9921320005 Circuit Protection

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Circuit breakers are instrumental in the electrical systems of homes and businesses. They are designed to switch off the electrical power when they detect a surge or overload, preventing further damage and protecting people in the affected area from electric shock. A 9921320005 circuit breaker is an example of a type of circuit breaker specifically designed to cut off power in the event of an overload or surge.

Application Field

The 9921320005 circuit breaker is a popular choice for high performance and dependable trip current settings. It is used for overhead and underground AC power distribution, as well as for motor control. It is suitable for applications such as substations, switchgear, industrial and residential buildings, and other areas where sensitive equipment or people could be harmed by an unexpected increase in electric current. Its trip current range of 30-50A means that it can be used in a variety of load conditions.

Working Principle

A 9921320005 circuit breaker utilizes a thermal magnetic trip element to detect when the current levels become higher than the pre-set levels. The trip element works by sensing the amount of heat generated when electricity is flowing; the magnetic component augments this sensitivity, allowing the breaker to respond to even small overrides in current. This combination of thermal and magnetic elements makes the 9921320005 circuit breaker a highly reliable way of preventing damage as a result of electrical overloads.

When the current exceeds the pre-set setting, the 9921320005 circuit breaker will open the circuit, cutting off the electricity supply to the affected area. This allows any surplus electricity to flow through the breaker instead of through sensitive equipment or people, preventing further damage or injury. By breaking the circuit, the 9921320005 circuit breaker also protects the wiring from long-term damage caused by the excess current.

Conclusion

The 9921320005 circuit breaker is a reliable and durable solution for controlling electric current levels in residential, commercial, and industrial settings. It is designed to detect spikes or surges in current and cut off the power supply when they occur, protecting people and equipment from harm in the affected area. With its combination of thermal and magnetic elements, the 9921320005 circuit breaker is an effective way to prevent damage from electric overloads.

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