HomeProtection SystemsAir Circuit Breaker ACB Air Circuit Breaker ACB Description Description A specialized switching device that safely interrupts earth faults in electrical systems. ECBs protect equipment, enhance network safety, and ensure reliable operation in industrial, commercial, and utility power networks. Related products Earth Circuit Breaker ECB Read more Moulded Case Circuit Breakers MCCB Read more Miniature Circuit Breaker (MCB) Read more