Circuit Breaker Tripper
Item Name Code (INC) 04558
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An electromechanical device which releases the holding mechanism and permits the contacts of a circuit breaker to open. It is a replacement part of a circuit breaker. Does not include relays. See also THERMAL RELEASE, CIRCUIT BREAKER.
Additional Information for Circuit Breaker Tripper
Circuit breaker trippers are components found in circuit breakers, which are part of the supply class Circuit Breakers in the supply group Electrical and Electronic Equipment Components.
A circuit breaker tripper is responsible for detecting abnormal electrical conditions in a circuit and interrupting the flow of electricity to protect the circuit and connected devices from damage. When a fault or overload occurs, the tripper mechanism within the circuit breaker is triggered, causing the circuit breaker to trip and open the circuit.
There are different types of circuit breaker trippers, including thermal, magnetic, and thermal-magnetic trippers.
- Thermal trippers respond to excessive heat caused by an overload condition. They contain a bimetallic strip that bends when heated, causing the tripper to trip and open the circuit.
- Magnetic trippers respond to high current levels caused by a short circuit. They contain an electromagnet that generates a magnetic field when a high current flows through it. This magnetic field causes the tripper to trip and open the circuit.
- Thermal-magnetic trippers combine the characteristics of both thermal and magnetic trippers. They can respond to both overload and short circuit conditions.
Circuit breaker trippers play a crucial role in electrical safety by preventing damage to circuits and equipment, as well as reducing the risk of electrical fires.