Air Circuit Breaker | ACB Low Voltage Main Circuit Breaker Manufacturer

We supply high-performance air circuit breakers (ACB), also known as frame circuit breakers, designed for main circuit protection of low voltage power distribution systems. Our ACB products feature intelligent trip units, overload, short-circuit and earth fault protection functions, with wide current range from 630A to 6300A. Compliant with IEC 60947-2 standards, these frame circuit breakers are widely used in LV switchgear, power plants, commercial buildings, industrial factories and data center power distribution rooms. We offer fixed & drawout type ACB with customizable parameters, factory direct supply and global export service.