Monitoring technique Undervoltage relay BA 9043, AA 9943 varimeter 0221539 * * * * * * * * * * * * BA 9043 According to IEC 255, EN 60 255, VDE 0435 part 303 3-phase For nominal voltage of 3 AC 100 / 57 to 690 / 400 V Measures arithmetic mean value Adjustable operate and release value For 3p3w or 3p4w systems BA 9043 optionally with adjustable time delay Closed circuit operation LED indicator for operation and state of contact Insensitive to harmonics Frequency up to 400 Hz Width 45 mm AA 9943 Function diagram Approvals and marking U operate value 0,4-0,6UN hysteresis Application Undervoltage detection in 3 phase systems 3 phases L1, L2, L3 t Indicators upper LED: (only BA 9043) lower LED: BA9043 11-14 BA9043/001 11-12 AA9943 on, when voltage connected on, when output contact activated Notes BA9043/002 11-14 BA9043/003 11-12 tv M6864_a In units with time delay the delay is only active at > 0,4 UN. At < 0,4 U N the relay switches without delay. tv Technical data Input Circuit diagram L1 L2 L3 11 21 L1 N L2 L3 Nominal voltage UN BA 9043, BA 9043/002 AA 9943: L1 L2 L3 11 21 11 21 12 14 22 24 L1 11 21 12 14 22 24 L2 12 14 22 24 N BA 9043, BA 9043/002 AA 9943 M7520 L3 12 14 22 24 BA 9043, BA 9043/002: BA 9043/001, BA 9043/003 AA 9943/001: M7521 BA 9043/001, BA9043/003 AA 9943/001 BA 9043/001, BA 9043/003: Max. overload BA 9043: AA 9943: Nominal consumption: Nominal frequency: Frequency range: Temperature influence: 3/N AC 100/57 V; 230/127 V; 400/230 V 415/240 V; 440/254 V; 500/290 V 50 ... 400 Hz 3 AC 50 / 60 Hz 400 / 690 V 3 AC 100 V; 230 V; 400 V; 415 V, 440 V; 500 V; 50 ... 400 Hz 3 AC 50 / 60 Hz 690 V 1,2 UN continuously 1,1 UN continuously AC 4 VA 50 ... 400 Hz 5% < 0,05 % / K Setting ranges Response value: Hysteresis: Setting accuracy: Switching delay t M: Time delay tv: All technical data in this list relate to the state at the moment of edition. We reserve the right for technical improvements and changes at any time. 1 0,85 ... 1,05 U N, infinite variable with upper potentiometer 0,75 ... 0,95 of operate value 10 % see diagram switching delay infinite variable from 0,5 ... 10 sec for BA 9043/002, BA 9043/003 Between 0,4 and 0,6 UN the contacts fall back according to the diagram without additional delay BA 9043, AA 9943 / 04.09.03 d Technical data Variants Output Switching capacity to AC 15 NO contact: NC contact: Electrical life to AC 15 at 3 A, AC 230 V: Short circuit strength max. fuse rating: Mechanical life: BA 9043 2 changeover contacts 1 changeover contact 2 changeover contacts 6 A; see diagramm Continuous current limit curve Housing: Vibration resistance: Climate resistance: Terminal designation: Wire connection: Wire fixing: Mounting: Weight BA 9043: AA 9943: IEC/EN 60 947-5-1 IEC/EN 60 947-5-1 IEC/EN 60 947-5-1 3 x 105 switching cycles 4 A gL IEC/EN 60 947-5-1 > 30 x 10 6 switching cycles 8 kV (air) 10 V/m 2 kV AA 9943: K 70-34 I (A) IEC 60 664-1 IEC/EN 61 000-4-2 IEC/EN 61 000-4-3 IEC/EN 61 000-4-4 1 kV IEC/EN 61 000-4-5 2 kV IEC/EN 61 000-4-5 10 V IEC/EN 61 000-4-6 Limit value class B EN 55 011 Housing: IP 40 IEC/EN 60 529 Terminals: IP 20 IEC/EN 60 529 Thermoplastic with V0 behaviour according to UL subject 94 Amplitude 0,35 mm IEC/EN 60 068-2-6 frequency 10 ... 55 Hz 20 / 060 / 04 IEC/EN 60 068-1 DIN EN 50 005 2 x 2,5 mm 2 solid or 2 x 1,5 mm2 stranded wire with sleeve DIN 46 228-1/-2/-3/-4 Flat terminals with self-lifting clamping piece IEC/EN 60 999-1 DIN rail IEC/EN 60 715 BA 9043/003: A 5 B 4 2 1 -20 0 M6865_a 20 40 60 ambient temperature T (C) Continuous current limit curve A = Devices mounted with 2 cm distance B = Devices mounted without distance F x off 2,0 1,8 x on 1,6 1,4 310 g 300 g 1,2 1,0 0 0,1 0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 1,0 1,1 1,2 t [s] M6866_a Diagram switching delay 45 x 73 x 132 mm 45 x 77 x 127 mm Switching delay tM: 50 ... 400 Hz 0039676 When the voltage changes fast on the measuring input, the arithmetic mean value can only adjust after a short delay. stock item 3/N AC 400 / 230 V 2 changeover contacts 45 mm Variants AA 9943/001: AA 9943/175: BA 9043/001: BA 9043/002: 6 3 Standard type BA 9043 3/N AC 400 / 230 V Article number: * for 3p4w systems * Nominal voltage UN: * Output: * Width: Cover Characteristics Continuous operation - 20 ... + 60C 4 kV / 2 3/N AC 400/230 V 50 ... 400 Hz Nominal frequency Nominal voltage Variant, if required Contact Type Accessories Dimensions Width x height x depth BA 9043: AA 9943: /_ _ _ 3 A / AC 230 V 1 A / AC 230 V General data Operating mode: Temperature range: Clearance and creepage distances overvoltage category / contamination level: EMC Electrostatic discharge: HF irradiation: Fast transients: Surge voltages between wires for power supply: between wire and ground: HF wire guided: Interference suppression: Degree of protection: /_ _ _ 3/N AC 400/230 V 50 ... 400 Hz Nominal frequency Nominal voltage Variant, if required Type AA 9943 .11 contact current Contacts BA 9043: AA 9943.11: AA 9943.12: Thermal current I th : Ordering example for Variants without neutral earth quake proof without neutral with neutral, adjustable time delay tv = 0,5 ... 10 sec without neutral, adjustable time delay tv = 0,5 ... 10 sec Example: F= U applied U setting U applied = 190 V U setting = 240 V according to diagram: tMon = approx. 800 ms tMoff = approx. 100 ms 2 F= 240 V 190 V = 1,26 Specification for tender for BA 9043 Undervoltage relay according to IEC 255, VDE 0435 for nominal voltage of 3 AC 100/57 to 500/290 V. Adjustable operate and release value, for 3p4w systems Width 45 mm Type BA 9043 Manufactured by E. DOLD & SOHNE KG Undervoltage relay according to IEC 255, VDE 0435 for nominal voltage of 3 AC 100/57 to 500/290 V. Adjustable operate and release value, for 3p4w systems, adjustable time delay up to 10 s. Width 45 mm Type BA 9043/002 Manufactured by E. DOLD & SOHNE KG Undervoltage relay according to IEC 255, VDE 0435 for nominal voltage of 3 AC 100/57 to 500/290 V. Adjustable operate and release value, for 3p3w systems Width 45 mm Type BA 9043/001 Manufactured by E. DOLD & SOHNE KG Undervoltage relay according to IEC 255, VDE 0435 for nominal voltage of 3 AC 100/57 to 500/290 V. Adjustable operate and release value, for 3p3w systems, adjustable time delay up to 10 s. Width 45 mm Type BA 9043/003 Manufactured by E. DOLD & SOHNE KG 3 E. DOLD & SOHNE KG * D-78114 Furtwangen e-mail dold-relays@t-online.de * internet http://www.dold.com * Postf. 1251 * Tel. +49 7723 654 0 * Telefax +49 7723 654 356 4