Mini Motor Contactor
J7KNA
7
Utilization category DC1
Switching of resistive load
1 pole 24V
A
20
20
Time constant L/R
1ms
60V
A
20
20
Rated operational current I
e
110V
A
5
5
220V
A
0.6
0.6
3 poles in series 24V
A
20
20
60V
A
20
20
110V
A
20
20
220V
A
16
16
Utilization category DC3 and DC5
Switching of shunt motors
1 pole 24V
A
20
20
and series motors
60V
A
5
5
Time constant L/R
15ms
110V
A
1
1
Rated operational current I
e
220V
A
0.15
0.15
3 poles in series 24V
A
20
20
60V
A
20
20
110V
A
20
20
220V
A
2
2
Maximum ambient temperature
Operation
open
°C
-40 to +60 (+90)
*2
enclosed
°C
-40 to +40
with thermal overload relay
open
°C
-25 to +60
enclosed
°C
-25 to +40
Storage
°C
-50 to +90
Short circuit protection
for contactors without thermal overload relay
Coordination-type "1" according to IEC 947-4-1
Contact welding without hazard of persons
max. fuse size
gL (gG)
A
40
40
Coordination-type “2” according to IEC 947-4-1
Light contact welding accepted
max. fuse size
gL (gG)
A
25
25
Contact welding not accepted
max. fuse size
gL (gG)
A
10
10
For contactors with thermal overload relay the
device with the smaller admissible backup fuse
(contactor or thermal overload relay) determines the fuse size.
Cable cross-sections
for contactors without thermal overload relay
main connector
solid or stranded
mm² 0.5 - 2.5
0.5 - 2.5
flexible mm² 0.5 - 2.5
0.5 - 2.5
flexible with multicore cable end
mm² 0.5 - 1.5
0.5 - 1.5
Cables per clamp
2
2
solid or stranded
AWG 18 - 14
18 - 14
Mini Motor Contactors
Data according to IEC 947-4-1, VDE 0660, EN 60947-4-1
Main Contacts
Type
J7KNA-09-...
J7KNA-12-...
