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 Typ e 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 - - -
W1.2---
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
