219-3-37603-20

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Circuit breakers are electrical devices typically used to protect electrical circuits and systems from damage caused by current, voltage, or temperature overloads. The 219-3-37603-20 circuit breaker is a type of molded case circuit breaker and is designed for high-protection against short-circuits and undervoltages in AC and DC systems.

The 219-3-37603-20 has an adjustable tripping range, is easy to install and maintain, and is designed for three-phase applications, making it an ideal choice for a variety of applications.

Application Field

The 219-3-37603-20 has a wide range of applications, including residential and commercial buildings, marine, and automotive industries. It can also be used for industrial applications, such as power plants and factories, as well as electric utility substations.

In addition, the 219-3-37603-20 circuit breaker is suitable for installations with high energy requirement and can protect large electrical circuits from short circuits and voltage overloads. It is also suitable for installations with an AC voltage of up to 690 volts and an a DC voltage of up to 300 volts.

Working Principle

The working principle behind the 219-3-37603-20 circuit breaker is based on a thermal-magnetic tripping system. This means that the breaker is sensitive to both overloads and short-circuits as well as other abnormal conditions on the line.

The thermal-magnetic tripping system works by sensing the heat generated by an overload or short circuit and tripping the breaker to open the circuit and protect against damage. In addition, the system is designed so that if the overload or short circuit persists for a long period of time, the breaker will trip again in order to ensure the safety of the line.

The 219-3-37603-20 circuit breaker is also equipped with additional features such as adjustable tripping ranges, manual reset, manual open/close, lockout/tagout, Auxiliary contacts, and a wide range of installation accessories, making it the ideal choice for a variety of applications.

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