Page 82 - Contactors_Catalogue

3/30 ABB MOTOR CONTROL AND PROTECTION FOR ROLLING STOCK APPLICATIONS

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AF50 … AF95B 3-pole contactors
Technical data

Connecting characteristics
Contactor types AF50 AF63 AF75 AF95B
Main terminals

Screw terminals Screw terminals
with single with single
connector connector
03
(13 x 10 mm) (14 x 14 mm)
Connection capacity (min. ... max.)
Main conductors (poles)
Rigid Solid (≤ 4 mm²) 1 x 6...50 mm² 10...95 mm²
Stranded (≥ 6 mm²) 2 x 6...25 mm² 6...35 mm²
Flexible with ferrule 1 x 6...35 mm² 10…70 mm² (1)
2 x 6...16 mm² 6…35 mm² (1)
Bars or lugs L ≤ – 30 mm (2)
l L
l > – 6 mm
Connection capacity acc. to UL/CSA 1 or 2 x AWG 8…1 AWG 6…2/0
Stripping length 16 mm
Tightening torque Recommended 4.00 Nm / 35 lb.in 8 Nm / 71 lb.in
Max. 4.50 Nm 9 Nm
Auxiliary conductors
(built-in auxiliary terminals + coil terminals)
Rigid solid 1 x 1…4 mm² 0.75…2.5 mm²
2 x 1…4 mm² 0.75…2.5 mm²
Flexible with ferrule 1 x 1…2.5 mm² 0.75…2.5 mm²
2 x 0.75…2.5 mm²
Lugs L ≤ 8 mm
l L
l > 3.7 mm
Connection capacity acc. to UL/CSA 1 or 2 x AWG 18...14
Stripping length 10 mm
Tightening torque
Coil terminals Recommended 1.00 Nm / 9 lb.in
Max. 1.20 Nm
Degree of protection
acc. to IEC 60947-1 / EN 60947-1 and IEC 60529 / EN 60529
Main terminals IP10
Coil terminals IP20
Screw terminals Delivered in open position, screws of unused terminals must be tightened
Main terminals M6 M8
Screwdriver type Flat Ø 6.5 / Pozidriv 2 Hexagon socket
(s = 4 mm)
Coil terminals M3.5
Screwdriver type Flat Ø 5.5 / Pozidriv 2
(1) AF95B: use flexible without ferrule.
(2) With LW110 enlargement piece, see “Accessories”.

1SBC100138S0201 - Rev. A