IEGZX21-35244-1-V

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A circuit breaker is a device designed to intervene in an abnormal electrical circuit and provide overcurrent protection to ensure safety. The IEGZX21-35244-1-V is part of the circuit breaker family, and is designed specifically to offer protection against overcurrent surges and undervoltages. The circuit breaker is set to trigger based on either of these conditions, the reset is done manually. This review will discuss the IEGZX21-35244-1-V application field and working principle.

Application Field

The IEGZX21-35244-1-V is a circuit breaker designed for use in medium voltage applications up to 3.6kV AC/DC. It has a fixed Thermal Overload Release (TOR) setting, meaning it is rated to protect against overcurrents, like those found in lighter industrial applications, or as a branch breaker in an industrial electrical system. It is UL-listed and CSA-certified for use in Canada and the United States, as well as many countries around the world. As such, its applications include commercial, industrial, and residential facilities. It is also suitable for use in electric propulsion drives, material handling systems, and other power conversion equipment.

Working Principle

The IEGZX21-35244-1-V operates based on two conditions: overcurrent and undervoltage. In the case of an overcurrent situation, the circuit breaker will trip and open the circuit, preventing further damage to the electrical system. This is done by sensing the current going through the system and comparing it to the rating of the circuit breaker. If the current is higher than the rated capacity, the circuit breaker will activate its trip mechanism and disconnect the circuit.

In the case of an undervoltage condition, the circuit breaker is also designed to trip and disconnect the circuit. It does this by monitoring the voltage drop between the primary and secondary sides of the circuit breaker. If the voltage drop goes below a certain threshold, the circuit breaker will trip to protect both the primary and secondary sides of the circuit. This can help protect against a wide variety of faults, including arced grounds, phase imbalance, and loose connections.

The IEGZX21-35244-1-V also features manual reset capability, meaning that the circuit breaker can be reset once its trip mechanism has been activated. This allows for quick and easy restoration of the circuit, without the need for a technician to be present. This makes it ideal for use in critical applications where reliable power protection is essential.

Conclusion

The IEGZX21-35244-1-V is a versatile circuit breaker, designed to provide reliable overcurrent and undervoltage protection in medium voltage applications up to 3.6kV AC/DC. It is UL-listed and CSA-certified, making it suitable for a wide variety of applications, from commercial and residential to industrial and propulsion drives. Its advanced design and manual reset feature make it a cost-effective solution for protecting power systems from both short circuit and overload conditions.

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