Mini Motor Contactor J7KNA 1
Mini Motor Contactor
J7KNA
Main contactor
• AC & DC operated
• Integrated auxiliary contacts
• Screw fixing and snap fitting (35 mm DIN-rail)
• Range from 4 to 5.5 kW (AC 3, 380/415V)
• 4 -main pole version (4 kW AC and DC coil)
• Auxiliary contacts suitable for electronic devices (DIN 19240)
• Finger proof (BGV A2)
Accessories
• 2 and 4 pole additional auxiliary contacts in different
configurations
• Mechanical interlock (in reversing contactor combination only)
• RC Suppressors
• Link modules for fuseless Load Feeders
• Insulated wiring systems (parallel, Star-delta combinations)
)
Approved Standards
Ordering Information
■Model Number Legend
1. Mini Motor Contactors
1) Mini Contactor
2) Rated Motor Current (AC3 400V)
09: 9A
12: 12A
3) Integrated auxiliary contact
10: 1 NC 0 NC
01: 0 NO 1NC
4: 4 main pole type (no aux contact)
4) R: Reversing Contactor
5) Coil voltage (AC operated)1)
24: AC24V 50/60Hz
48: AC48V 50Hz
60: AC60V 50Hz
110: AC110-115V 50Hz, AC120-125V 60Hz
180: AC180-210V 50Hz, AC200-240V 60Hz
230: AC220-230V 50Hz, AC240V 60Hz
240: AC230V-240V 50Hz
400: AC380-400V 50Hz, AC440V 60Hz
415: AC400-415V 50Hz
Coil voltage (DC operated)
24D: DC24V
48D: DC48V
60D: DC60V
110D: DC110V
24VS: DC24V with diode
48VS: DC48V with diode
110VS: DC110V with diode
125VS: DC125V with diode
2. Aux. Contact Modules for Mini Motor Contactors
1) Auxiliary Contact Modules
2) A: for mini motor contactor (DIN EN 50005)
AM: for mini motor contactor (DIN EN 50012)
3) Combination of NO/NC contacts
11: 1 NO 1 NC
02: 0 NO 2 NC
04: 0 NO 4 NC
22: 2 NO 2 NC
40: 4 NO 0 NC
4) for Reversing Contactors
v: left side
x: right side
3. Insulated wiring systems for motor contactors
1) Additional reference for LVSG
2) WKR: Wiring Kit Reverser
3) Version
4. Accessories for mini motor contactors/
contactor relays (RC suppressor units)
1) Additional reference for LVSG
2) D: J7KNA(-AR)
3) RC = RC suppressor unit
4) Voltage
Standard Standard Guide No (US,C)
UL VDE 0660 NLDX, NLDX7
ICE 947-5-1 EN 60947-5-1
1) See datasheet J7KN Motor Contactor for RC-suppressor units.
J7KNA-##-## #####
123 4
J73KN-##-##
123
J74-WKR-A
123
J74KN-D-RC##
1234
2Mini Motor Contactor J7KNA
■System overview
Mini Motor Contactors
AC Operated
DC Solenoid Operated
Auxiliary contact blocks with screw terminals for contactors J7KNA-09… and J7KNA-12…
Link modules for electric connection between MPCB and contactors
Ratings Rated Current Aux. Contacts Type Pack Weight
AC2, AC3 AC3 AC1
380V
400V
415V
kW
500V
kW
660V
690V
kW
400V
A
690V
ANONC
Suitable
Overload
Relay*1
*1) For details see datasheet J7TKN Thermal Overload Relay
Coil Voltage*2
24 24V 50/60Hz
230 220-230V 50Hz
*2) Other coil voltages see page 6
pcs. kg/pc.
3-pole, With Screw Terminals
4449201- J7TKN-A J7KNA-09-10-##### 10 0.16
5.5 5.5 5.5 12 20 1 - J7TKN-A J7KNA-12-10-##### 10 0.16
444920- 1J7TKN-A J7KNA-09-01-##### 10 0.16
5.5 5.5 5.5 12 20 - 1 J7TKN-A J7KNA-12-01-##### 10 0.16
4-pole, With Screw Terminals
444920- - J7TKN-A J7KNA-09-4-##### 10 0.19
Ratings Rated Current Aux. Contacts Type Pack Weight
AC2, AC3 AC3 AC1
380V
400V
415V
kW
500V
kW
660V
690V
kW
400V
A
690V
ANONC
Suitable
Overload
Relay*1
*1) For details see datasheet J7TKN Thermal Overload Relay
Coil voltage 24V DC 2,5W pcs. kg/pc.
3-pole, With Screw Terminals
4449201- J7TKN-A J7KNA-09-10-###D(-VS)*2
*2) with built-in coil suppressor (diode + zener diode)
10 0.19
5.5 5.5 5.5 12 20 1 - J7TKN-A J7KNA-12-10-###D(-VS)*2 10 0.19
444920- 1J7TKN-A J7KNA-09-01-###D(-VS)*2 10 0.19
5.5 5.5 5.5 12 20 - 1 J7TKN-A J7KNA-12-01-###D(-VS)*2 10 0.19
Contacts Rated Current Thermal Rated Current Type Pack Weight
NO NC
AC15
230V
A
400V
AApcs. kg/pc.
1 1 3210 J73KN-AM-11 10 0.04
- 2 3210 J73KN-AM-02 10 0.04
2 2 3210 J73KN-AM-22 10 0.04
Description Version
for contactors
For MPCB Type Pack
pcs
Weight
approx.
kg/pc
link module (electrical and
mechanical connection)
See datasheet J7MN Motor
Protection Circuit Breaker
J7KNA 09-…12 J7MN 12 / J7MN 25 J74MN-VK1 12-25 1 0.015
Mini Motor Contactor J7KNA 3
Suppressor units
Function For Contactors Voltages Partnumber
Typ e
RC-Unit snap on J7KNA(-AR) 12 - 48 V AC/DC
48 - 127 V AC/DC
110 - 250 V AC/DC
J74KN-D-RC24
J74KN-D-RC110
J74KN-D-RC230
4Mini Motor Contactor J7KNA
■System overview
Mini Motor Contactors
AC Operated
DC Solenoid Operated
( ) = VS-Version
Auxiliary contact blocks with screw terminals for contactors J7KNA-09… and J7KNA-12…
Wiring Diagrams Auxiliary Contact Blocks Contactor with Auxiliary Contact
Contacts suitable for Electronic
Circuits according to DIN 19240
for rated voltage 24V DC
(test ratings 17V DC, 5mA)
Mirror contacts
Block
Distinc. Number
according to DIN
EN 50012 Type NO NC
Distinc. Number
according to
DIN EN 50012 NO NC
3-pole, With Screw Terminals
10
J73KN-AM-11 1121 21Prefered combinations according
to DIN EN 50012
J73KN-AM-02 0212 12
J73KN-AM-22 2232 32
01
J73KN-A-11 11- 12
Contacts according to
DINEN50005
J73KN-A-02 02- 03
J73KN-A-40 40- 41
J73KN-A-22 22- 23
J73KN-A-04 04- 05
4-pole, With Screw Terminals
00
J73KN-A-11 11- 11
Contacts according to
DINEN50005
J73KN-A-02 02- 02
J73KN-A-40 40- 40
J73KN-A-22 22- 22
J73KN-A-04 04- 04
Wiring Diagrams Auxiliary Contact Blocks Contactor with Auxiliary Contact
Contacts suitable for Electronic
Circuits according to DIN 19240
for rated voltage 24V DC
(test ratings 17V DC, 5mA)
Mirror contacts
Block
Distinc. Number
according to DIN
EN 50012 Type NO NC
Distinc. Number
according to
DIN EN 50012 NO NC
3-pole, With Screw Terminals
10
J73KN-AM-11 1121 21Prefered combinations according
to DIN EN 50012
J73KN-AM-02 0212 12
J73KN-AM-22 2232 32
01
J73KN-A-11 11- 12
Contacts according to
DINEN50005
J73KN-A-02 02- 03
J73KN-A-40 40- 41
J73KN-A-22 22- 23
J73KN-A-04 04- 05
Wiring Diagrams Contacts suitable
for Electronic
Circuits accord-
ing to DIN 19240
for rated voltage
24V DC (test
ratings 17V DC,
5mA) Mirror
contacts
J73KN-AM-11 J73KN-AM-02 J73KN-AM-22 J73KN-A-11 J73KN-A-02 J73KN-A-40 J73KN-A-22 J73KN-A-04
1
2
3
4
5
6
7
8
A1
A2
1
2
3
4
5
6
13
14
A1
A2
1
2
3
4
5
6
21
22
A1
A2
Mini Motor Contactor J7KNA 5
■System overview
Mini Reversing Contactors, Mechanical Interlocked
AC Operated
DC Solenoid Operated
Auxiliary contact blocks with screw terminals for contactors J7KNA-09-01-R…(D) and
J7KNA-12-01-R…(D)
Insulated wiring systems for contactors J7KNA-09-01-R…(D) and J7KNA-12-01-R…(D)
Ratings Rated Current Aux. Contacts Type Pack Weight
AC2, AC3 AC3 AC1
380V
400V
415V
kW
500V
kW
660V
690V
kW
400V
A
690V
ANONC
Suitable
Overload
Relay*1
*1) For details see datasheet J7TKN Thermal Overload Relay
Coil Voltage*2
24 24V 50/60Hz
230 220-230V 50Hz
*2) Other coil voltages see page 6
pcs. kg/pc.
3-pole, With Screw Terminals
444920- 1J7TKN-A J7KNA-09-01-R-##### 10.32
5.5 5.5 5.5 12 20 - 1 J7TKN-A J7KNA-12-01-R-##### 10.32
Ratings Rated Current Aux. Contacts Type Pack Weight
AC2, AC3 AC3 AC1
380V
400V
415V
kW
500V
kW
660V
690V
kW
400V
A
690V
ANONC
Suitable
Overload
Relay*1
*1) For details see datasheet J7TKN Thermal Overload Relay
Coil voltage 24V DC 2,5W pcs. kg/pc.
3-pole, With Screw Terminals
444920- 1J7TKN-A J7KNA-09-01-R-###D(-VS)*2
*2) with built-in coil suppressor (diode + zener diode)
10.38
5.5 5.5 5.5 12 20 - 1 J7TKN-A J7KNA-12-01-R-###D(-VS)*2 10.38
Contacts Rated Current Thermal Rated Current Type Pack Weight
NO NC
AC15
230V
A
400V
AApcs. kg/pc.
11 3210 J73KN-AM-11V 10 0.04
11 3210 J73KN-AM-11X 10 0.04
Description Version
(A)
For contactors Type Pack
pcs
Reversing Starter
Connector with Coil
Connector for Mini
Reversing Contactors,
mechanical interlocked
16 J7KNA-09-01-R…(D) &
J7KNA-12-01-R…(D)
J74-WKR-A 1
6Mini Motor Contactor J7KNA
■System overview
Mini Motor Contactors
AC/DC solenoid operated
Auxiliary contact blocks with screw terminals for contactors J7KNA-09-01-R…(D) and
J7KNA-12-01-R…(D)
Specifications
■Coil Voltages
Standard voltages in bold type letters. Coil not exchangeable
Please see datasheet J7KN Motor Contactor for RC-suppressor
units.
Wiring Diagrams Auxiliary Contact Blocks suitable for
Contacts suitable for Electronic
Circuits according to DIN 19240
for rated voltage 24V DC
(test ratings 17V DC, 5mA)
Mirror contacts
left hand side right hand side
Distinc. Number
according to DIN
EN 50012
Contactor K1
Ty p e N O N C
Contactor K2
Type NO NC
3-pole, With Screw Terminals
01
J73KN-AM-11V 11J73KN-AM-11X 11
Wiring Diagrams Contacts suitable for Electronic
Circuits according to DIN 19240
for rated voltage 24V DC
(test ratings 17V DC, 5mA)
Mirror contacts
J73KN-AM-11V J73KN-AM-11X
13
14
31
32
31
32
13
14
Suffix Voltage Marking Rated Control Voltage Us
to contactor type
e.g. at the coil
range for
50Hz 60Hz
J7KNA-09-10-24
for 50Hz
V
for 60Hz
V
min
V.
max
V.
min
V.
max
V.
24 24 24 22 24 24 24
48 48 48 48 50 48 52
100 100 110-115 100 105 110 115
110 110-115 120-125 110 115 120 125
200 200 210-220 195 205 210 220
230 220-230 240 220 230 240 250
400 380-400 440 380 400 415 440
550 525-550 600 525 550 570 600
Mini Motor Contactor J7KNA 7
■Engineering data and Characteristics
Mini Motor Contactors
Data according to IEC 947-4-1, VDE 0660, EN 60947-4-1
Main Contacts Ty p e J7KNA-09-… J7KNA-12-…
Rated insulation voltage UiV AC 690*1) 690 ’1)
Making capacity Ieff at Ue = 690V AC A 165 165
Breaking capacity Ieff 400V AC A 100 100
cos = 0,65 500V AC A 90 90
690V AC A 80 80
Utilization category AC1
Switching of resistive load
Rated operational current Ie (=Ith) at 40°C, open A 20 20
Rated operational power of three-phase resistive loads 230V kW 7.9 7.9
50-60Hz, cos = 1 240V kW 8.3 8.3
400V kW 13.8 13.8
415V kW 14.3 14.3
Rated operational current Ie (=Ithe) at 60°C, enclosed A 16 16
Rated operational power of three-phase resistive loads 230V kW 6.3 6.3
50-60Hz, cos = 1 240V kW 6.7 6.7
400V kW 11 11
415V kW 11.5 11.5
Minimum cross-section of conductor at load with Ie (=Ith) mm² 2.5 2.5
Utilization category AC2 and AC3
Switching of three-phase motors
Rated operational current Ie220V A 12 15
open and enclosed 230V A 11.5 14.5
240V A 11 14
380-400V A 9 12
415-440V A 8 11
500V A 7 9
660-690V A 5 6.5
Rated operational power of three-phase motors 220-240V kW 3 4
50-60Hz 380-440V kW 4 5.5
500-690V kW 4 5.5
Utilization category AC4
Switching of squirrel cage motors, inching
Rated operational current Ie220V A 12 15
open and enclosed 230V A 11.5 14.5
240V A 11 14
380-400V A 9 12
415-440V A 8 11
500V A 7 9
660-690V A 5 6.5
Rated operational power of three-phase motors 220-240V kW 3 4
50-60Hz 380-440V kW 4 5.5
500-690V kW 4 5.5
8Mini Motor Contactor J7KNA
Utilization category DC1
Switching of resistive load 1 pole 24V A 20 20
Time constant L/R 1ms 60V A 20 20
Rated operational current Ie110V A 5 5
220V A 0.6 0.6
3 poles in series 24V A 20 20
60V A 20 20
110V A 20 20
220V A 16 16
Utilization category DC3 and DC5
Switching of shunt motors 1 pole 24V A 20 20
and series motors 60V A 5 5
Time constant L/R 15ms 110V A 1 1
Rated operational current Ie220V A 0.15 0.15
3 poles in series 24V A 20 20
60V A 20 20
110V A 20 20
220V A 2 2
Maximum ambient temperature
Operation open °C -40 to +60 (+90)*2
enclosed °C -40 to +40
with thermal overload relay open °C -25 to +60
enclosed °C -25 to +40
Storage °C -50 to +90
Short circuit protection
for contactors without thermal overload relay
Coordination-type "1" according to IEC 947-4-1
Contact welding without hazard of persons
max. fuse size gL (gG) A 40 40
Coordination-type “2” according to IEC 947-4-1
Light contact welding accepted
max. fuse size gL (gG) A 25 25
Contact welding not accepted
max. fuse size gL (gG) A 10 10
For contactors with thermal overload relay the
device with the smaller admissible backup fuse
(contactor or thermal overload relay) determines the fuse size.
Cable cross-sections
for contactors without thermal overload relay
main connector solid or stranded mm² 0.5 - 2.5 0.5 - 2.5
flexible mm² 0.5 - 2.5 0.5 - 2.5
flexible with multicore cable end mm² 0.5 - 1.5 0.5 - 1.5
Cables per clamp 2 2
solid or stranded AWG 18 - 14 18 - 14
Mini Motor Contactors
Data according to IEC 947-4-1, VDE 0660, EN 60947-4-1
Main Contacts Ty p e J7KNA-09-… J7KNA-12-…
Mini Motor Contactor J7KNA 9
Frequency of operations z without load 1/h 10000 10000
Contactors without thermal overload relay AC3, Ie1/h 600 700
AC4, Ie1/h 120 150
DC3, Ie1/h 600 700
Mechanical life AC operated S x 10655
DC operated S x 10615 15
Short time current 10s-current A 96 120
Power loss per pole at Ie/AC3 400V W 0.15 0.25
Resistance to shock according to IEC 68-2-27
Shock time 20ms sine-wave
AC operated NO g 5 5
NC g 5 5
DC operated NO g 8 8
NC g 6 6
*1) Suitable at 690V for: earthed-neutral systems, overvoltage category I to IV, pollution degree 3 (standard-industry): Uimp = 8kV.
Data for other conditions on request.
*2) With reduced control voltage range 0.9 up to 1.0 x Us and with reduced rated current Ie/AC1according to Ie/AC3
Mini Motor Contactors
Data according to IEC 947-4-1, VDE 0660, EN 60947-4-1
Main Contacts Ty p e J7KNA-09-… J7KNA-12-…
10 Mini Motor Contactor J7KNA
Mini Motor Contactors
Data according to IEC 947-5-1, VDE 0660, EN 60947-5-1
Auxiliary Contacts Ty p e
J7KNA-09…
J7KNA-12…
J7KNA-09…D(VS)*1
J7KNA-12…D(VS) J73KN-A…
Rated insulation voltage Ui V AC 690*2 690*1 690*1
Thermal rated current Ith to 690V
Ambient temperature 40°C A 10 10 10
60°C A 6 6 6
Power loss per pole at Ith W 0.5 0.5 0.5
Utilization category AC15
Rated operational current Ie220-240V A 3 3 3
380-415V A 2 2 2
440V A 1.6 1.6 1.6
500V A 1.2 1.2 1.2
660-690V A 0.6 0.6 0.6
Utilization category DC13
Rated operational current Ie60V A 2 2 2
110V A 0.4 0.4 0.4
220V A 0.1 0.1 0.1
Maximum ambient temperature
Operation open °C -40 to +60 (+90)*3
enclosed °C -40 to +40
Storage °C -40 to +90
Short circuit protection
short-circuit current 1kA,
contact welding not accepted
max. fuse size gL (gG) A 20 20 20
For contactors with thermal overload relay the
device with the smaller admissible control fuse
(contactor or thermal overload relay)
determines the fuse size.
Power consumption of coils
AC operated inrush VA 25 - -
sealed VA 4 - 5 - -
W1.2 - -
DC operated inrush W - 2.5 -
sealed W - 2.5 -
Operation range of coils
in multiples of control voltage Us0.85 - 1.1 0.8 - 1.1 -
Switching time at control voltage Us ±10%*4,*5
AC operated make time ms 15 - 25 - -
release time ms 8 - 25 - -
arc duration ms 10 -15 - -
DC operated make time ms - 15 - 19 -
release time ms - 8 - 25 (35)*1 -
arc duration ms - 10 -15 -
Mini Motor Contactor J7KNA 11
Cable cross-section
all connectors solid mm² 0.75 - 2.5 0.75 - 2.5 0.75 - 2.5
flexible mm² 0.75 - 2.5 0.75 - 2.5 0.75 - 2.5
flexible with multicore cable end mm² 0.5 - 1.5 0.5 - 1.5 0.5 - 2.5
Clamps per pole 2 2 2
solid or stranded AWG 18 - 14 18 - 14 18 - 14
*1) version „VS“
*2) Suitable at 690V for: earthed-neutral systems, overvoltage category I to IV, pollution degree 3 (standard-industry): Uimp = 8kV.
Data for other conditions on request.
*3) With reduced control voltage range 0.9 up to 1.0 x Us and with reduced thermal rated current Ith to Ie/AC15
*4) Summary switching time = release time + arc duration
*5) Release time of NC make time of NO increase when suppressor units for voltage peak protection are used
(Varistor, RC-units, Diode units).
Mini Motor Contactors
Data according to IEC 947-5-1, VDE 0660, EN 60947-5-1
Auxiliary Contacts Ty p e
J7KNA-09…
J7KNA-12…
J7KNA-09…D(VS)*1
J7KNA-12…D(VS) J73KN-A…
Mini Contactors for North America
Data according to UL508
Main Contacts (cULus) Ty p e J7KNA-09… J7KNA-12… J73KN-A…
Rated operational current "General Use" A 15 20 10
Rated operational power of three-phase motors 115V hp 1½ 2 -
at 60Hz (3ph) 200V hp 3 3 -
230V hp 3 3 -
460V hp 5 7½ -
575V hp 7½ 10 -
Rated operational power of of AC motors 115V hp ½ ¾ -
at 60Hz (1ph) 200V hp 1 1½ -
230V hp 1½ 2 -
Fuses A 30 30 -
Suitable for use on a capability of delivering not more than rms
(SCCR)
A 5000 5000 -
V 600 600 -
Rated voltage V AC 600 600 600
Auxiliary Contacts (cULus) heavy pilot duty AC A600 A600 A600
standard pilot duty DC Q600 Q600 Q600
12 Mini Motor Contactor J7KNA
■Dimensions
AC and DC operated
with screw terminals
Auxiliary Contact Blocks
J7KNA-09…
J7KNA-12…
J73KN-A…
Reversing Contactors
J7KNA-09-01-R…
J7KNA-12-01-R…
J7KNA-09-01-R… + J7TKN-A
J7KNA-12-01-R…+ J7TKN-A
Suppressor units
J74KN-D-RC...
In the interest of product improvement, specifications are subject to change without notice.
ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.
To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.
Cat. No. J05E-EN-04
