Page 129 - Contactors_Catalogue

ABB MOTOR CONTROL AND PROTECTION FOR ROLLING STOCK APPLICATIONS 3/77

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AF45 ... AF75 4-pole contactors
Technical data

Connecting characteristics
Contactor types AF45 AF50 AF75
Main terminals

Screw terminals with single connector
(13 x 10 mm)
Connection capacity (min. ... max.) 03
Main conductors (poles)
Rigid Solid (≤ 4 mm²) 1 x 6…50 mm²
Stranded (≥ 6 mm²) 2 x 6…25 mm²
Flexible with ferrule 1 x 6…35 mm²
2 x 6…16 mm²
Bars or lugs L ≤ -
l L
l > -
Connection capacity acc. to UL/CSA 1 or 2 x AWG 8…1
Stripping length 16 mm
Tightening torque Recommended 4.00 Nm / 35 lb.in
Max. 4.50 Nm
Auxiliary conductors
(built-in auxiliary terminals + coil terminals)
Rigid solid 1 x 1…4 mm²
2 x 1…4 mm²
Flexible with ferrule 1 x 1…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 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
Screwdriver type Flat Ø 6.5 / Pozidriv 2
Coil terminals M3.5
Screwdriver type Flat Ø 5.5 / Pozidriv 2

1SBC100147S0201