Air Circuit Breakers (ACB)

Shop fixed and draw-out air circuit breakers for low-voltage switchgear, switchboards, main incomers, tie breakers, and high-current feeder applications.

Specify manufacturer and series, frame and sensor rating, trip unit, poles, voltage, interrupting and short-time withstand ratings, draw-out cradle type, control voltage, charging motor, closing and trip coils, auxiliary contacts, communications, and required accessories.

For replacement or retrofit support, send the breaker and cradle nameplates, trip-unit label and compartment photos to sales@ampstate.com. View all circuit breakers.

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Terasaki AR440SB R 4000A 3 Pole Air Circuit Breaker For Industrial And Commercial Power Distribution - Air Circuit

Terasaki AR440SB R 4000A 3 Pole Air Circuit Breaker For Industrial And Commercial Power Distribution

Regular price $36,759.00
Sale price $36,759.00 Regular price
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Siemens 3WB1 1600A Air Circuit Breaker For Low Voltage Power Distribution In Industrial And Commercial Facilities - Air
GE M08 800A 1000V Air Circuit Breaker for Industrial and Commercial Power Distribution - Air Circuit Breaker

GE M08 800A 1000V Air Circuit Breaker for Industrial and Commercial Power Distribution

Regular price $7,021.00
Sale price $7,021.00 Regular price
Unit price
Schneider Electric NW16H1 1600A 4 Pole Air Circuit Breaker For Industrial Low Voltage Power Distribution Systems - Air
Vk 1000A Air Circuit Breaker 1000A Current Rating For Low Voltage Power Distribution Systems - Air Circuit Breaker

Vk 1000A Air Circuit Breaker 1000A Current Rating For Low Voltage Power Distribution Systems

Regular price $314.00
Sale price $314.00 Regular price
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ABB E3S 2500A Air Circuit Breaker 690V 110V 3 Phase 3 Pole Heavy Duty Industrial Protection - Air Circuit Breaker

ABB E3S 2500A Air Circuit Breaker 690V 110V 3 Phase 3 Pole Heavy Duty Industrial Protection

Regular price $13,373.00
Sale price $13,373.00 Regular price
Unit price
Schneider Electric 33072BA Air Circuit Breaker Heavy Duty Low Voltage Power Distribution Systems - Air Circuit Breaker

Schneider Electric 33072BA Air Circuit Breaker Heavy Duty Low Voltage Power Distribution Systems

Regular price $1,176.00
Sale price $1,176.00 Regular price
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Hyundai UAN25B3C 2500A 3 Pole Air Circuit Breaker for Low Voltage Power Distribution in Industrial Facilities - Air

Hyundai UAN25B3C 2500A 3 Pole Air Circuit Breaker for Low Voltage Power Distribution in Industrial Facilities

Regular price $20,528.00
Sale price $20,528.00 Regular price
Unit price
Hyundai 3 Pole 1600A 690VAC Air Circuit Breaker For Low Voltage Power Distribution Systems In Industrial And Commercial
Schneider Electric ETA5S Air Circuit Breaker For Low Voltage Power Distribution In Industrial And Commercial Facilities
ABB E2N 1250A 400VAC Air Circuit Breaker for Industrial and Commercial Power Distribution - Air Circuit Breaker

ABB E2N 1250A 400VAC Air Circuit Breaker for Industrial and Commercial Power Distribution

Regular price $11,958.00
Sale price $11,958.00 Regular price
Unit price
Schneider Electric NW25H2 2500A 4 Pole Air Circuit Breaker For Low Voltage Power Distribution Systems - Air Circuit

Schneider Electric NW25H2 2500A 4 Pole Air Circuit Breaker For Low Voltage Power Distribution Systems

Regular price $25,511.00
Sale price $25,511.00 Regular price
Unit price
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