Page 282 - contactors_motor_protection_for_rolling_stock_application

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

Technical data

Connecting characteristics
Contactor types NF(Z)B..RT
Main terminals

3 Conductors with insulated ring tongue ferrule
Connection capacity (min. ... max.)
Main conductors (poles)
Flexible with insulated ferrule 1 or 2 x 0.75...2.5 mm²
Ø mm > 3.5 mm
E max
L mm < 8 mm
P P mm < 4.1 mm
L E mm < 2.9 mm
Connection capacity acc. to UL/CSA 1 or 2 x AWG 18...14
Tightening torque 1.2 Nm / 11 Ib.in
Coil conductors
Flexible with insulated ferrule 1 or 2 x 0.75...2.5 mm²
Ø mm > 3.5 mm
E max
L mm < 8 mm
P P mm < 4.7 mm
L E mm < 2.9 mm
Connection capacity acc. to UL/CSA 1 or 2 x AWG 18...14
Tightening torque 1.2 Nm / 11 Ib.in
Degree of protection
acc. to IEC 60947-1 / EN 60947-1 and IEC 60529 / EN 60529
All terminals IP10
Front face IP20
Screw terminals Delivered in open position (1)
Main terminals M3.5
Screwdriver type Flat Ø 5.5 / Pozidriv 2
Coil terminals M3.5
Screwdriver type Flat Ø 5.5 / Pozidriv 2
(1) Screws of unused terminals must be tightened with a max. tightening torque of 0.5 Nm / 4.58 lb.in.

1SBC101816S0201 - Rev. A

3/102 | ABB