46
Motor Contactor
J7KN
A
uxiliary Contacts
Type
J7KN-85
J7KN-110
J7KN-151
J7KN-176
J7KN-200
Rated insulation voltage U
i
*1
*1
Suitable for: earthed-neutral systems, overvoltage category I to IV, pollution degree 3
(standard-industry): U
imp
= 8kV. Data for other conditions on request
V~
690
690
690
690
690
Thermal rated current I
th
to 690V
Ambient temperature
40°C A
16
16
10
10
10
60°C A
12
12
-
-
-
Utilization category AC15
Rated operational current I
e
220-240V A
12
12
3
3
3
380-415V A
6
6
2
2
2
440V A
6
6
1,5
1,5
1,5
500V A
4
4
1,5
1,5
1,5
660-690V A
2
2
1
1
1
Utilization category DC13
Rated operational current I
e
60V A
8
8
-
-
-
110V A
1
1
0,5
0,5
1
220V A
0,1
0,1
0,2
0,2
0,5
Short circuit protection
short-circuit current 1kA,
contact welding not accepted
max. fuse size
gL (gG) A
25
25
10
10
10
For contactors with thermal overload relay the device with
the smaller admissible control fuse (contactor or thermal
overload relay) determines the fuse.
Control Circuit
Power consumption of coils
AC operated
inrush 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 U
s
AC operated
0,85-1,1
0,85-1,1
0,85-1,1
0,85-1,1
DC operated
0,8-1,1
0,85-1,1
0,85-1,1
0,85-1,1
Switching time
at control voltage U
s
±10%
*2
,
*3
*2
Total breaking time = release time + arc duration
*3
Values for delay of the release time of the making contact and the make time of the
break contact will be increased, if magnet coils are protected against voltage peaks
(varistor, RC-unit, diode-unit)
AC operated
make time ms
13-30
30-60
30-60
40-60
release time ms
8-15
30-80
30-80
15-45
arc duration ms
10-15
-
-
DC operated
make time ms
20-30
-
-
-
release time ms
10-18
-
-
-
arc duration ms
10-15
-
-
-
Cable cross-section
Auxiliary connector
solid mm² 0,75-2,5
-
0,75-2,5
flexible mm² 0,75-2,5
-
0,75-2,5
flexible with multicore cable end
mm² 0,5-1,5
-
Magnet coil
solid mm² 0,75-2,5
1-2,5
flexible mm² 0,5-2,5
1-2,5
flexible with multicore cable end mm² 0,5-1,5
-
Clamps per pole
14 - 12
16 - 12
Auxiliary connector
solid AWG 18 - 12
-
16 - 12
flexible AWG 14 - 12
-
16 - 12
Magnet coil
solid AWG 18 - 12
16 - 12
flexible AWG 2
2
Clamps per pole
0,75-2,5
0,75-2,5
