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The role of an Electronically Controlled Breaker (ECB) is pivotal in modern electrical distribution systems, particularly within meter boxes. This article delves into the specifics of ECBs, their installation requirements, and operational features.

There are actually three main tripping methods for air circuit breakers. The first is electromagnetic tripping. The second type is thermal trip. The third type is compound tripping.

I guess everyone has heard of air circuit breaker. So, why is the air circuit breaker called an air circuit breaker? What does it have to do with air? To understand this problem, you must first understand the classification of air circuit breakers and their working principles.

Plastic case circuit breaker (using plastic insulator as the shell of the device) is also called a plastic case circuit breaker. It is suitable for use as a protection switch for branch circuits and can automatically cut off the current after the current exceeds the trip setting.