Datasheet
18 Motor Contactor J7KN
Contactors
Data according to IEC 60947-4-1, EN 60947-4-1, VDE 0660
Auxiliary Contacts Type J7KN-10D/14D/18D/22D J7KNG-10/14/18/22 J7KN(G)-24/32/40 J7KN-50/62/74
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 conditions on request.
V~ 690 – –
Thermal rated current l
th
to 690V
Ambient temperature 40°C A 10 16 – –
60°C A 6 12 – –
Utilization category AC15
Rated operational current l
e
220-240V A 3 12 – –
380-415VA24––
440V A 1,6 4 – –
500V A 1,2 3 – –
660-690V A 0,6 1 – –
Utilization category DC13
Rated operational current l
e
60V A 3,5 8 – –
110V A 0,5 1 – –
220V A 0,1 0,1 – –
Short circuit protection
Short-circuit current 1kA,
contact welding not accepted
For contactors with thermal overload relay the device with the smaller admissible control fuse
(contactor or thermal overload relay) determines the fuse.
max. fuse size
gL (gG) A 25 – –
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
double winding coil sealed W 2 2 6
DC solenoid operated inrush W 3 4 –
(J7KNG) 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
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 –
(J7KNG) release time ms 20-30
*4
20-30
*4
–
arc duration ms 10-15 10-15 –
Cable cross-section
Auxiliary connector
solid mm
2
0,75-6 – –
flexible mm
2
1-4 – –
flexible with multicore cable end mm
2
0,75-4 – –
Magnet coil solid mm
2
0,75-2,5 0,75-2,5 0,75-2,5
flexible mm
2
0,5-2,5 0,5-2,5 0,5-2,5
flexible with multicore end mm
2
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