Page 146 - Motor protection and control Manual motor starters, contactors and overload relays

3/72 ABB MOTOR PROTECTION AND CONTROL

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AF1250 ... AF2850 3-pole contactors
Technical data

Connecting characteristics
Contactor types AC / DC operated AF1250 AF1350 AF1650 AF2050 AF2650 AF2850
03
Main terminals 80
Flat type 40
50 27 80
27 10 80 25
8 17 10 40 40 17
15.5 17
30
ø 13 25 ø 13 30 40
10
ø 13 10 ø 13
AF1250 AF1350, AF1650 AF2050 13 AF2650, AF2850
Connection capacity (min. ... max.)
Main conductors (poles)
Cu cable - Stranded 2 x –
Clamp type –
Tightening torque –
Cu cable - Stranded 3 x –
Clamp type –
Tightening torque –
Al cable - Stranded 2 x –
Clamp type –
Tightening torque –
3 x –
Clamp type –
Tightening torque –
ø Lugs L ≤ 50 mm 100 mm
L
Ø > 12 mm
Tightening torque 45 Nm / 398 lb.in
Connection capacity acc. to UL / CSA 2 x 2// 3 x 0.25 in 4/0 AWG - 500 MCM 4//4 x 0.25 in
Clamp type bars, use LW1250 K7TK K7TK bars
ATK1350/4
Tightening torque 375 Ib.in –
Connection capacity acc. to UL / CSA 3 x 2/0 AWG-500 MCM 1/0-750 MCM –
Clamp type – K8TL, K8TM, K8TL, –
ATK1650/4 K8TM,
ATK1650/4,
ATK1650/6
Tightening torque 375 Ib.in 500 Ib.in –
Auxiliary conductors
(coil terminals)
Solid / stranded 1 x 1...4 mm²
2 x 1...4 mm²
Flexible 1 x 0.75...2.5 mm²
2 x 0.75...2.5 mm²
Flexible with non insulated ferrule 1 x 0.75...2.5 mm²
2 x 0.75...2.5 mm²
Flexible with insulated ferrule 1 x 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
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 IP00
Coil terminals IP20
Screw terminals
Main terminals M12
Screws and bolts
Coil terminals (delivered in open position) M3.5
Screwdriver type Flat Ø 5.5 mm / Pozidriv 2
1SFC101115C0201 - Rev. C