Page 150 - contactors_motor_protection_for_rolling_stock_application

NF(Z)B 4 and 8-pole contactor relays

Main accessories

Contactor relays and main accessories (other accessories available)

2 NF(Z)B 4-pole contactor relay NF(Z)B 8-pole contactor relay

BX4-CA
Protective cover
BX4-CA
CAL4-11 CA4 Protective cover CAL4-11
2-pole auxiliary 4-pole auxiliary 2-pole auxiliary
contact block contact block
contact block
CA4
1-pole auxiliary
BX4 contact block
Protective cover

Main accessory fitting details
Many configurations of accessories are possible depending on whether these are front-mounted or side-mounted.
Contactor relay Main Front-mounted accessories Side-mounted accessories
types poles Auxiliary contact blocks Auxiliary contact blocks

Left side Right side
1-pole CA4 4-pole CA4 2-pole CAL4-11
Max. add-on N.C. auxiliary contacts: 3 N.C. max. on positions 1, 2, 3, 4 and 2 N.C. max. on position 5
NF(Z)B 2 2 E 4 max. or 1 + 1 –
3 1 E 2 max. – + 1 + 1
Max. add-on N.C. auxiliary contacts: 4 N.C. max. on positions 1, 2, 3, 4 and 3 N.C. max. on position 5
NF(Z)B 4 0 E 4 max. or 1 + 1 –
2 max. – + 1 + 1
NF(Z)B 4 4 E – – + 1 –
6 2 E
8 0 E

1SBC101761S0201 - Rev. A

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