APGH11-1REC2-1799-1

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Circuit Breakers

APGH11-1REC2-1799-1 is a type of circuit breakers which are electrical devices designed to protect circuits from overcurrent or overload of electric power. Circuit breakers are familiar to most of us as the safety switch near the fuse box in our homes or businesses.

Application Field

Circuit breakers are used extensively in a broad range of applications from residential to utility grade, low-voltage to high-voltage systems. They are designed to operate in a range of temperatures, withstanding a variety of hazardous environmental conditions, and working reliably under extreme loads. APGH11-1REC2-1799-1 are especially suitable for applications in medium-voltage power distribution systems, including protection from overcurrents, short-circuits, and ground faults.

Working Principle

A circuit breaker works by interrupting an electrical circuit when an overload exceeds a preset limit. The circuit breaker is designed to detect when the current in the circuit is in excess of the rated value and, when so detected, trips and interrupts the current flow. This helps protect the circuit from thermal damage that can occur when too much current is passing through it.

The process of tripping and interrupting the current flow usually involves the use of a bimetallic strip that contains two metals with different thermal properties. When a preset amount of current is detected on the circuit, the bimetallic strip bends as one metal expands faster than the other. This causes a pivot point to engage which, in turn, trips a switch that interrupts the current flow.

Circuit breakers are extremely useful devices for protecting vulnerable electrical circuits and equipment from overloads and short-circuits. The APGH11-1REC2-1799-1 circuit breakers offer enhanced protection and reliability, and are especially suitable for use in medium-voltage power distribution systems.

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