Air Circuit Breakers (ACB)

Air Circuit Breakers (ACBs) are heavy-duty protective devices used in low-voltage power distribution systems where high current ratings and advanced protection are required. They are commonly installed as main incomers or feeder breakers in switchboards, switchgear, and power distribution panels.

AmpState’s ACB collection includes breakers suitable for commercial, industrial, and infrastructure applications, supporting both new installations and retrofit or replacement requirements.


KEY FEATURES & SPECIFICATIONS (optional but recommended)

ACBs in this collection may include:

  • High amperage ratings for main and feeder circuits

  • Low-voltage system compatibility

  • Electronic trip units with adjustable protection settings

  • Draw-out and fixed mounting options

  • Compatibility with accessories such as shunt trips, closing coils, auxiliary contacts, and communication modules

Specifications vary by model and manufacturer.


INDUSTRIES & APPLICATIONS

Air circuit breakers are widely used in:

  • Industrial power distribution systems

  • Commercial buildings and data centers

  • Utility substations and infrastructure projects

  • Switchboards and low-voltage switchgear assemblies

  • Motor control and power management systems

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

Regular price $7,021.00
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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

Regular price $13,373.00
Sale price $13,373.00 Regular price
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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

Regular price $20,528.00
Sale price $20,528.00 Regular price
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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
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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
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