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40

Motor Contactor 

J7KN

Utilization category AC4
Switching of squirrel cage motors, inching

Rated operational power 
of three-phase motors
50-60Hz

220-230V

kW

3

4

5

5

6

8,5

11

 12,5

18,5

18,5

240V

kW

3

4

5

5

7

9

11,5

13,5

19

19

380-400V

kW

4

5,5

7,5

7,5

11

15

18,5

22

30

30

415V

kW

4,5

6

8,5

8,5

12

16

20

24

33

33

440V

kW

4,5

6

8,5

8,5

12

16

20

24

33

33

500V

kW

5,5

7,5

10

10

15

18,5

18,5

30

37

37

660-690V

kW

5,5

7,5

10

10

15

18,5

18,5

30

37

37

1000V

kW

-

-

-

-

-

-

-

-

-

Utilization category AC 5a
Switching of gas discharge lamps

Rated operational current I

e

 per pole at 220/230V

Fluorescent lamps, 

uncompensated and serial compensated

A

20

20

25

25

40

 52

64

88

96

104

parallel compensated

A

7

9

9

9

18

22

22

30

40

45

dual-connection

A

22,5

22,5

28

28

45

58

72

98

108

117

Metal halide lamps

*2

uncompensated 

A

12

15

19

19

30

39

48

66

72

78

parallel compensated

A

7

9

9

9

18

22

22

30

40

45

Mercury-vapour lamps

*3

uncompensated 

A

22,5

25

28

28

45

58

72

99

108

117

parallel compensated

A

7

9

9

9

18

22

22

30

40

45

Mixed light lamps

*4

A

20

20

25

25

40

52

64

88

96

104

Utilization category AC 5b
Switching of incandescent lamps

*5

Rated operational current I

e

 per pole at 220/230V

A

12,5

12,5

12,5

12,5

25

31

31

43

56

56

Utilization category AC 6a
Transformer primary switching

at  inrush

n

30

30

30

30

30

30

30

30

30

30

Rated operational current I

e

400V

A

4,5

5,5

7,5

7,5

10,5

13,5

13,5

20

 27

33

Rated operational power 
dependent on inrush n 

220-230V

kVA

1,8

2,2

3

3

4,2

5,4

5,4

8

 10,7

13

240V

kVA

1,9

2,3

3,1

3,1

4,3

5,6

5,6

8,3

11,2

 13,5

380-400V

kVA

3,1

3,8

5,2

5,2

7,3

9,3

9,3

13,5

18,5

22,5

For different inrush-factors x
use the following formula:
Px=Pn*(n/x)

415-440V

kVA

3,4

4,2

5,7

5,7

8

10,2

10,2

 15

20,5

25

500V

kVA

3,9

4,8

6,5

6,5

9

11,5

11,5

17

 23

28

660-690V

kVA

5,4

6,5

9

9

12,5

16

16

24

32

39

Utilization category AC 6b
Switching of three-phase capacitor banks

Maximum inrush current (peak val-
ue) as multiple k of the capacitor 
rated current

k

35

25

20

20

25

25

25

25

25

20 

Rated operational current I

e

500V

A

8

12

15,5

15,5

23

32

32

45

60

 

70

Rated operational power
(sin

1)

220-230V

kVAr 3

4,5

6

6

8,5

12

12

 17

24

28

240V

kVAr 3,5

5

6,5

6,5

9,5

13

13

18,5

25

29

380-400V

kVAr 5

7,5

10

10

15

20

20

29

39

46

For different multiples x 
use the following formula:
Px=Pk*(k/x)

415-440V

kVAr 5,5

8

11

11

16

22

22

 32

43

50

500V

kVAr 7

10

13

13

20

26

26

39

 

50

58

660-690V

kVAr 7

10

13

13

20

26

26

40

50

58

Switching of detuned capacitors

Rated operational current I

e

690V

A

8

13

18

20

28

36

42

48

72

 105 

1)

Rated operational power

220-230V

kVAr 2,9

5

7

7,5

11

14

16

 20

28

33

240V

kVAr 3,1

5,4

7

8

11

14

17

20

28

36

380-400V

kVAr 5

9

12,5

13

20

25

27,5

33,3

50

75 

1)

415-440V

kVAr 5,5

9,5

13

14

22

27

30

36

53

75 

1)

500V

kVAr 6

11

15

17

25

30

36

40

60

75

660-690V

kVAr 8

15

20

22

33

41

48

55

82

100

Utilization category DC1
Switching of resistive load

Time constant L/R  1ms

 

Rated operational current I

e

1 pole24V A

20

25

32

32

50

65

 80

110

120

130

 60V A

20

25

32

32

50

65

80

110

120

130

110V A

6

6

6

6

10

10

10

12

12

12

220V A

0,8

0,8

0,8

0,8

1,4

1,4

1,4

1,4

1,4

1,4

 3 poles in series 24V A

20

25

32

32

50

65

80

110

120

130

 60V A

20

25

32

32

50

65

80

110

120

130

110V A

20

25

32

32

50

65

80

110

120

130

220V A

16

20

20

20

30

35

35

63

80

80

Main Contacts

Type

J7KN-10

J7KN-14

J7KN-18

J7KN-22

J7KN-24

J7KN-32

J7KN-40

J7KN-50

J7KN-62

J7KN-74

Summary of Contents for J7KN -

Page 1: ...2 System contactors for Fuseless Load Feeders with integrated link module Accessories front mounted single pole additional auxiliary contacts 1 NO or 1 NC Side mounted additional auxiliary contacts 1...

Page 2: ...rrent AC 3 400 V 10 10 A 14 14 A 18 18 A 22 22 A 3 Integrated Auxiliary Contact 10 1NO 0NC 01 0NO 1NC 4 Coil voltage AC operated 24 AC24V 50 60Hz 48 AC48V 50Hz 110 AC110V 50Hz AC110 120V 60Hz 180 AC18...

Page 3: ...p on to contactor 3 VG Varistor Suppressors 4 230 110 230VAC DC 400 250 415VAC DC 8 Accessories for Motor Contactors Additional Terminals and Terminal Covers 1 Accessories for Motor Contactors 2 LG 90...

Page 4: ...1NC 1NC 1NC Cable cross section Solid mm2 0 75 6 1 5 25 4 50 Flexible mm2 1 4 2 5 16 10 35 Cables per clamp 2 1 1 1 1 Auxiliary contact Ith 40 C A 16 AC15 230V A 12 400V A 4 Power consumption of coils...

Page 5: ...18x4 22x4 Cables per clamp 1 1 1 1 1 Auxiliary contact Ith 40 C A 16 10 AC15 230V A 12 3 400V A 6 2 Power consumption of coils Inrush VA 350 420 350 350 700 hold VA 23 29 5 5 20 Operation range of coi...

Page 6: ...0 23 0 23 0 23 0 23 4 4 5 5 5 5 7 5 7 5 11 11 5 5 5 5 7 5 7 5 10 10 10 10 5 5 5 5 7 5 7 5 10 10 10 10 25 25 25 25 32 32 32 32 11 15 18 5 15 18 5 18 5 15 18 5 18 5 50 65 80 max 4 J73KN B 2 J73KN C 11S...

Page 7: ...1 1 1 1 1 1 max 4 J73KN B J7KNG 10 10 D J7KNG 10 01 D J7KNG 14 10 D J7KNG 14 01 D J7KNG 18 10 D J7KNG 18 01 D J7KNG 22 10 D J7KNG 22 01 D 1 1 1 1 1 1 1 1 0 53 0 53 0 53 0 53 0 53 0 53 0 53 0 53 J7TKN...

Page 8: ...Weight AC2 AC3 AC1 AC1 Built in Additional see below Type 380V 400V 415V kW 400V kW 690V A NO NC Coil Voltage 1 24 24V 50 60Hz 110 110V 50Hz 230 220 240V 50Hz 1 Coil voltage range and other coil volta...

Page 9: ...t Contacts Type Pack Weight AC15 230V AC15 400V AC1 690V A A A Mounting NO NC pcs kg pc 3 3 2 2 10 10 front 1 2 1 2 J73KN D 11F J73KN D 22F 1 1 0 08 0 08 3 2 10 side 1 1 J73KN D 11S 1 0 12 Rated Opera...

Page 10: ...02 0 036 0 036 RC Unit snap on contactor J7KN10 J7KN74 12 48 V AC DC 48 127 V AC DC 110 230 V AC DC J74KN C RC24 J74KN C RC110 J74KN C RC230 10 10 10 0 02 0 036 0 036 RC Unit to fix via fixing band or...

Page 11: ...A For contactors Type Pack pcs For reversing or parallel contactors 2 parts 25 J7KN 10 22 J75 WK 21 1 40 J7KN 24 40 J75 WK 41 1 For star delta combination 3 parts 25 J7KN 10 22 J75 WK 22 1 AC operated...

Page 12: ...Suffix to contactor type e g Voltage Marking Rated Control Voltage Us at the coil range for 50Hz 60Hz J7KN 85 22 24 for 50Hz V for 60Hz V min V max V min V max V 20 20 24 20 22 24 26 24 24 24 27 29 32...

Page 13: ...7 5 10 10 0 86 85 27 4 35 35 24 8 35 35 15 5 25 20 14 25 16 11 9 20 16 9 16 10 8 11 0 86 85 28 8 50 35 26 4 35 35 16 7 25 20 12 7 20 16 11 15 15 0 86 87 39 2 63 50 35 3 50 50 22 35 25 21 35 25 16 7 25...

Page 14: ...4 0 16 6 19 2 17 0 8 3 9 6 8 5 4 2 4 8 6 8 3 3 3 9 5 56 0 26 4 30 4 28 0 13 2 15 2 14 0 6 6 7 6 11 2 5 3 6 1 7 80 0 38 0 44 0 40 0 19 0 22 0 21 0 9 0 11 0 16 0 8 0 9 0 10 100 0 48 0 56 0 50 0 24 0 28...

Page 15: ...5 8 39 8 43 8 240V kW 10 4 10 4 13 3 13 3 16 6 22 8 27 0 37 4 41 5 45 7 380V kW 16 4 16 4 21 0 21 0 26 3 36 2 42 7 59 2 65 7 72 3 400V kW 17 3 17 3 22 1 22 1 27 7 38 1 45 0 62 3 69 2 76 1 415V kW 17 9...

Page 16: ...13 5 18 5 22 5 For different inrush factors x use the following formula Px Pn n x 415 440V kVA 3 4 4 2 5 7 5 7 8 10 2 10 2 15 20 5 25 500V kVA 3 9 4 8 6 5 6 5 9 11 5 11 5 17 23 28 660 690V kVA 5 4 6...

Page 17: ...6 flexible mm 6 1 5 6 4 1 4 16 2 5 6 10 4 10 50 4 10 35 4 16 2 5 0 75 2 5 1 5 0 75 1 5 6 4 6 4 2 5 4 25 4 25 16 4 16 Cables per clamp 2 2 2 main connector solid AWG 18 10 16 10 12 10 flexible AWG 18 1...

Page 18: ...76 106 230V kW 40 49 71 79 111 240V kW 41 52 74 83 116 380V kW 65 82 118 131 184 400V kW 69 86 124 138 193 415V kW 71 89 129 143 201 440V kW 71 95 137 152 213 500V kW 86 108 155 173 242 660V kW 114 1...

Page 19: ...20 25 30 34 240V kVA 15 5 20 5 27 33 37 380 400V kVA 26 34 45 55 60 For different inrush factors x use the following formula Px Pn n x 415 440V kVA 29 38 46 57 63 500V kVA 33 43 55 69 75 660 690V 45 6...

Page 20: ...crew flexible with multicore cable end mm 10 35 10 35 M8 M8 M8 Cables per clamp solid or stranded mm flexible mm Cables per clamp main connector solid AWG 10 10 flexible AWG 6 0 6 0 Cables per clamp 1...

Page 21: ...7 4 5 4 7 DC operated inrush W 75 140 200 sealed W 2 2 6 DC solenoid operated inrush W 3 4 J7KNG types sealed W 3 4 Operation range of coils in multiples of control voltage Us AC operated 0 85 1 1 0 8...

Page 22: ...VA 280 350 350 420 350 350 700 sealed VA 16 23 23 29 5 5 20 W 4 6 6 7 3 DC operated inrush W 170 320 350 350 700 sealed W 2 4 5 5 20 Operation range of coils in multiples of control voltage Us AC ope...

Page 23: ...7 5 500 000 operations 440 480V hp 10 15 20 25 550 600V hp 10 20 25 30 Rated operationalcurrent 600V A 15 22 27 37 Fuses A 30 40 50 50 90 125 175 175 225 250 Suitable for use on a capability of delive...

Page 24: ...scale 1 For contactors frequently used under AC3 AC4 mixed service condi tions calculate contact life with the formula 1 Pay attention to the approved rated values of the selected contactor according...

Page 25: ...f incandes cent lamps all values 1 5 1 05 1 4 1 05 1 AC6a Switching of transformers Ie 100A 4 5 1 05 0 45 3 6 1 05 0 45 Ie 100A 4 5 1 05 0 35 3 6 1 05 0 35 AC6b Switching of capacitor banks 2 2 AC7a S...

Page 26: ...Utilization category DC13 Rated operational current Ie 60V A 2 2 2 5 110V A 0 4 0 4 1 1 5 220V A 0 1 0 1 0 5 0 2 Short circuit protection short circuit current 1kA contact welding not accepted max fus...

Page 27: ...J7KN 24 32 40 J7KN 24 32 40 D J7KNG 24 32 40 D J7KN 50 62 74 J7KN 50 62 74 D Auxiliary contacts are optional 82 5 6 5 50 49 50 35 36 45 59 M3 5 78 5 5 45 35 89 80 111 107 6 5 79 M3 5 4 5 45 35 65 60 1...

Page 28: ...52 Motor Contactor J7KN AC and DC operated J7KN 85 J7KN 110 J7KN 200 J7KN 151 J7KN 176 Pneumatic timer J74KN B TP Auxiliary contacts are optional 12 x 70...

Page 29: ...Motor Contactor J7KN 53 Auxiliary contact blocks J74KN A VG J74KN D J74KN B VG J74KN B RC J74KN C 65 28 150 11 4 23 10 100 10 19 24 7...

Page 30: ...5 21 D J7KN 110 21 D AC and DC operated DC operated J7KN 151 J7KN 176 J7KN 200 21 J7KNG 10 10 J7KNG 14 10 J7KNG 18 10 J7KNG 22 10 J7KNG 10 01 J7KNG 14 01 J7KNG 18 01 J7KNG 22 01 J7KNG 24 J7KNG 32 J7KN...

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