1.Introduction
Frame Circuit Breaker (also known as ACB) is a core protective electrical device with large capacity, comprehensive functions and high intelligence in low-voltage power distribution systems. It is mainly used in main lines and power supply terminals of large equipment, undertaking core responsibilities for circuit safety and control.
2.Core Functions
①Fault Protection: Quickly interrupt overload, short circuit, undervoltage and ground faults to prevent equipment damage and fires.
②On-Off Control: Manual/electric switching (supports remote control) to meet normal operation needs.
③Intelligent Monitoring: Some models integrate current/voltage/energy metering, which can be linked with monitoring systems to achieve intelligence.
3.Application Scenarios
Commonly used as main power switch, bus tie switch and control switch for large motors.
Typical applications include factories, shopping malls, office buildings,new energy power stations,data centers and other places requiring large-capacity power distribution.
Post time: Jan-08-2026
