Datasheet
8 Motor Contactor J7KN
■ Engineering data and characteristics
Approximate Values for three-phase Motors
Motor Full Load Currents
Approximate values of motor F.L.C. and minimum „slow blow“ respectively „gL“ short-circuit fuse
The motor F.L.C. be valid for standard internal and surface cooled three-pole motors with 1500 min
-1
. The fuses values be valid for the motor F.L.C. shown in the table
and D.O.L.-start: starting current max. 6x motor F.L.C., starting time max. 5s; star-delta-start: starting current max. 2x motor F.L.C., starting time max. 15s. For motors
with higher F.L.C., higher starting current and / or longer starting time, larger short-circuit fuses are required.
The maximum admissible value is dependent on the switchgear respectively thermal overload relay.
Motor rating 220-230V Motor 240V Motor 380-400V Motor 415V Motor 500V Motor 660-690V Motor
Range according to BS for 415V Value of fusing at
motor start
Value of fusing at
motor start
Value of fusing at
motor start
Value of fusing at
motor start
Value of fusing at
motor start
Value of fusing at
motor start
kW PS~hp hp cos %
F. L . C .
A
D.O.L.
A
YD
A
F. L . C .
A
D.O.L.
A
YD
A
F. L . C .
A
D.O.L.
A
YD
A
F. L . C .
A
D.O.L.
A
YD
A
F. L . C .
A
D.O.L.
A
YD
A
F. L . C .
A
D.O.L.
A
YD
A
0.06 0.08 - 0.7 59 0.38 1 1 0.35 1 1 0.22 11- - -0.1611- - -
0.09 0.12 - 0.7 60 0.55 2 2 0.5 2 2 0.33 11- - -0.2411- - -
0.12 0.16 - 0.7 61 0.76 2 2 0.68 2 2 0.42 22- - -0.3311- - -
0.18 0.24 - 0.7 61 1.1 2 2 1 2 2 0.64 22- - -0.4611- - -
0.25 0.34 - 0.7 62 1.4 4 2 1.38 4 2 0.88 22- - -0.5922- - -
0.37 0.5 - 0.72 64 2.1 4 4 1.93 4 4 1.22 42- - -0.85220.722
0.55 0.75 - 0.75 69 2.7 4 4 2.3 4 4 1.5 42- - -1.2420.922
0.75 1 1 0.8 74 3.3 6 4 3.1 6 4 2 4 42 4 41.484 21.12 2
1.1 1.5 1.5 0.83 77 4.9 10 6 4.1 6 6 2.6 442.5442.1441.542
1.5 2 2 0.83 78 6.2 10 10 5.6 10 10 3.5 643.5642.6442 44
2.2 3 3 0.83 81 8.7 16 10 7.9 16 10 5 10 65 10 63.86 62.96 4
2.5 3.4 - 0.83 81 9.8 16 16 8.9 16 10 5.7 1010---4.366---
3 4 4 0.84 81 11.6 20 16 10.6 20 16 6.6 16 10 6.5 16 10 5.1 10 10 3.5 6 4
3.75 5 0.848214.2252013 2516 8.2 16 10 7.5 16 10 6.2 16 10 - - -
4 5.5 - 0.84 82 15.3 25 20 14 25 20 8.5 16 10 - - - 6.5 16 10 4.9 10 6
5.5 7.5 7.5 0.85 83 20.6 35 25 18.9 35 25 11.5 20 16 11 20 16 8.9 16 10 6.7 16 10
7.51010 0.868527.4353524.8353515.5 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 20 13 25 16
12.5 17 - 0.86 87 43.8 63 50 40.2 63 50 25 35 35 - - - 19 35 25 - - -
15 20 20 0.86 87 52.6 80 63 48.2 80 63 30 50 35 28 35 35 22.5 35 25 17.5 25 20
18.5 25 25 0.86 88 64.9 100 80 58.7 80 63 37 63 50 35 50 50 28.5 50 35 21 35 25
20 27 - 0.86 88 69.3 100 80 63.4 80 80 40 63 50 - - - 30.6 50 35 - - -
22 30 30 0.87 89 75.2 100 80 68 100 80 44 63 50 40 63 50 33 50 50 25 35 35
25 34 - 0.87 89 84.4 125 100 77.2 100 100 50 80 63 - - - 38 63 50 - - -
30 40 40 0.87 90 101 125 125 92.7 125 100 60 80 63 55 80 63 44 63 50 33 50 35
37 50 50 0.87 90 124 160 160 114 160 125 72 100 80 66 100 80 54 80 63 42 63 50
40 54 - 0.87 90 134 160 160 123 160 160 79 100 100 - - - 60 80 63 - - -
45 60 60 0.88 91 150 200 160 136 200 160 85 125 100 80 100 100 64.5 100 80 49 63 63
51 70 - 0.88 91 168 200 200 154 200 200 97 125 100 - - - 73.7 100 80 - - -
55 75 - 0.88 91 181 250 200 166 200 200 105 160 125 - - - 79 125 100 60 80 63
59 80 80 0.88 91 194 250 250 178 250 200 112 160 125 105 160 125 85.3 125 100 - - -
75 100 100 0.88 91 245 315 250 226 315 250 140 200 160 135 200 160 106 160 125 82 125 100
90 125 125 0.88 92 292 400 315 268 315 315 170 250 200 165 200 200 128 160 160 98 125 125
110 150 150 0.88 92 358 500 400 327 400 400 205 250 250 200 250 250 156 200 200 118 160 125
129 175 175 0.88 92 420 500 500 384 500 400 242 315 250 230 315 250 184 250 200 - - -
132 180 - 0.88 92 425 500 500 393 500 500 245 315 250 - - - 186 250 200 140 200 160
147 200 200 0.88 93 472 630 630 432 630 500 273 315 315 260 315 315 207 250 250 - - -
160 220 - 0.88 93 502 630 630 471 630 630 295 400 315 - - - 220 315 250 170 200 200
184 250 250 0.88 93 590 800 630 541 630 630 340 400 400 325 400 400 259 315 315 - - -
200 270 - 0.88 93 626 800 800 589 800 630 370 500 400 - - - 278 315 315 215 250 250
220 300 300 0.88 93 700 1000 800 647 800 800 408 500 500 385 500 400 310 400 400 - - -
250 340 - 0.88 93 803 1000 1000 736 1000 800 460 630 500 - - - 353 500 400 268 315 315
257 350 350 0.88 93 826 1000 1000 756 1000 800 475 630 630 450 630 500 363 500 400 - - -
295 400 400 0.88 93 948 1250 1000 868 1000 1000 546 800 630 500 630 630 416 500 500 - - -
315 430 - 0.88 93 990 1250 1250 927 1250 1000 580 800 630 - - - 445 630 500 337 400 400
355 483 - 0.89 95 - - - - - - 636 800 800 - - - 483 630 630 366 500 400
400 545 - 0.89 96 - - - - - - 710 1000 800 - - - 538 630 630 410 500 500