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AUXILIARY SWITCH NHI-PKZ0
Part no. NHI-E-11-PKZ0
Article no. 082882
For motor-protective circuit-breakers
Delivery programme
Contacts
N/O = Normally open 1 N/O
N/C = Normally closed 1 N/C
Contact diagram
Contact sequence
Connection technique Screw terminals
For use with PKZM01
PKZM0
PKZM4
PKZM0-T
PKM0
Notes
Can be fitted to motor-protective circuit-breakers, transformer-protective circuit-breakers, motor-protective circuit-breakers for starter combinations from Serial No. 01.
The 45 mm (PKZM0) or 55 mm (PKZM4) widths of the motor-protective circuit-breakers remain unchanged.
Notes
Accessories
1 Motor-protective circuit-breakers # 072730
5 Trip-indicating auxiliary contact # 072898
Additional accessories # 106132
Auxiliary contacts
Rated impulse withstand voltage Uimp V AC 4000
Overvoltage category/pollution degree III/3
Rated operational voltage UeV
UeV AC 440
UeV DC 250
Safe isolation to VDE 0106 Part 101 and Part 101/A1
Between auxiliary contacts and main contacts V AC 690
Rated operational current IeA
AC–15
220 – 240 V IeA 1
DC-13 L/R – 100 ms
24 V IeA 2
Lifespan S
Lifespan, mechanical Operations × 106> 0.1
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Lifespan, electrical Operations × 1060.1
Control circuit reliability (at Ue = 24 V DC, Umin = 17 V, I min= 5.4
mA) Failure rate # < 10-8 < 1 failure at 1 × 108 operations
Short-circuit rating without welding
Fuse A gG/gL 10
Terminal capacities
Solid or flexible conductor with ferrule mm20.75 – 1.5
Solid or stranded AWG 18 – 16
Dimensions
PKZM0-...(+NHI-E-...-PKZ0)
PKZM0-...-T(+NHI-E-...-PKZ0)
PKM0-...(+NHI-E-...-PKZ0)