Page 133 - Motor protection and control Manual motor starters, contactors and overload relays

ABB MOTOR PROTECTION AND CONTROL 3/59

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AF1250 ... AF2850 3-pole contactors
Technical data

Main pole - Utilization characteristics according to UL / NEMA / CSA 03
Contactor types AC / DC operated AF1250 AF1350 AF1650 AF2050 AF2650 AF2850
Standards UL 60947-1 / 60947-4-1 and CSA C 22.2 N°60947-1 / 60947-4-1
Maximum operational voltage 1 000 V
NEMA size – – 8 – – –
NEMA maximum horse power ratings
1-phase, 60 Hz 115 V AC –
230 V AC –
NEMA maximum horse power ratings
3-phase, 60 Hz 200 V AC – – – – – –
230 V AC 300 hp – 450 hp – – –
460 V AC 600 hp – 900 hp – – –
575 V AC 600 hp – 900 hp – – –
UL / CSA general use rating
1000 V AC 1210 A 1350 A 1650 A 2100 A 2700 A 2850 A
3 poles in serie 600 V DC 1210 A – – – – –
UL / CSA maximum 1-phase motor rating
Full load current 120 V AC – – – – – –
240 V AC – – – – – –
Horse power rating 120 V AC – – – – – –
240 V AC – – – – – –
UL / CSA maximum 3-phase motor rating
Full load current (1) 200-208 V AC – 954 A 1030 A – – –
220-240 V AC – 954 A 1030 A – – –
440-480 V AC – 954 A 1030 A – – –
550-600 V AC – 944 A 1050 A – – –
Horse power rating (1) 200-208 V AC – – – – – –
220-240 V AC – 400 hp 450 hp – – –
440-480 V AC – 800 hp 900 hp – – –
550-600 V AC – 1000 hp 1150 hp – – –
Short-circuit protection device for contactors
without thermal overload relay - Motor protection excluded
Fuse rating 1200 A Please consult us for coordination
Fuse type, 600 V L with circuit-breaker
Maximum electrical switching frequency
For general use 300 cycles/h 60 cycles/h 15 cycles/h 15 cycles/h
For motor use 300 cycles/h 60 cycles/h – –
(1) For the corresponding kW/A or hp/A values of 1500 r.p.m, 50 Hz or 1800 r.p.m, 60 Hz, 3-phase motors, see “Motor rated operational
powers and currents”.

1SFC101111C0201 - Rev. G 1SFC101111C0201