Mini Contactor Relays 4-pole
J7KNA-AR
11
■
Engineering data and Characteristics
Mini Contactor Relays
Data according to IEC 947-5-1, VDE 0660, EN 60947-5-1
AC
DC
DC + Diode
Auxiliary Contacts
Type
J7KNA-AR...
J7KNA-AR...D
J7KNA-AR...VS
J73KN-A...
Rated insulation voltage U
i
V AC 690
*1
*1) Suitable at 690V for: earthed-neutral systems, overvoltage category I to IV, pollution degree 3 (standard-industry): U
imp
= 8kV.
Data for other conditions on request.
690
*1
690
*1
690
*1
Thermal rated current I
th
to 690V
Ambient temperature
40°C
A
10
10
10
10
60°C
A
6
6
6
6
Power loss
per pole
at I
th
W
0.5
0.5
0.5
0.5
Utilization category AC15
Rated operational current I
e
220-240V
A
3
3
3
3
380-415V
A
2
2
2
2
440V
A
1.6
1.6
1.6
1.6
500V
A
1.2
1.2
1.2
1.2
660-690V
A
0.6
0.6
0.6
0.6
Utilization category DC13
Rated operational current I
e
60V
A
2
2
2
2
110V
A
0.4
0.4
0.4
0.4
220V
A
0.1
0.1
0.1
0.1
Maximum ambient temperature
Operation
open
°C
-40 to +60 (+90)
*2
*2) With reduced control voltage range 0.9 up to 1.0 x U
s
and with reduced thermal rated current I
th
to I
e
/AC15
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
20
Power consumption of coils
AC operated
inrush
VA
25
-
-
-
sealed
VA
4 - 5
-
-
-
W
1.2
-
-
-
DC operated
inrush
W
-
2.5
2.5
-
sealed
W
-
2.5
2.5
-
Operation range of coils
in multiples of control voltage U
s
0.85 - 1.1
0.8 - 1.1
0.8 - 1.1
-
Switching time
at control voltage U
s
±10%
*3,*4
*3) Summary switching time = release time + arc duration
*4) Release time of NC make time of NO increase when suppressor units for voltage peak protection are used (Varistor, RC-units, Diode units).
AC operated
make time
ms
15 - 25
-
-
-
release time
ms
8 - 25
-
-
-
arc duration
ms
10 -15
-
-
-
DC operated
make time
ms
-
15 - 19
15 - 19
-
release time
ms
-
8 - 25
8 - 25
-
arc duration
ms
-
10 -15
10 -15
-
Cable cross-section
all connectors
solid
mm² 0.75 - 2.5
0.75 - 2.5
0.75 - 2.5
0.75 - 2.5
flexible
mm² 0.75 - 2.5
0.75 - 2.5
0.75 - 2.5
0.75 - 2.5
flexible with multicore cable end
mm² 0.5 - 1.5
0.5 - 1.5
0.5 - 1.5
0.5 - 2.5
Clamps per pole
2
2
2
2
solid or stranded
AWG 18 - 14
18 - 14
18 - 14
18 - 14
