Mini Motor Contactor
J7KNA
9
Mini Motor Contactors
Data according to IEC 947-5-1, VDE 0660, EN 60947-5-1
Auxiliary Contacts
Type
J7KNA-09...
J7KNA-12...
J7KNA-09...D(VS)
*1
J7KNA-12...D(VS)
J73KN-A...
Rated insulation voltage U
i
V AC 690
*2
690
*1
690
*1
Thermal rated current I
th
to 690V
Ambient temperature
40°C
A
10
10
10
60°C
A
6
6
6
Power loss
per pole
at I
th
W
0.5
0.5
0.5
Utilization category AC15
Rated operational current I
e
220-240V
A
3
3
3
380-415V
A
2
2
2
440V
A
1.6
1.6
1.6
500V
A
1.2
1.2
1.2
660-690V
A
0.6
0.6
0.6
Utilization category DC13
Rated operational current I
e
60V
A
2
2
2
110V
A
0.4
0.4
0.4
220V
A
0.1
0.1
0.1
Maximum ambient temperature
Operation
open
°C
-40 to +60 (+90)
*3
enclosed
°C
-40 to +40
Storage
°C
-40 to +90
Short circuit protection
short-circuit current 1kA,
contact welding not accepted
max. fuse size
gL (gG)
A
20
20
20
For contactors with thermal overload relay the
device with the smaller admissible control fuse
(contactor or thermal overload relay)
determines the fuse size.
Power consumption of coils
AC operated
inrush
VA
25
-
-
sealed
VA
4 - 5
-
-
W
1.2
-
-
DC operated
inrush
W
-
2.5
-
sealed
W
-
2.5
-
Operation range of coils
in multiples of control voltage U
s
0.85 - 1.1
0.8 - 1.1
-
Switching time
at control voltage U
s
±10%
*4,*5
AC operated
make time
ms
15 - 25
-
-
release time
ms
8 - 25
-
-
arc duration
ms
10 -15
-
-
DC operated
make time
ms
-
15 - 19
-
release time
ms
-
8 - 25 (35)
*1
-
arc duration
ms
-
10 -15
-
