Skip to main content

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

Data represented with blue lights

Press release | 05. 29. 2025

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

L3Harris Technologies has been awarded a contract by the U.S. government to develop a next-generation security processor to secure communication devices across the globe.

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

Adrian Kemps, L3Harris’ Corporate Vice President and Country Executive for Saudi Arabia, and Alastair J. Bisset, General Manager of Zamil Shipyards, sign the MOU.

Press release | 04. 08. 2025

L3Harris and SAMI Joint Venture Sign Agreement with Zamil Shipyards to Advance Autonomous Maritime Capabilities in the Kingdom of Saudi Arabia

The L3Harris Iver4 580 for UK Royal Navy Project Wilton

Editorial | 01. 28. 2025

L3Harris’ Iver4 580: Supporting the Royal Navy’s Project Wilton

Sailor aboard USS DELAWARE turns an Iver4-900 AUV around for storage outside the torpedo room

Editorial | 11. 12. 2024

A Major Milestone in Unmanned Systems Technology: The Delivery of Lithium-ion Batteries for Submarine Use

Resources

  • ACB-4012 Air Circuit Breaker Data Sheet

    ACB-4012 Air Circuit Breaker Data Sheet

Related Domains & Industries

Solutions that solve our customers' toughest challenges.
view all capabilities