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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Hyundai UAN50C3C 5000A 1000V 3 Pole Air Circuit Breaker For Low Voltage Power Distribution - Air Circuit Breaker

Hyundai UAN50C3C 5000A 1000V 3 Pole Air Circuit Breaker For Low Voltage Power Distribution

Regular price $45,851.00
Sale price $45,851.00 Regular price
Unit price
Federal Pioneer 50H2MD27 Air Circuit Breaker For Low Voltage Power Distribution In Industrial And Commercial Facilities
ABB 220 250V Air Circuit Breaker For Low Voltage Power Distribution Systems For Industrial Facilities - Air Circuit

ABB 220 250V Air Circuit Breaker For Low Voltage Power Distribution Systems For Industrial Facilities

Regular price $1,820.00
Sale price $1,820.00 Regular price
Unit price
Mitsubishi AE5000-SS Air Circuit Breaker For Low Voltage Power Distribution In Industrial And Commercial Facilities
ABB E1B1250PR121/P-LSIIN Air Circuit Breaker For Low Voltage Power Distribution Systems - Air Circuit Breaker

ABB E1B1250PR121/P-LSIIN Air Circuit Breaker For Low Voltage Power Distribution Systems

Regular price $6,926.00
Sale price $6,926.00 Regular price
Unit price
ABB PR122 P LSI 2000A 635V Air Circuit Breaker For Industrial And Commercial Power Distribution - Air Circuit Breaker

ABB PR122 P LSI 2000A 635V Air Circuit Breaker For Industrial And Commercial Power Distribution

Regular price $10,578.00
Sale price $10,578.00 Regular price
Unit price
Federal Pioneer 50H3ED21 Air Circuit Breaker Heavy Duty Low Voltage Power Distribution - Air Circuit Breaker

Federal Pioneer 50H3ED21 Air Circuit Breaker Heavy Duty Low Voltage Power Distribution

Regular price $18,618.00
Sale price $18,618.00 Regular price
Unit price
12X Air Circuit Breaker For Low Voltage Power Distribution Systems In Industrial And Commercial Facilities - Air

12X Air Circuit Breaker For Low Voltage Power Distribution Systems In Industrial And Commercial Facilities

Regular price $1,182.00
Sale price $1,182.00 Regular price
Unit price
Schneider Electric STR58U 4000 Amp Air Circuit Breaker For Low Voltage Power Distribution - Air Circuit Breaker

Schneider Electric STR58U 4000 Amp Air Circuit Breaker For Low Voltage Power Distribution

Regular price $376.00
Sale price $376.00 Regular price
Unit price
Hyundai 1600A Air Circuit Breaker 690VAC 3 Pole for Low Voltage Power Distribution Systems - Air Circuit Breaker

Hyundai 1600A Air Circuit Breaker 690VAC 3 Pole for Low Voltage Power Distribution Systems

Regular price $13,288.00
Sale price $13,288.00 Regular price
Unit price
GE M10 1000A Air Circuit Breaker 440 to 690 Volts For Low Voltage Industrial And Commercial Power Distribution - Air
Terasaki AT16 1600A 690V 3 Pole Air Circuit Breaker for Industrial and Commercial Power Distribution - Air Circuit

Terasaki AT16 1600A 690V 3 Pole Air Circuit Breaker for Industrial and Commercial Power Distribution

Regular price $11,735.00
Sale price $11,735.00 Regular price
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