219-3-1REC5-66-7-8-18.2-AH-V

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Circuit breakers are vital components used in electrical circuits for protection against overload, short circuit and other damaging conditions. In general, circuit breakers are either manually operated (with the user operating a lever or switch to reset the breaker) or automatically resetting (a thermal or magnetic device that automatically trips and needs to be reset). 219-3-1REC5-66-7-8-18.2-AH-V circuit breakers are high performance, auto-reset circuit breakers developed to protect against overload, short circuit and other damaging conditions.

Application Field

The 219-3-1REC5-66-7-8-18.2-AH-V circuit breaker is used in areas where the electrical system is not heavily loaded. It is often used in AC and DC power systems to protect electrical components from damage caused by overcurrent or short circuit. It is also used in electrical motor overload applications, where the breaker cuts off the power supply to the motor before the temperature of the motor reaches unsafe levels. It can also be used in lighting circuits to protect against overloading and short circuits.

Working Principle

The 219-3-1REC5-66-7-8-18.2-AH-V circuit breaker is composed of a spring loaded, thermally and/or magnetically operated release mechanism. The release mechanism operates when the current reaches preset trip levels, either opening the circuit when it trips or closing the circuit after it trips. The thermal trip mechanism is based on the melting of a metal element as the current reaches unacceptable levels, while the magnetic trip mechanism works by tripping a ferrous contact as its magnetism is overcome by the current. Once tripped, the breaker must be manually reset or automatically reset depending on the model.

The 219-3-1REC5-66-7-8-18.2-AH-V circuit breaker is designed to provide reliable protection to wiring, equipment, and other components in AC and DC systems. It detected current is exceeded, and can be set to provide a wide range of protection including overcurrent, undercurrent, overvoltage as well as short circuit protection. The 219-3-1REC5-66-7-8-18.2-AH-V circuit breaker can be used for short circuit, over current and over voltage protection of the electrical system.

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