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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Schneider Electric NW50H1 5000A Air Circuit Breaker For Low Voltage Power Distribution

Regular price $25,135.00
Sale price $25,135.00 Regular price
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Schneider Electric NW10H2 1000A Four Pole Air Circuit Breaker For Low Voltage Power Distribution

Regular price $15,701.00
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ABB PR121P 1250A Air Circuit Breaker for Low Voltage Power Distribution Systems Applications

Regular price $1,187.00
Sale price $1,187.00 Regular price
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ABB PR112P Air Circuit Breaker For Low Voltage Power Distribution In Industrial And Commercial Facilities

Regular price $2,054.00
Sale price $2,054.00 Regular price
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Terasaki AH 40C 4000A 660V Three Pole Air Circuit Breaker For Industrial And Commercial Power Distribution

Regular price $21,727.00
Sale price $21,727.00 Regular price
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Terasaki AR332S-R 3200A 3 Pole Air Circuit Breaker For Industrial And Commercial Power Distribution

Regular price $27,859.00
Sale price $27,859.00 Regular price
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Square D NW30H 3000A 3 Pole Air Circuit Breaker For Industrial Low Voltage Power Distribution Systems

Regular price $17,597.00
Sale price $17,597.00 Regular price
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ABB E1N MS 1000A 690V Air Circuit Breaker For Industrial Power Distribution And Reliable Protection

Regular price $6,750.00
Sale price $6,750.00 Regular price
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Siemens 3WL9311-5AA00-0AA2 9311-5A Air Circuit Breaker for Low Voltage Power Distribution Systems

Regular price $2,676.00
Sale price $2,676.00 Regular price
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