J7KCA | Omron, Europe

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J7KCA

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  • J7KCA Datasheet
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Features

Auxiliary Relay (Contactor Relay)

Same shape as J7KC magnetic contactors Ideal for standardizing panel design

  • Push-In Plus wiring technology saves wiring and maintenance time
  • World's smallest size*1
  • High Contact Reliability (Min. 5 VDC, 3 mA)
  • Combination with auxiliary contact units to configure a wide variety of contact variations
  • Coil surge absorber unit installed as standard*2
  • Certified as compliant with the main safety standards

*1. According to OMRON investigation, as of August 2019. For push-in models.

*2. DC operated

Specifications & ordering info

Ordering Information

Main unit

Contactor relay

Coil rating Contact configuration Order code
24 VAC 4PST-4NO J7KCA-40 AC24
4PST-3NO 1NC J7KCA-31 AC24
4PST-2NO 2NC J7KCA-22 AC24
48 VAC 4PST-4NO J7KCA-40 AC48
4PST-3NO 1NC J7KCA-31 AC48
4PST-2NO 2NC J7KCA-22 AC48
100 VAC 4PST-4NO J7KCA-40 AC100
4PST-3NO 1NC J7KCA-31 AC100
4PST-2NO 2NC J7KCA-22 AC100
110 VAC 4PST-4NO J7KCA-40 AC110
4PST-3NO 1NC J7KCA-31 AC110
4PST-2NO 2NC J7KCA-22 AC110
120 VAC 4PST-4NO J7KCA-40 AC120
4PST-3NO 1NC J7KCA-31 AC120
4PST-2NO 2NC J7KCA-22 AC120
200 VAC 4PST-4NO J7KCA-40 AC200
4PST-3NO 1NC J7KCA-31 AC200
4PST-2NO 2NC J7KCA-22 AC200
220 VAC 4PST-4NO J7KCA-40 AC220
4PST-3NO 1NC J7KCA-31 AC220
4PST-2NO 2NC J7KCA-22 AC220
230 VAC 4PST-4NO J7KCA-40 AC230
4PST-3NO 1NC J7KCA-31 AC230
4PST-2NO 2NC J7KCA-22 AC230
240 VAC 4PST-4NO J7KCA-40 AC240
4PST-3NO 1NC J7KCA-31 AC240
4PST-2NO 2NC J7KCA-22 AC240
380 VAC 4PST-4NO J7KCA-40 AC380
4PST-3NO 1NC J7KCA-31 AC380
4PST-2NO 2NC J7KCA-22 AC380
400 VAC 4PST-4NO J7KCA-40 AC400
4PST-3NO 1NC J7KCA-31 AC400
4PST-2NO 2NC J7KCA-22 AC400
440 VAC 4PST-4NO J7KCA-40 AC440
4PST-3NO 1NC J7KCA-31 AC440
4PST-2NO 2NC J7KCA-22 AC440
500 VAC 4PST-4NO J7KCA-40 AC500
4PST-3NO 1NC J7KCA-31 AC500
4PST-2NO 2NC J7KCA-22 AC500
12 VDC 4PST-4NO J7KCA-40 DC12
4PST-3NO 1NC J7KCA-31 DC12
4PST-2NO 2NC J7KCA-22 DC12
24 VDC 4PST-4NO J7KCA-40 DC24
4PST-3NO 1NC J7KCA-31 DC24
4PST-2NO 2NC J7KCA-22 DC24
48 VDC 4PST-4NO J7KCA-40 DC48
4PST-3NO 1NC J7KCA-31 DC48
4PST-2NO 2NC J7KCA-22 DC48
60 VDC 4PST-4NO J7KCA-40 DC60
4PST-3NO 1NC J7KCA-31 DC60
4PST-2NO 2NC J7KCA-22 DC60
100 VDC 4PST-4NO J7KCA-40 DC100
4PST-3NO 1NC J7KCA-31 DC100
4PST-2NO 2NC J7KCA-22 DC100

Optional Unit (Order Separately)

Auxiliary contact unit

Number of poles Contact configuration Order code
2 2PST-2NO J73KC-AM-20
2PST-1NO 1NC J73KC-AM-11
2PST-2NC J73KC-AM-02
4 4PST-4NO J73KC-AM-40
4PST-3NO 1NC J73KC-AM-31
4PST-2NO 2NC J73KC-AM-22
4PST-1NO 3NC J73KC-AM-13
4PST-4NC J73KC-AM-04

Coil surge absorption unit

Adopted Coil voltage type LED indicator Order code
24-48 VAC No J76KC-RC-1
48-125 VAC J76KC-RC-2
100-125 VAC J76KC-RC-3
24-48 VAC Yes J76KC-RC-N-1
48-125 VAC J76KC-RC-N-2

Insulation stop

Minimum order (bag) Order code
1
(30 pcs./bag)
J77KC-K

Specifications

Coil rating

AC operated

Displayed model Rated voltage Allowable voltage range Must operate voltage Must release voltage
50 Hz 60 Hz 50 Hz 60 Hz
AC 24 24 VAC 24-26 VAC 85 to 110% 21-27 VAC 21-29 VAC 85% max. 20% min.
AC 48 48 VAC 48-52 VAC 41-53 VAC 41-58 VAC
AC 100 100 VAC 100-110 VAC 85-110 VAC 85-121 VAC
AC 110 100-110 VAC 110-120 VAC 85-121 VAC 94-132 VAC
AC 120 110-120 VAC 120-130 VAC 94-132 VAC 102-143 VAC
AC 200 200 VAC 200-220 VAC 170-220 VAC 170-242 VAC
AC 220 200-220 VAC 220-240 VAC 170-242 VAC 187-264 VAC
AC 230 220-230 VAC 230 VAC 187-253 VAC 196-253 VAC
AC 240 220-240 VAC 240-260 VAC 187-264 VAC 204-286 VAC
AC 380 346-380 VAC 380-420 VAC 295-418 VAC 323-462 VAC
AC 400 380-400 VAC 400-440 VAC 323-440 VAC 340-484 VAC
AC 440 415-440 VAC 440-480 VAC 353-484 VAC 374-528 VAC
AC 500 480-500 VAC 500-550 VAC 408-550 VAC 425-605 VAC

DC operated

Displayed model Rated voltage Allowable voltage range Must operate voltage Must release voltage
DC 12 12 VDC 85 to 110% 11-14 VDC 85% max. 10% min.
DC 24 24 VDC 21-27 VDC
DC 48 48 VDC 41-53 VDC
DC 60 60 VDC 51-66 VDC
DC 100 100 VDC 85-110 VDC
DC 110 110 VDC 94-121 VDC
DC 120 120 VDC 102-132 VDC
DC 200 200 VDC 170-220 VDC
DC 210 210 VDC 179-231 VDC
DC 220 220 VDC 187-242 VDC

Coil characteristics (reference value)

AC operated

Frequency 50 Hz 60 Hz
Coil power consumption Making (VA) 22 (200 V) 25 (220 V)
Holding (VA) 4.5 (200 V) 4.5 (220 V)
Power loss (W) 1.2 (200 V) 1.3 (220 V)
Must operate voltage (V) 122 to 135 128 to 138
Must release voltage (V) 80 to 89 83 to 96
Operate time (ms) 17 to 26
Release time (ms) 6 to 16
Note:
  1. Coil ratings: Characteristics for 200 VAC, 50 Hz / 200-220 VAC, 60 Hz.
  2. Coil power consumption value is the same for a coil that is not rated 200 VAC.
  3. Indicated operate/release times for 200 VAC, 50 Hz.
  4. Closed and open voltages of 100 V coil (100 VAC, 50 Hz/100-110 VAC, 60 Hz) are approximately one half the values in the table above.
  5. Values in the table above are examples for 20°C cold condition.

DC operated

Coil power consumption Making (W) 2.4 (24 V)
Holding (W) 2.4 (24 V)
Time constant (ms) Holding 20
Must operate voltage (V) 10 to 11
Must release voltage (V) 4 to 6
Operate time (ms) 34 to 60
Release time (ms) 5 to 10
Note:
  1. Coil ratings: Characteristics for 24 VDC.
  2. Coil power consumption value is the same for a coil that is not rated 24 VDC.
  3. Values in the table above are examples for 20°C cold condition.

Characteristics

Auxiliary circuit ratings Ratings
based on IEC 60947-5-1/
JIS C 8201-5-1
Voltage range (V) 100-120 AC 200-240 AC 380-440 AC 500-600 AC 24 DC 48 DC 110 DC 220 DC
Rated operational current (A) AC-15 (coil load) DC-13 (coil load)
3 3 1 0.5 2 1 0.3 0.2
AC-12 (resistive load) DC-12 (resistive load)
6 6 6 3 3 2 1.5 0.5
Contact closed and breaking
current (A)
30 30 10 5 30 30 10 5
Conventional free air
thermal current (rated
carry current) (A)
10
Ratings based
on UL 508
Rated carry current (A) 10 2.5
Voltage range 120 AC 240 AC 480 AC 600 AC 125 DC 250 DC
Contact closed
current (A)
60 30 15 12 0.55 0.27
Breaking current (A) 6 3 1.5 1.2 0.55 0.27
Rating code A 600 Q 300
Minimum operate voltage/current
(reference value)
5 VDC, 3 mA
Rated insulation voltage 690 VAC
Rated impulse dielectric strength 6 kV
Rated frequency 50/60 Hz
Vibration resistance Vibration: 10 to 55 Hz, acceleration: 15 m/s2
Shock resistance Shock value 50 m/s2
Electrical/
mechanical
endurance
Switching frequency (times per hour) 1800
Mechanical (10,000 operations min.) 1000
Electrical
(10,000
operations
min.)
AC-15 220 V 50
440 V 50
AC-12 220 V 25
440 V 25
DC-13 220 V 15
DC-12 220 V 50
Contact resistance (reference value) 50 mΩ max. (1 mA at 6 VDC using the voltage drop method)
Contact structure Double-break
Contact material Ag alloy
Degree of protection IP20 (IEC60529)
Operating temperature −10 to +55°C (however, daily average shall not exceed 35°C)
Ambient storage temperature −40 to +65°C (no condensation or icing)
Relative humidity 45% to 85% RH (no condensation or icing)
Altitude 2000 m max.
Weight 160 g (J7KCA--AC)/190 g (J7KCA--DC)
Applicable
standards
Safety standard EN 60947-5-1 (IEC 60947-5-1), UL 60947-4-1, CSA 22.2 No.60947-4-1, CCC GB/T 14048.5

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