuit-breaker is thus opened. This opening solenoid is not designed for continuous operation and it is automatically de-energized internally. The supply voltage of the shunt release may deviate from the rated value by - 30 % to + 10 % with DC voltage, by - 15 % to + 10 % with AC voltage. In operation with AC voltage, a rectifier module 3AX1525-1F is installed in the circuit-breaker. 140 / Power consumption approx. 140 W / VA 2.11 (Y2) 3A1101 ( ) 2.11 Shunt release (Y2) 3AX1101(additional feature) 3A1101 , . , . , . The 3AX1101 shunt release is fitted if more than one shunt release is required. With its design, the electrical opening command is transferred in boosted form to the Open" latching mechanism via a solenoid armature through unlatching of a energy store and thus the circuit-breaker is opened. This opening solenoid is not designed for continuous operation and it is automatically de-energized internally. 60 /. Power consumption approx. 60 W / VA 2.12 2.12 (Y7) 3A1103 ( ) , , . , . 9989-921-0A 2004-06-01 Undervoltage release (Y7) 3AX1103 (additional feature) Undervoltage releases consist of a stored-energy mechanism, an unlatching mechanism and an electromagnet system which is connected continuously to the supply when the circuit-breaker is in the close state. If this voltage drops to below a certain value the unlatching mechanism is released and opening of the circuit-breaker is thus initiated via the stored-energy mechanism. 2-11 , . ( , . 4/2 - . 4/5), 1 . The deliberate tripping of the undervoltage release generally takes place via an NC contact in the tripping circuit. But it can also be carried out via an NO contact by short-circuiting of the magnet coil. With this type of tripping, the short-circuit current is limited by the built-in resistors (see circuit diagram Fig. 4/2 to Fig. 4/5), but make sure that short-circuiting of the solenoid does not last for longer than 1 minute. . . Undervoltage releases can also be connected to voltage transformers. When the operating voltage drops to impermissibly low levels, the circuit-breaker is tripped automatically. 13 15 Power consumption approx. 13 W or 15 VA 2.13 2.13 (Y4) 3A1102 ( ) CT-Operated release (Y4) 3AX1102 (additional feature) , . (90 % ) . , . CT-operated releases consist of a stored-energy mechanism, an unlatching mechanism and an electromagnet system. When the tripping current is exceeded (90 % of the CT-operated release rated current) the unlatching device of the stored-energy mechanism is released and thus opening of the circuit-breaker is initiated. In addition to the primary current transformers, matching transformers are required for application of the CT-operated releases. 0,5 1 6 - 90 % . Power consumption for releases with 0.5 A and 1 A rated tripping current = approx. 6 VA at - 90 % of the release rated current and with open armature. 2.14 2.14 (Y6) 3A1104 ( , 0,1 *; ) 3A1104 ( 7SJ41 ) ( ) 2-12 CT-operated release (Y6) 3AX1104 (low energy release 0,1 Ws additional feature) In connection with a solid-state release (7SJ41 overcurrent time protection or similar) and low-power primary current transformers (window-type transformers), it is possible with the 3AX1104 to create a CT-operated release without additional supply voltage. 9989-921-0A 2004-06-01 . 3A 1104 3A 1101/1102. 0,1 *, , . 2.15 ( V1 V3) 31526 The 3AX 1104 is of similar design as the 3AX 1101/1102 releases. With its coil data and its low energy requirement of 0.1 Ws, its designed to be directly actuated by a release impulse provided by a capacitor of the above-mentionend electronic release systems. 2.15 Varistor module (V1 to V3) 3AX1526 , . (, - , ) DC 60 DC 220 . The disconnection of inductive loads in DC circuits may cause switching overvoltages which pose a risk to electronic control units. In order to prevent this, the inductances of the circuit - breaker mechanism (motor, closing solenoid, shunt release and auxiliary contactor) are connected to varistors (with DC operation voltages of 60 V to 220 V DC). 2.16 2.16 , (S6 S7) ( ) Breaker tripping signal, cut-out switches (S6 and S7) (additional feature) S6 . . S7 . When the vacuum circuit-breaker is tripped by means of a release, the position switch S6 briefly makes contact. This contact making can be used for signalling. In the event of intentional mechanical tripping, the cut-out switch S7 prevents this contact from being made. 2.17 2.17 ( ) , 35 . 9989-921-0A 2004-06-01 Mechanical interlocking (additional feature with stored-energy mechanism) The stored-energy mechanisms of the 3AH5 circuit-breakers can be equipped with a mechanical interlocking facility to interlock breaker trucks, withdrawable breaker parts or disconnectors in a certain position. 2-13 , . A sensing component provided by the customer senses the switch position of the circuit-breaker and in this way prevents mechanical and electrical closing of the circuit-breaker when the circuit-breaker is open. , . . 2/8 The sensing component must be designed in such a way that is not possible to operate the disconnector, withdrawable part or truck when the circuit-breaker is closed. See Fig. 2/8 for the sensing scope. h) 1.5 ... 2 63. c) b) max. 30 60. a) (11) g) f) e) d) 15 a) b) c) d) e) f) g) h) 60. 63. a) max. stroke b) Internal circuit-breaker interlocking set by moving in the longitudinal hole c) Circuit-breaker opened d) Circuit-breaker closed e) Stroke of system-side sensing section f) Initial position g) Sensing position h) Electrical and mechanical closing interlock in sensing position .2/8 Fig. 2/8 Sensing stroke 2.18 2.18 60. Operating mechanism housing 63. Breaker shaft Dimensions and weights . . The dimensions of the vacuum circuit-breaker are shown in the relevant drawings, which can be ordered through your Siemens office. , . 2/5, . The weight can be found on the breaker rating plate, in Fig. 2/5 or in the relevant drawing. 2-14 9989-921-0A 2004-06-01 3 3 3.1 3.1 (60.), 3 (30.), (16.) , (39.5). (60.) , . (60.) (60.1), . . 16. Description Construction The vacuum circuit-breaker consists of the mechanism housing (60.), the 3-pole assemblies with vacuum interrupters (30.), cast-resin post insulators (16.), struts and of the operating rods (39.5). The mechanism housing (60.) accommodates all electrical and mechanical elements required for opening and closing the vacuum circuit-breaker. The mechanism housing (60.) has a detachable cover (60.1) which has cut-outs for the actuating and indicating devices. Depending on the equipment level of the circuit-breaker, some of these cut-outs are not used and are in this case sealed with blanking plugs. 50.1 60. 53. 60.1 51. 54. 30. 55. 58. 00000 39.5 59. 53. 54. . 55. 58. 59. 60. 60.1 16. 30. 39.5 50.1 51. Post insulator Vacuum interrupter Operating rod Opening for hand crank Rating plate 53. 54. 55. 58. 59. 60. 60.1 "CLOSE" pushbutton "OPEN" pushbutton Spring state indicator Operating cycle counter "CLOSED/OPEN" indicator Mechanism housing Cover .3/1 35 Fig. 3/1 3AH5 vacuum circuit - breaker 16. 30. 39.5 50.1 51. 9989-921-0A 2004-06-01 60.1 3-1 . 3/2 35 . 3/2b . Fig. 3/2a depicts the mechanism housing of the 3AH5 vacuum circuit-breaker, as a snap-action mechanism equipped with the basic equipment and Fig. 3/2b stored-energy mechanism equipped with full equipment; it also shows the layout of the full individual mechanism subassemblies in the mechanism housing 68.7.1 50.2 68. 50.2 68. 62. 62. 53. 50.4.1 54. 54. 58. 58. 99950 99950 54.1 54.2 55. 54.1 53.1 a) b) 50.2 50.4.1 53. . 53.1 Y9 54. . 54.1 54.2 55. 58. 62. 68. S1 68.7.1 0 50.2 Gearbox 50.4.1Position switch 53. Pushbutton "CLOSED" 53.1 Closing solenoid Y9 54. Pushbutton "OPEN" 54.1 1st shunt release 54.2 2nd shunt release 55. Spring state indicator 58. Operating cycle counter 62. Closing spring 68. Auxiliary switch S1 68.7.1Low-voltage plug connector X0 .3/2 a) b) Fig. 3/2 Mechanism housing without cover a) basic equipment b) full equipment 3.2 3.2 35 . 3/1. - (31.) . - (36.) (36.1) (35.). (34.) - (32.) (31.3) . 3-2 Vacuum interrupters The basic construction of the vacuum interrupters for the 3AH5 vacuum circuit-breaker is shown in the sectional view in Fig. 3/1.The fixed contact piece (31.) is connected directly to the housing. The moving contact piece (36.) is fixed to the terminal bolt (36.1) and is located centrally in the guide (35.). The metal bellows (34.) together with insulators (32.) made of high alumina ceramics and the end flanges (31.3) form the vacuum-proof interrupter housing. 9989-921-0A 2004-06-01 32. 31. 36. 34. 31.3 35. 36.1 31. 31.3 32. 34. 35. 36. 36.1 - - 31. 31.3 32. 34. 35. 36. 36.1 Fixed contact piece End flanges Insulators Metal bellows Guide Moving contact piece Terminal bolt .3/3 Fig. 3/3 Vacuum interrupter 35 . 08.01.1987 ( , 144), 8, III, 5, ( ), VDE/IEC. The vacuum interrupters fitted in the 3AH5 vacuum circuit-breakers are type-approved in accordance with the X-ray regulations of the Federal Republic of Germany. They conform to the requirements of the X-ray regulations of January 8, 1987 (Federal Law Gazette Page 144) 8 and Annex III Section 5 up to respective rated short-time AC voltage stipulated in accordance with VDE/IEC (rated power frequency withstand voltage). 9989-921-0A 2004-06-01 3-3 3.3 3.3 Equipment 35 : The basic version of the 3AH5 vacuum circuit-breaker comprises: - , 1 , , 2 S+2 , 60 V DC. - , 1 , , 2 S+2 , 60 V DC. - , , 1 , , 6 S+6 , 24- , 60 V DC. - Manually operated snap-action mechanism for closing, closing solenoid, operating cycle counter, auxiliary switch 2 NO /2 NC, varistor circuit with S 60 V DC 35 : Each 3AH5 vacuum circuit-breaker can be equipped with the following supplementary devices: - 6 S/6 (S1) - 12 S/12 - (S4) - (S6, S7) - 3 1101 (Y2)1) - 3 1102 (Y4)1) - 3 1103 (Y7)1) - 3 1104 (Y6)1) - - 24- 24- - 64- 64- - Auxiliary switch 6 NO/6 NC (S1) - Auxiliary switch 12 NO/12 NC (S1) - Position switch for signalling "Closing spring charged" (S4) - Breaker tripping signal, cut-out switch (S6, S7) - Shunt release 3AX 1101 (Y2)1) - Current transformer-operated release 3AX 1102 (Y4)1) - Undervoltage release 3AX 1103 (Y7)1) , . The permissible combinations of supplementary equipment and special versions are stated in relevant valid selection and order data catalog. 1) (Y1) 35 311 ... . 1) The 3AH5 vacuum circuit-breaker can be fitted with a maximum of 1 release of type 3AX 11... in addition to or instead of the standard shunt release (Y1). 3-4 - Manually operated stored-energy mechanism for closing, closing solenoid, operating cycle counter, auxiliary switch 2NO/2NC, varistor circuit with S 60 V DC - Motor operating stored-energy mechanism for closing, closing solenoid, operating cycle counter, auxiliary switch 6 NO/6 NC, 24-way plug connector, varistor circuit with S 60 V DC - Current transformer-operated release 3AX 1104 (Y6)1) - Mechanical interlock - Wiring of the electrical equipment to 24-pole terminal strip or 24-pole connector. - Wiring of the electrical equipment to 64-pole terminal strip or 64-pole connector. 9989-921-0A 2004-06-01 4 4.1 4 4.1 Installation Installing in cubicle or on truck . . The vacuum circuit-breaker is installed perpendicular to the vacuum interrupters. Please contact your local Siemens agency about other installation positions. 35 . . ( ). , . The 3AH5 vacuum circuit-breakers are supplied in the open (Off) state with the closing spring discharged. Before installing the 3AH5 V-breaker, remove the transport devices (skids and spacers). Mount phase barriers supplied loose with the breakers in accordance with the drawings supplied. 35 . Before installing the 3AH5 vacuum circuit-breaker in a cubicle or a truck check its rating plate data (to avoid confusion) and compare the rated voltage indicated in the delivery documents with the power supply voltage available at the site. (Y7) 3 1103 ( ). On the vacuum circuit-breaker with undervoltage release (Y7) 3AX 1103, the arresting screw of the hammer must be moved from position A to B (see instruction card for release or note card in the mechanism housing of vacuum circuit-breaker). (14.1) (14.2) 10 () (b) (. 4/1). 10 ( ) 12 () 8.8, . On the 2 traverses (14.1) and (14.2) and on the mechanism housing has, there are a total of 10 fixing holes (a) and (b) to suit the various types of installation (Fig. 4/1). Use M10 (mechanism housing) and M12 (traverses) fixing bolts of strength Class 8.8, making reference to the mandatory dimension drawings. . The rack or frame must be adapted to the operating conditions and have adequate load bearing capacity and stability. 9989-921-0A 2004-06-01 4-1 70. 14.1 b b a a a a a a 14.2 00000 b 14.1 14.2 70. b b 12 10 12 14.1 14.2 70. a b Traverse above Traverse below Earthing bolt M12 Fixing hole for screws M10 Fixing hole for screws M12 .4/1 35 Fig. 4/1 Means of fixing 3AH5 vacuum circuit-breaker 4.2 4.2 Flat bar connection , . Prior to fitting the conductors fix them so as to ensure smooth contact with their connecting parts and with the holes in full alignment. , . Rub the contact faces to be bolted together with criss-crossing strokes using a wire brush until bright metal shows and wipe then with a clean rag. 4-2 9989-921-0A 2004-06-01 Caution , . Copper-sprayed and spray silver-plated surfaces should be cleaned with a rag and not rubbed (brushed). (, ) . Differing contact materials (AI/CU) must not be worked with the same cleaning tool. (, Shell 8420) . Thinly grease the bright contact faces with acid-free Vaseline (e.g. Shell Vaseline 8420) or equivalent anti-corrosion agent and bolt them together immediately. . Silver-plated parts must not be bolted together with aluminium bars. 12 - 8.8 - . Use the appropriate M12 nuts and bolts of strength class 8.8 and corresponding spring elements and plain washers. (70 ) . When tightening the terminal screws, counteract the torque (70 Nm) by resisting it with a suitable spanner or socket wrench. 4.3 4.3 Control leads 1,5 2. 6,3 . . 4/2 - . 4/5. We recommend the use of a control lead with a nominal sectional area of 1.5 mm2. The electrical components used are designed for connecting 6.3 tab connectors. Wiring must be carried out in accordance with equipment plan examples in Fig. 4/2 to Fig. 4/5. 24/ 64- , 2,5 2. , . 4/2 - . 4/5. If the breaker is equipped as an additional feature with a 24-/ 64-pole low voltage plug connector or a terminal strip, the external for control leads with a nominal sectional area of up to 2.5 mm2 is suitable. The wiring and circuitry of the vacuum circuit-breakers depend on the particular version and level eqipment; refer to the equipment plan examples in Fig. 4/2 to Fig. 4/5. 4.4 4.4 12 (70., . 4/1) , . 9989-921-0A 2004-06-01 Earthing Connect the vacuum circuit-breaker to the appropriate high voltage protective earth by means of the suitable marked M12 (70., Fig. 4/1) terminal on the top of the mechanism housing using flat copper, copper cable or hot-galvanized steel strip. 4-3 , , . , (DIN 6798). If the vacuum circuit-breaker and mechanism housing are installed in an earthed metal rack so that firm electrical contact is established, the mechanism housing need not to be earthed separately. When installing the breaker externally, toothed serrated washers (DIN 6798) must be placed under the bolt heads. 4.5 4.5 ; . . 4/2 - . 4/5 . Wiring diagrams Wiring diagrams includes all posible circuit arrangements; selection dependend on order of circuit breaker. Fig. 4/2 to Fig. 4/5 illustrate non-committal examples for vacuum circuit-breakers. 1) -S21 21 -S21 1) 21 22 22 A1 A1 M M 02 -V1 -V1 1 U U 2 22 -S22 21 a) -V4 4 02 A1 -Y9 -S22 3 A1 -Y9 A2 A2 2 21 b) c) 3 -Y9 A2 22 1 A1 d) 4 e) 1) 60 1) If DC 60V .4/2 ( 1) 35 a) b) c) d) e) Fig. 4/2 Circuit diagram example (part 1) of 3AH5 vacuum circuit-breaker a) Motor operating mechanism b) Motor operating mechanism with varistor c) Closing d) Closing with varistor e) Closing with rectifier module 4-4 9989-921-0A 2004-06-01 2) 1) 2) -S3 2) -S3 22 21 21 -K1 -K1 21 13 22 31 14 -K1 -K1 32 -S3 22 21 13 22 31 14 21 -K1 -V1 3 -K1 U 32 4 A1 A1 -K1 -Y9 A2 A1 -Y9 A2 -V4 1 b) 13 22 31 14 32 A1 -K1 -Y9 A2 A1 -K1 A2 2 a) 21 3 A1 A2 22 A2 4 c) 1) 60 2) (-1) 1) If DC 60V 2) Only in combination with motor (-M1) .4/3 ( 2) 35 a) b) c) Fig. 4/3 Circuit diagram example (part 2) of 3AH5 vacuum circuit-breaker a) Closing and anti-pumping device b) Closing and anti-pumping device with varistor 9989-921-0A 2004-06-01 c) Closing and anti-pumping device with rectifier module 4-5 1) -X0 4 -X0 4 -V1 -X0 4 -X0 19 1 U -V5 2 A1 -Y1 A1 -Y1 A2 3 A1 -Y1 A2 -Y2 A2 A2 4 a) 1 A1 b) c) 2 d) 1) 60 1) If DC 60V .4/4 ( 3) 35 a) 1- b) 1- c) 1- d) 2- ( ) Fig. 4/4 Circuit diagram example (part 3) of 3AH5 vacuum circuit-breaker a) 1st shunt release b) 1st shunt release with varistor c) 1st shunt release with rectifier 4-6 d) 2nd shunt release (rectifier and varistor are integrated) 9989-921-0A 2004-06-01 -S7 21 22 -Y7 01 U< 02 A1 -Y6 A1 -Y6 A2 -S4 A2 13 21 14 22 -S6 13 14 1 -R1 2 a) b) .4/5 ( 4) 35 a) ( ) b) c) 1- d) : e) 9989-921-0A 2004-06-01 c) d) e) Fig. 4/5 Circuit diagram example (part 4) of 3AH5 vacuum circuit-breaker a) Undervoltage release (possibly rectifier and varistor are integrated) b) Low energy release c) 1st C.T. operated release d) Signal: spring charged e) Switch tripped signal 4-7 4-8 This page is left intentionally blank. 9989-921-0A 2004-06-01 5 5 Operation DANGER ! High voltage! . Touching of live parts will result in death or severe personal injury. , , , . This equipment shall be operated only by qualified personnel after becoming thoroughly familiar with the respective instruction manual and in particular all safety instructions. WARNING , . This equipment contains hazardous voltages and mechanical parts which move at high speed and may be controlled remotely. : In particular: . . . Do not remove the cover of the mechanim housing. Do not reach inside any openings in the operating mechanism. Do not touch pole assemblies and operating rods. . Non-observance of the safety instructions can result in severe personal injury or property damage. 9989-921-0A 2004-06-01 5-1 5.1 5.1 Commissioning : Prior to commissioning, check the V-breaker in accordance with the following points: 1. ( , . 6-2). 1. Clean the circuit-breaker as applicable (for details, refer to Cleaning", see page 6-2). 2. . 2. Check all fixing and terminal screws for tightness. 3. , , , . 3. Examine the circuit-breaker for any external damage, especially to the control leads, post insulators and vacuum interrupters. .5/1 35 Fig. 5/1 Closing the 3AH5 vacuum circuit-breaker 5-2 Caution - -. When the supply voltage is applied, the motor immediately recharges the closing spring. - . The V-breaker may be operated only with the original hand crank, in order to avoid injuries that may occur if the motor (if fitted as an additional feature) starts up suddenly. 9989-921-0A 2004-06-01 4. ( 20 ), (. . 5/1). ( ) ( (55., . 3/1)) (53., . 3/1). (54., . 3/1) . . 4. To test switching with the manually operated snapaction mechanism, charge the closing spring using the hand crank (approx. 20 rotations) until the breakers closes (see Fig. 5/1). When the stored-energy mechanism is fitted (additonal feature), press the "CLOSE" pushbutton (53., Fig. 3/1) after the closing spring is charged (the symbol "Closing spring charged" appears in the indicator opening (55., Fig. 3/1). Once the circuit-breaker has closed, open it again by pressing the "OPEN" pushbutton (54., Fig. 3/1). Check the mechanical and electrical state indication. 35 (Y7) 3 1103 ( 35). On the 3AH5 V-breaker with undervoltage release (Y7) 3AX 1103, the arresting screw of the hammer must be moved from position A to B (see instruction card in the mechanism housing of the 3AH5 vacuum circuit-breaker). 5. . , . 5. With circuit-breakers equipped with a motor-operated, stored-energy mechanism, the motor starts up automatically when the supply voltage is applied and charges the closing spring. Close and open the circuit-breaker as described above. 6. (S1) , - 35. 6. Check the auxiliary switch (S1) and if applicable the position switches electrically in both end positions by actuating the 3AH5 vacuum breaker. 7. . 7. Also check (by electrical actuation) whether the shunt closing and opening releases fitted operate properly. 35, - . Once correct functioning of the 3AH5 V-breaker has been ascertained, it can be put into service. 5.2 5.2 Closing 5.2.1 5.2.1 Manually operated snap-action , . . . 9989-921-0A 2004-06-01 The closing spring of the circuit-breaker is charged by means of the hand crank supplied until the circuit-breaker closes. It is then possible to trip the breaker either manually or electrically. Breakers equipped with a snap-action mechanism are not suitable for auto-reclosing. 5-3 5.2.2 ( ) 5.2.2 Manually operated stored-energy mechanism (additional feature) , , . - . . The closing spring is charged by means of the hand crank supplied until the "spring charged" indication appears and an audible clicking noise indicates that the closing pawl has latched. It is then possible to close the breaker either manually or electrically. After closing, the spring can be recharged manually. 5.2.3 5.2.3 (1) ( ) Motor operated stored-energy mechanism (M1) (additional feature) . , . , , . . The stored-energy mechanism of the circuit-breakers is also available with a motor-operated mechanism, including shunt closing release, instead of the manually operated mechanism. The motor-operated mechanism starts operating immediately once the power supply has been connected and the closing spring is discharged and is automatically de-energized internally after charging. Manual operation as described under the chapter above can still be performed at any time. A hand crank has to be ordered separately. 380 . 400 . , . . 5/2 ( ). The maximum DC power input is 380 W (approx.). The maximum AC power input is 400 VA (approx.). During part of the short spring charging time, the motors operate in the overload range. The recommended ratings for motion protection devices are shown in Fig. 5/2 (the protection devices are not supplied with the vacuum circuit-breakers and must be ordered separately). 3 U (V) Rated supply voltage U (V) 24 DC 48 DC 60 DC 110 DC/AC 50 / 60 50 / 60 Hz 220DC / 230AC 50 / 60 50 / 60 Hz 8 6 4 2 1,6 Recommended rated cur rent I (A) of protection I (A) device .5/2 Fig. 5/2 Rated currents of motor protection devices G. To protect the motors, we recommend an MCB with G characteristics. - 15 % + 10 % . The supply voltage of the motor-operated mechanism may deviate from the rated value by - 15 % to + 10 %. 5-4 9989-921-0A 2004-06-01 6 6 Maintenance DANGER ! High voltage! , . Non-observance can result in death, severe personal injury or substantial property damage. , . . Maintenance, repair and subsequent conversion work may be carried out only by specially trained personnel in accordance with the operating instructions and/or special conversion instructions. Training and information sessions for personnel can be provided by the competent Siemens department. -, ., 5 DIN VDE 0105, 100, 6.2. , ( , ). Before starting any work on vacuum circuit-breakers, reference must be made to the local safety regulations for high-voltage switchgear, e. g. the five safety rules (DIN VDE 0105 Part 100, Item 6.2). Switch off the power supply and then close and open the vacuum circuit-breaker by hand (V-breaker in open state "closing spring charged" indication not visible), to ensure that the closing spring is discharged. 6.1 35 IEC 60694 VDE 0670, 1000. , (, , , ). 9989-921-0A 2004-06-01 6.1 Servicing Under normal operating conditions, the 3AH5 vacuum circuit-breaker is maintenance-free in accordance with IEC 60694 and VDE 0670 Part 1000. We recommend nonetheless a regular visual inspection to check for soiling (e. g. dust, saline fog, fungus etc.) of the circuit-breaker. 6-1 6.2 Cleaning WARNING . Non-observance can result in death or serious personal injury. , . Windings and terminals must not be touched if the power supply has not been disconnected. CAUTION . Non-observance can result in personal injury. , , All springs of the operating mechanism must be discharged and the vacuum circuit-breaker be brought into the open state, "Closing spring discharged" indication visible. , . - . , (, Pril). 6-2 6.2 To assure the insulating capacity, it is necessary that the insulating components are clean. Insulating components and external breaker parts must be wiped with a damp cloth. Use only warm water with the addition of a mild liquid household detergent as cleaning agent. 9989-921-0A 2004-06-01 6.3 6.3 Abnormal operating conditions 35 , ( , . .), . : If the 3AH5 vacuum circuit-breaker is used in abnormally unfavourable indoor conditions (e. g. frequent heavy condensation, dust-ridden air etc.), we recommend regular cleaning of the breaker external components and, if necessary, renewal of the anti-corrosion protection. Only the following products may be used for the respective working parts of the VCB. , : : 32 Bearings, sliding surfaces: Isoflex Topas L 32 : - Kluber - Lubrication KG : . 7 Geisenhausener Strae 7 70 10 47 P.O.Box 70 10 47 81310 D-81379 Munich Germany S1: : 32 : Bearings inaccessible to grease and bearings of the auxiliary switch S1: SHELL Tellus Oil 32 SHELL Direct GmbH . 71 Suhrenkamp 71 D-22335 D - 22335 Hamburg Germany ! Joints and bearings which cannot be dismantled must not be treated with a cleaning agent prior to reapplication of anticorrosives. . After renewal of the anti-corrosion protection, several mechanical test-switching operations should be performed on the vacuum circuit-breaker. : Lubricants (for special conditions) are available from the Siemens agency responsible: Order No. 180 . - 32 3AX11 33-3A 50 . 32 180 g Kluber-Isoflex Topas L32 and 50 g SHELL Tellus Oil 32 3AX11 33-3A 180 . - 32 3AX11 33-3H 180 g Kluber -Isoflex Topas L32 3AX11 33-3H 50 . 32 3AX11 33-2G 50 g SHELL Tellus Oil 32 3AX11 33-2G 1 . 32 3AX11 33-2D 1 kg SHELL Tellus Oil 32 3AX11 33-2D 1 . - 32 3AX11 33-3E 1 kg Kluber -Isoflex Topas L32 3AX11 33-3E 9989-921-0A 2004-06-01 6-3 6.4 6.4 Checking the contact system . / . . In the course of the service life of an interrupter, the contact travel may out of true. This is caused by compression and/or erosion. We have taken measures in design to ensure that such minor changes in the travel do not affect the switching perfomance of our circuit-breakers. 6.5 6.5 Checking the vacuum , - - , . . . Such a check should be made if there is any risk of an interrupter having developed a leak. Busbar and cable connections must be split. The check is performed with an HV test unit. 6.6 6.6 Service life 10.000 . . , . Under normal operating conditions, the circuit-breakers are designed for 10.000 operating cycles. Due to the optimization of the service life of all parts, the level of reliability falls if the breakers are used for a greater number of opening cycles. The manufacturer can therefore not recommend continued use of the circuit-breakers, even if certain subassemblies are renewed. . 6/1. . . The permissible number of electrical operating cycles as a function of the breaking current is shown in Fig. 6/1. When this permissible maximum has been attained, the complete pole assemblies must be renewed. Detailed instructions are supplied with the replacement pole assemblies. , ( ). When ordering replacement pole assemblies, state the circuit-breaker type, design code and serial number (see name plate) 6-4 9989-921-0A 2004-06-01 . n 20 000 n 10 000 5 000 50 000 20 000 10 000 2 000 7 1 000 5 000 5 2 000 500 1 1 000 200 500 100 80 50 35 25 20 10 0,5 100 000 6 200 8 2 100 50 1 2 5 25 10 kA 20 31,5 50 25 20 10 0,5 1 Ia 2 5 10 kA 50 13,1 20 Ia n 20 000 10 000 3 5 000 2 000 4 1 000 500 200 100 80 25 20 10 0,5 1 2 5 10 20 kA 16 50 Ia . 2/5 The figures allocated to the characteristic curves apply to the breaker types in accor-dance with Fig. 2/5. .6/1 n la Fig. 6/1 Permissible number of operating cycles n as a function of breaking current Ia 9989-921-0A 2004-06-01 6-5 6.7 6.7 Accessories and spare parts . - , : Owing to the fact that all parts of this breaker type have been optimized to last the normal service life, it is no need to recommend any particular spare parts for keeping in stock. Nevertheless, if you require further spare parts, state the following data when ordering them: - , 35 ( ). - , , , , ( ). - Type designation, design code and serial number of the 3AH5 vacuum circuit-breaker (see rating plate). 6-6 - For components not listed as spare parts, state the designation and part number, making reference to illustrations in these Operating instructions or to a photograph or sketch as applicable. Alternatively, a sample may be submitted. 9989-921-0A 2004-06-01 7 7 Disposal note . . . . : The switching equipment is environment-friendly.Recycling should give priority to the disposal of the materials.The switching equipment can be disposed of in an environment-friendly manner as stipulated by the current legislation.It is to be treated as mixed scrap.The switching equipment consist of the following materials: , , , , , , , , . Steel, copper, aluminium, PTFE, cast resin im-pregnated fabric, glassfiber reinforced plastics and other plastics, rubber materials used for sealing purposes, ceramics, lubricants and oils. . , . . The equipment contains no hazardous materials as defined by law. Before disposal, make sure that all mineral or synthetic oils and greased have been removed from the equipment for separate disposal. The local customer service centers will be pleased to advise you on all matters concerning disposal. 9989-921-0A 2004-06-01 7-1 7-2 This page is left intentionally blank. 9989-921-0A 2004-06-01 8 8 Service , - , . , , , . . , . Thank you for placing your trust in us as a manufacturer of medium-voltage switchgear and components - and thus in our technology as a whole. We attach great importance to personal safety, system reliability, availability and service. Your suggestions enable us to keep on improving our products. Please do not hesitate to contact us. : http://www.siemens.com You can find your contact at the SIEMENS Regional Offices in your area and other Siemens addresses via the Internet under http://www.siemens.com. 7:30 17:00 / : In Germany we can be contacted Monday to Friday from 7:30 a.m. to 5:00 p.m. CET at the following addresses/tel. nos. concerning the topics specified: - (, ) : . : service@ptd.siemens.de - Service (maintenance, faults) via the Service Hotline E-Mail:services@ptd.siemens.de : +49 180 524 7000 Tel.+49 180 524 7000 : Fax +49 180 524 2471 +49 180 524 2471 - , : . : PTDMCSErlKomponenten@ptd.siemens.de - Technical Support for products and services via Sales and Marketing E-Mail: PTDMCSErlKomponenten@ptd.siemens.de : +49 9131 7 33678 Tel. +49 9131 7 33678 : Fax +49 9131 7 34654 +49 9131 7 34654 - (, ) : . : PTD.MC.Complaint@bln7.siemens.de - Customer Satisfaction (quality, complaints) via the Manufacturer Hotline E-Mail: PTD.MC.Complaint@bln7.siemens.de : +49 30 386 27777 Tel. +49 30 386 27777 : Fax +49 30 386 26006 +49 30 386 26006 - . 9989-921-0A 2004-06-01 Our aim is to provide you with prompt and expert support. 8-1 8-2 This page is left intentionally blank. 9989-921-0A 2004-06-01 9889-921-0A 2004-06-01 This page is left intentionally blank. Published by the Power Transmission and Distribution Group Schaltwerk Berlin 13623 13623 Berlin Federal Republic of Germany . Subject to change Siemens Aktiengesellschaft