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Air Circuit Breaker

Air Circuit Breaker

A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit. Its basic function is to detect a fault condition and interrupt current flow. Unlike a fuse, which operates once and then must be replaced, a circuit breaker can be reset (either manually or automatically) to resume normal operation. Circuit breakers are made in varying sizes, from small devices that protect an individual household appliance up to large switchgear designed to protect high voltage circuits feeding an entire city.

ABB Air Circuit Breakers SACE Emax E2B/E

ABB Air Circuit Breakers SACE Emax E2B/E


SPECIFICATIONSRated uninterrupted current(a 40°C)Iu: 1600,2000Rated service voltage Ue: 1000Rated ultimate short-circuit breaking capacity Icu: 20Rated short-time withstand current Icw(1s): 20
ABB Air Circuit Breakers SACE Emax E6H/f

ABB Air Circuit Breakers SACE Emax E6H/f


SPECIFICATIONSRated uninterrupted current(a 40°C)Iu: 5000,6300Rated service voltage Ue: 690Rated short-time making capacity(peak value)Icm: 220Rated short-time withstand current Icw(1s): 100
ABB Air Circuit Breakers SACE Emax E4S/f

ABB Air Circuit Breakers SACE Emax E4S/f


SPECIFICATIONSRated uninterrupted current(a 40°C)Iu: 4000Rated service voltage Ue: 690Rated short-time making capacity(peak value)Icm: 176Rated short-time withstand current Icw(1s): 80
ABB Air Circuit Breakers SACE Emax E6 H-V

ABB Air Circuit Breakers SACE Emax E6 H-V


SPECIFICATIONSRated uninterrupted current(a 40°C)Iu: 3200,4000,5000,6300Mechanical life with regular routine maintenance: 12Frequency: 60Electrical life: (440 V-)5,4,3,2 (690 V-)5,4,2,1,5
ABB Air Circuit Breakers SACE Emax E4 S-H

ABB Air Circuit Breakers SACE Emax E4 S-H


SPECIFICATIONSRated uninterrupted current(a 40°C)Iu: 3200,4000Mechanical life with regular routine maintenance: 15Frequency: 60Electrical life: (440 V-)7,5 (690 V-)7,4
ABB Air Circuit Breakers SACE Emax E3 L

ABB Air Circuit Breakers SACE Emax E3 L


SPECIFICATIONSRated uninterrupted current(a 40°C)Iu: 2000,2500Mechanical life with regular routine maintenance: 15Frequency: 60Electrical life: (440 V-)2,1,8 (690 V-)1,5,1,3
ABB Air Circuit Breakers SACE Emax E3 N-S-H

ABB Air Circuit Breakers SACE Emax E3 N-S-H


SPECIFICATIONSRated uninterrupted current(a 40°C)Iu: 1250,1600,2000,2500Mechanical life with regular routine maintenance: 20Frequency: 60Electrical life: (440 V-)12,10,9,8,6 (690 V-)12,10,9,7,5
ABB Air Circuit Breakers SACE Emax E2 L

ABB Air Circuit Breakers SACE Emax E2 L


SPECIFICATIONSRated uninterrupted current(a 40°C)Iu: 1250,1600Mechanical life with regular routine maintenance: 20Frequency: 60Electrical life: (440 V-)4,3 (690 V-)3,2
ABB Air Circuit Breakers SACE Emax E2 B-N

ABB Air Circuit Breakers SACE Emax E2 B-N


SPECIFICATIONSRated uninterrupted current(a 40°C)Iu: 1250,1600,2000Mechanical life with regular routine maintenance: 25Frequency: 60Electrical life: (440 V-)15,12,10 (690 V-)15,10,8
ABB Air Circuit Breakers SACE Emax E1 B-N

ABB Air Circuit Breakers SACE Emax E1 B-N


SPECIFICATIONSRated uninterrupted current(a 40°C)Iu: 800,1250Mechanical life with regular routine maintenance: 25Frequency: 60Electrical life: (440 V-)10 (690 V-)10,8
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