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ABB CONTACTOR 1050A AC1 750A AC3 3P 3NO 250-500VACDC COIL AF750301171

Product Code: AF750301171

Technical Specifications

Cable Sections - Auxiliary Circuit Flexible with Ferrule 2x 0.75 ... 2.5 mm² Flexible with Insulated Ferrule 2x 0.75 ... 2.5 mm² Flexible 2x0.75 ... 2.5 mm² Solid 2 x 1 ... 4 mm² Stranded 2 x 1 .... 4 mm²
Cable Sections - Main Circuit Bar 52 mm² Rigid Al-Cable 300 mm² Rigid Cu-Cable 300 mm²
Clamp Type Main Circuit: Bars
Coil Consumption Holding at Max. Rated Control Circuit Voltage 50 Hz 12 V·A Holding at Max. Rated Control Circuit Voltage 60 Hz 12 V·A Holding at Max. Rated Control Circuit Voltage DC 7.5 V·A Pull-in at Max. Rated Control Circuit Voltage 50 Hz 985 V·A Pull-in at Max. Rated Control Circuit Voltage 60 Hz 985 V·A Pull-in at Max. Rated Control Circuit Voltage DC 910 V·A
Coil Operating Limits (acc. to IEC 60947-4-1) 0.85 x Uc Min. ... 1.1 x Uc Max. (at θ ≤ 70 °C)
Maximum Breaking Capacity cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 440 V 7500 A cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 690 V 7000 A
Maximum Electrical Switching Frequency (AC-1) 300 cycles per hour (AC-2 / AC-4) 60 cycles per hour (AC-3) 300 cycles per hour
Maximum Mechanical Switching Frequency 300 cycles per hour
Mechanical Durability 3 million
No. of Auxiliary Contacts 1 NO + 1 NC
No. of Main Contacts 3 NO
Rated Breaking Capacity AC-3 8 x Ie AC-3
Rated Control Voltage 50 Hz 250 ... 500 V 60 Hz 250 ... 500 V DC Operation 250 ... 500 V
Rated Insulation Voltage acc. to IEC 60947-4-1 and VDE 0110 (Gr. C) 1000 V acc. to UL/CSA 600 V
Rated Making Capacity AC-3 10 x Ie AC-3
Rated Operational Current AC-3 (A) (415 V) 55 °C 750 A (440 V) 55 °C 750 A (500 V) 55 °C 750 A (690 V) 55 °C 650 A (1000 V) 55 °C 300 A (380 / 400 V) 55 °C 750 A (220 / 230 / 240 V) 55 °C 750 A
Rated Operational Power AC-3 (kW) (415 V) 425 kW (440 V) 450 kW (500 V) 520 kW (690 V) 600 kW (1000 V) 400 kW (380 / 400 V) 400 kW (220 / 230 / 240 V) 220 kW
Rated Short-time Withstand Current Low Voltage - Icw (A) at 40 °C Ambient Temp, in Free Air, from a Cold State 10 s 6400 A at 40 °C Ambient Temp, in Free Air, from a Cold State 15 min 1300 A at 40 °C Ambient Temp, in Free Air, from a Cold State 1 min 3500 A at 40 °C Ambient Temp, in Free Air, from a Cold State 1 s 7000 A at 40 °C Ambient Temp, in Free Air, from a Cold State 30 s 4500 A
Short-Circuit Protective Devices gG Type Fuses 1000 A
Brand ABB
Conventional Free-Air Thermal Current - Ith (A) acc. to IEC 60947-4-1, Open Contactors T = 40 °C 1050 A
Dimensions (mm) 283 * 210 * 242 [H*W*D]
No. of Poles 3
Rated Frequency (Hz) 50 / 60
Rated Impulse Withstand Voltage (kV) 8
Rated Operational Current AC-1 (A) (1000 V) 40 °C 1000 A (1000 V) 55 °C 875 A (1000 V) 70 °C 720 A (690 V) 40 °C 1050 A (690 V) 55 °C 875 A (690 V) 70 °C 720 A
Rated Operational Voltage AC (V) Main Circuit 1000 V

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