42
Motor Contactor
J7KN
Main Contacts
Type J7KN-85
J7KN-110
J7KN-151
J7KN-176
J7KN-200
Rated insulation voltage U
i
*1
V AC 750
750
690
690
690
Making capacity I
eff
at U
e
= 690V AC A
1100
1200
1500
1800
1700
Breaking capacity I
eff
400V AC A
950
1100
1200
1400
1600
J7KN-10 to J7KN-22 cos
ϕ
= 0,65
500V AC A
850
1000
1200
1400
1600
J7KN-24 to J7KN-72 cos
ϕ
= 0,35
690V AC A
600
600
700
800
1200
1000V AC A
-
-
-
-
-
Utilization category AC1
Switching of resistive load
Rated operational current I
e
(=I
th
) at 40°C, open
A
150
170
230
250
350
Rated operational power
of three-phase resistive loads
50-60Hz, cos
ϕ
= 1
220V kW
57
64
87
95
133
230V kW
59
67
91
99
139
240V kW
62
70
95
103
145
380V kW
98
111
151
164
230
400V kW
103
117
159
173
242
415V kW
107
122
165
179
251
440V kW
114
129
175
190
266
500V kW
130
147
199
216
303
660V kW
171
194
262
285
400
690V kW
179
203
274
298
418
1000V kW
-
-
398
433
-
Rated operational current I
e
(=I
the
) at 60°C, enclosed A
100
125
180
200
280
Rated operational power
of three-phase resistive loads
50-60Hz, cos
ϕ
= 1
220V kW
38
47
68
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
142
205
228
320
690V kW
119
149
215
239
334
1000V kW
-
-
-
-
-
Minimum cross-section of conductor
at load with I
e
(=I
th
)
mm² 50
70
95
120
185
Utilization category AC2 and AC3
Switching of three-phase motors
Rated operational current I
e
open and enclosed
220V A
85
110
150
175
210
230V A
85
110
150
175
210
240V A
85
110
150
175
210
380-400V A
85
110
150
175
210
415V A
85
110
150
175
210
440V A
85
110
150
175
210
500V A
60
60
150
175
210
660-690V A
57,5
57,5
120
140
150
1000V A
-
-
60
70
-
Rated operational power
of three-phase motors
50-60Hz
220-230V kW
25
33
40
50
60
240V kW
27
35
45
55
65
380-400V kW
45
55
75
90
110
415V kW
49
63
80
95
115
440V kW
49
63
85
100
125
500V kW
55
75
90
100
132
660-690V kW
55
55
110
132
132
1000V kW
-
-
75
90
-
Utilization category AC4
Switching of squirrel cage motors, inching
Rated operational current I
e
(=I
th
)
open and enclosed
220V
A
85
98
55
63
85
230V
A
85
98
55
63
85
240V
A
85
98
55
63
85
380-400V
A
85
85
55
63
85
415V
A
85
85
55
63
85
440V
A
85
85
55
63
85
500V
A
85
85
-
-
-
660V
A
60
60
-
-
-
690V
A
57,5
57,5
-
-
-
1000V
A
-
-
-
-
-