Datasheet

6 Micro Motor Contactor/Contactor Relay J7KNU
Data according to IEC 60947-4-1, EN 60947-4-1, VDE 0660
Auxiliary Contacts Type J7KNU-05… J7KNU-05R J7KNU-AR…
Rated insulation voltage U
i
V~ 440
*1
*1
Suitable at 440 V for: earthed-neutral systems, overvoltage category I to III, pollution degree 3 (standard-industry): U
imp
= 4 kV. Data for
other conditions on request.
Thermal rated current l
th
to 440 V
Ambient temperature 40°C A 5
60°C A 3
Verlustleistung pro Pol at I
th
W0.25
Utilization category AC15
Rated operational current l
e
220-240 V A 3
380-415 V A 1.5
440 V A 1
Utilization category DC13
Rated operational current l
e
60 V A 0.5
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 rated current I
e
/AC1 according to I
e
/AC3
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 10
For contactors with thermal overload relay the device with the smaller admissible control
fuse (contactor or thermal overload relay) determines the fuse.
Power consumption of coils
AC operated inrush VA 9
sealed VA 4
W1.8
DC operated W 2.5
Operation range of coils
in multiples of control voltage U
s
AC operated 0.85-1.1
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).
DC operated 0.8-1.1
AC operated make time ms 13-18
release time ms 5-10
arc duration ms 10-15
DC operated make time ms 10-20
release time ms 2-10
arc duration ms 10-15
Cable cross-section
Auxiliary connector solid mm
2
0.5-1.5
flexible mm
2
0.5-1.5
flexible with multicore cable end mm
2
0.5-1.5
Clamps per pole 2
solid or stranded AWG 20-14