Motor Contactor
J7KN
45
Contactors
Data according to IEC 947-4-1, EN 60947-4-1, VDE 0660
A
uxiliary Contacts
Type
J7KN-10
J7KN-14
J7KN-18
J7KN-22
J7KN-24
J7KN-32
J7KN-40
J7KN-50
J7KN-62
J7KN-74
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 con-
ditions on request
V~
690
690
690
690
-
-
-
-
-
-
Thermal rated current I
th
to 690V
Ambient temperature
40°C A
16
16
16
16
-
-
-
-
-
-
60°C A
12
12
12
12
-
-
-
-
-
-
Utilization category AC15
Rated operational current I
e
220-240V A
12
12
12
12
-
-
-
-
-
-
380-415V A
4
4
4
4
-
-
-
-
-
-
440V A
4
4
4
4
-
-
-
-
-
-
500V A
3
3
3
3
-
-
-
-
-
-
660-690V A
1
1
1
1
-
-
-
-
-
-
Utilization category DC13
Rated operational current I
e
60V A
8
8
8
8
-
-
-
-
-
-
110V A
1
1
1
1
-
-
-
-
-
-
220V A
0,1
0,1
0,1
0,1
-
-
-
-
-
-
Short circuit protection
short-circuit current 1kA,
contact welding not accepted
max. fuse size
gL (gG) A
25
25
25
25
-
-
-
-
-
-
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
33-45
90-115
140-165
sealed VA
7-10
9-13
13-18
W
2,6-3
2,7-4
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 U
s
AC operated
0,85-1,1
0,85-1,1
0,85-1,1
DC operated
0,8-1,1
0,8-1,1
0,8-1,1
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
8-16
10-25
12-28
release time ms
5-13
8-15
8-15
arc duration ms
10-15
10-15
10-15
DC operated
make time ms
8-12
10-20
12-23
release time ms
8-13
10-15
10-18
arc duration ms
10-15
10-15
10-15
DC solenoid operated
make time ms
65-85
65-85
-
release time ms
20-30
*4
*4
with integrated suppressor
20-30
*4
-
arc duration ms
10-15
10-15
-
Cable cross-section
Auxiliary connector
solid mm² 0,75-6
-
-
flexible mm² 1-4
-
-
flexible with multicore cable end
mm² 0,75-4
-
-
Magnet coil
solid mm² 0,75-2,5
0,75-2,5
0,75-2,5
flexible mm² 0,5-2,5
0,5-2,5
0,5-2,5
flexible with multicore cable end mm² 0,5-1,5
0,5-1,5
0,5-1,5
Clamps per pole
2
2
2
Auxiliary connector
solid AWG 18 - 10
-
-
flexible AWG 18 - 10
-
-
Magnet coil
solid AWG 14 - 12
14 - 12
14 - 12
flexible AWG 18 - 12
18 - 12
18 - 12
Clamps per pole
2
2
2
