Motor Contactor
J7KN
• Range from 4 to 500 kW (AC 3, 380/415 V)
• AC and DC operated
• Integrated auxiliary contacts; integrated aux. contact of J7KN
contactors up to 11kW suitable for electronic circuits
• Screw fixing and snap fitting (35 mm DIN rail) up to 37 kW
• Compliant to the global standards
• Finger proof (BGV A2)
• System contactors for Fuseless Load Feeders with integrated
link modules
• All needed approvals like CE, UL, GOST & CCC. The J7KN
fulfills the following standards; IEC 947-4-1, VDE 0660 and
EN 60947-4-1.
• Accessories like auxiliary contacts front or/and side mounted,
mechanical interlock and suppressor units.
• Mirror Contacts (NC) according to IEC 60947-4-1 for
safety applications
Model Number Legend
1. Motor Contactors
5. Accessories for Motor Contactors (RS Suppressor units)
J7KN#-###-##-###
#
1 2
3
4 5 6
1)
Motor Contactor
2)
G for low DC control power consumption
3)
Rated Motor Current.
D for integrated aux. contact for electronic circuits
(except for 4-pole versions)
4)
Integrated auxiliary contact configuration
5)
Coil voltage
6)
D for DC coil supply
2. Aux. Contact Modules for Motor Contactors
J74KN-#-##-###
1
2
3
4
1)
Accessories for Motor Contactor
2)
Motor contactors size
3)
RS-surge suppressors
4)
Voltage
6. Accessories for Motor Contactors (RC Suppressor units)
J73KN-#-##-##
1
2
3
4
1)
2)
3)
4)
Auxiliary Contact Modules
Motor contactors size
Combination of NO / NC contacts
Place of mounting
J74KN-##-##-###
1
2
3
4
1)
Accessories for Motor Contactor
2)
C2 = J7KN
3)
RC = RC suppressor unit
4)
Voltage
7. Accessories for Motor Contactors
(Additional Terminals and Terminal Covers)
3. Accessories for Motor Contactors (Pneumatic Timers)
J74KN-#-##-##-##
1
2
3
4 5
1)
Accessories for Motor Contactor
2)
Motor contactors size
3)
Pneumatic Timer
4)
Time range
5)
Function
4. Accessories for Motor Contactors (Mechanical Interlock)
J74KN-####
1
2
1)
Accessories for Motor Contactor
2)
Version
8. Insulated wiring systems for Motor Contactors
J74-WK##-##
1
2
3
1)
Additional reference for LVSG
2)
WKR = Wiring Kit Reverser;
WKSD = Wiring Kit Star Delta
3)
Version
J74KN-#-##
1
2
3
1)
2)
3)
Accessories for Motor Contactor
Motor contactors size
Mechanical Interlock
Motor Contactor
J7KN
1
■
Additional products
Auxiliary Contacts Blocks
Rated Operational Current
AC15
230V
A
3
3
3
3
6
6
AC15
400V
A
2
2
2
2
4
4
AC1
690V
A
10
10
10
10
25
25
Front, standard version
NO
1
–
NC
*1
–
1
–
1
–
1
J7KN-10D up to
J7KN-115
Mounting + comments Contacts
Suitable for
Contactors
Partnumer
Type
J73KN-B-10
*2
J73KN-B-01
*2
J73KN-B-10U
*2
J73KN-B-01U
*2
J73KN-B-10A
*2
J73KN-B-01A
*2
1
EM/LB version
(early make/late break) –
High current version
1
–
3
2
10
Side version, max.
2 pcs per contactor
1
1
J7KN-24 up to
J7KN-115
J73KN-C-11S
*2
3
2
10
Front version, max.
1 pcs per contactor
1
1
J7KN-151 up to
J7KN-316
J73KN-D-11F
3
2
10
2
2
J73KN-D-22F
3
2
10
Side version, max.
2 pcs per contactor
1
1
J7KN-151 up to
J7KN-316
J73KN-D-11S
3
2
10
Front version, max.
1 pcs per contactor
2
2
J7KN-450 up to
J7KN-860
J73KN-E-22F
*1
*2
Mirror Contact (NC) according to IEC 60947-4-1 for safety applications.
Contacts suitable for electronic circuits, according to IEC60947-5-4 for rated voltage 24 VDC (test ratings 17 VDC, 5 mA). Positively guid-
ed contacts. Technical data see page 24.
Pneumatic Timer
Function
Time range Mounting + Contacts
s
comments
Suitable for Contactors
Partnumber
NO
On-delay
On-delay
Off-delay
Off-delay
0.1 - 40
10 - 180
Front
0.1 - 40
10 - 180
–
–
1
1
NC
1
1
–
–
NO
–
–
1
1
NC
–
–
1
1
Front for contactors
J7KN-10D up to J7KN-40
Type
J74KN-B-TP40DA
J74KN-B-TP180DA
J74KN-B-TP40IA
J74KN-B-TP180IA
Mechanical Interlocks
Interlocks contactors with contactors (dimensions need to be the same)
Type
J7KN(G)-10(D) - J7KN(G)-40
J7KN-24 - J7KN-74
J7KN-90 - J7KN-115
J7KN-151 - J7KN-316
+
+
+
+
J7KN(G)-10(D) - J7KN(G)-40
J7KN-24 - J7KN-74
J7KN-90 - J7KN-115
J7KN-151 - J7KN-316
Partnumber
Type
J74KN-B-ML
J74KN-C-ML
J74KN-D2-ML
J74KN-E-ML
4
Motor Contactor
J7KN
Suppressor units
Function
RC-Unit snap on contactor
For Contactors
J7KN-10D - J7KN-74
Voltages
12 - 48 V
48 - 127 V
110 - 230 V
230 - 415 V
AC/DC
AC/DC
AC/DC
AC/DC
Partnumber
Type
J74KN-C2-RC24
J74KN-C2-RC110
J74KN-C2-RC230
J74KN-C2-RC400
Additional products
Function
For Contactors
Specification
Cable Cross-section to clamp mm
solid or
stranded
Terminals single pole
J7KN-50 - J7KN-74
4 - 35
2
Partnumber
flex. with
multicore
cable end Type
4 - 25
J74KN-LG-9030
(3pcs set)
flexible
6 - 25
J7KN-151 - J7KN-176 16 - 120
–
16 - 95
J74KN-LG-11224
Terminal cover for
terminal protection according
DIN 57106, BVG-A2
J7KN-151 - J7KN-176 for 3 terminals; 2 units for one con-
J74KN-LG-10404
3-pole
tactor
J7KN-210 - J7KN-316
J74KN-LG-11457
2-section without marking,
divisible
4-section without marking,
divisible
J74KN-P487-1
J74KN-P245-1
Marking system for contactors J7KN-10 to J7KN-74
and aux. contactblocks
& J73KN-B
Insulated wiring systems for motor contactors
Function
For reversing contactors
(2 parts)
For Contactors
Specification
Maximum current
J7KN-10D - J7KN-22D 22
Partnumber
Type
J74-WKR-B2
J7KN-24 - J7KN-40
40
J74-WKR-C
For star-delta combination
(4 parts)
J7KN-10D - J7KN-22D 22
J74-WKSD-B2
J7KN-24 - J7KN-40
40
J74-WKSD-C
Motor Contactor
J7KN
5
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