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Air Circuit Breaker 4012

Air Circuit Breaker 4012

Many new standard features include RMS sensing, ground-fault detection, real-time state monitoring, bidirectional communications, control functions, under-voltage dropout, under-voltage lockout, power-up trip, charging motor protection and more.

Air Circuit Breaker 4012

Electronic Over Current Protection

By integrating electronic over current protection in the air circuit breakers, L3Harris eliminates the need for costly over current assemblies. This flexibility provides simplified ordering, application versatility, reduced parts inventory and reduced maintenance, resulting in manpower savings.

Featured News

T-AGOS-25 class ocean surveillance ship

Press release | 09. 02. 2025

L3Harris Secures Contract for the US Navy’s New Ocean Surveillance Shipset

L3Harris Technologies has received a contract from Austal USA for the continued support of the U.S. Navy’s first T-AGOS-25 class ocean surveillance ship.

T-AGOS-25 class ocean surveillance ship

Press release | 09. 02. 2025

L3Harris Secures Contract for the US Navy’s New Ocean Surveillance Shipset

VAMPIRE live fire demonstration

Editorial | 08. 29. 2025

L3Harris Launches Counter-Unmanned Systems Initiative

IVER sits on stand around a dock

Editorial | 07. 29. 2025

Engagement Superiority: How L3Harris’ Iver AUVs are Establishing the Hybrid Undersea Fleet

Data represented with blue lights

Press release | 05. 29. 2025

L3Harris Receives Contract to Develop Next-Generation Security Processor for US Government

Celebrating 190 years in Italy’s Naval Industry: From a Family-Owned Business to a Global Company

Editorial | 04. 14. 2025

Celebrating 190 Years of Excellence: L3Harris Calzoni's Legacy in Italy’s Naval Industry

Resources

  • ACB-4012 Air Circuit Breaker Data Sheet

    ACB-4012 Air Circuit Breaker Data Sheet

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