Page 345 - ABB_Motor _Protection_and_Control_catalogue_20221216

ABB MOTOR PROTECTION AND CONTROL 3/269

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NF 4-pole contactor relays
Contactor relays and main accessories

03
NF
contactor relay

CAL4-11
2-pole auxiliary
contact block
WA4
TEF4 Mechanical
Electronic latching unit
timer
BX4-CA
BX4-CA Protective cover
CA4
BX4 CA4 4-pole auxiliary Protective cover
Protective cover 1-pole auxiliary contact block
contact block

Main accessory fitting details - for ordering details, technical data and other accessories: see section accessories
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 Electronic timer Mechanical latching Auxiliary contact blocks
unit
2-pole CAL4-11
1-pole CA4 4-pole CA4 TEF4 WA4 (3) Left side Right side
NF(Z)
NF 2 2 E (1) 4 max. or 1 or 1 or 1 + 1 –
3 1 E (1) 2 max. – or 1 or 1 + 1 + 1
4 0 E (2)
NFZ 24 V DC designed for PLC - coil 30
NFZ 2 2 E (1) 4 max. or 1 or 1 – or 1 + 1
3 1 E (1) 2 max. – or 1 – + 1 –
4 0 E (2) – – 1 – + 1 + 1
(1) Including add-on contacts: 3 N.C. auxiliary contacts max. on positions 1, 2, 3, 4 and 2 N.C. max. on positions 1 ±30°, 5.
(2) Including add-on contacts: 4 N.C. auxiliary contacts max. on positions 1, 2, 3, 4 and 3 N.C. max. on positions 1 ±30°, 5.
(3) Accept 1-pole CA4 auxiliary contacts (1 block on each side of the mechanical latch) in respect to the total number of additional N.C. auxiliary contacts.
For WA4, accessory use with contactor relays coil 30, please consult your ABB local sales organization.