219-3-7495-4

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A circuit breaker is a device designed to quickly disconnect and reconnect a circuit in case of overload, short circuit, or other fault conditions. It can provide electrical protection both to equipment and personnel, by quickly disconnecting and thus preventing further damage. 219-3-7495-4 is an example of a circuit breaker, specifically designed for certain applications and with specific working principles.

The 219-3-7495-4 circuit breaker was designed specially for applications requiring a small, lightweight circuit breaker. It was specifically meant for aircraft and missiles, where weight and space savings are essential factors. Its size, as compared to a standard breaker, is what makes it particularly suitable for such applications.

The operating principle of the 219-3-7495-4 circuit breaker is based on a thermal-mechanical system. It has an integrated bimetallic element designed to carry the current, and a plunger connected to it. When the current exceeds the rated value, the bimetallic element is heated up and moves the plunger, thus tripping the breaker and interrupting the current path. The overload is thus cleared, and the circuit breaker can be quickly restored to a normal operating position.

The 219-3-7495-4 circuit breaker also has an electronic over-current trip mechanism. This mechanism is designed to sense when the current exceeds the set value and to trip the breaker. This makes it especially suitable for applications where very precise current components need to be protected from even momentary overloads. It also offers more consistent performance, since it responds quickly to fast changes in current demands.

The 219-3-7495-4 circuit breaker is designed with a variety of features for improved safety and reliability. They include an automatic reset device for when the breaker has tripped due to an overload, a lockout feature that prevents the breaker from being reset while there is still an overload, and an Earth leakage protection system which detects earth leakage currents and trips the breaker if necessary.

Overall, the 219-3-7495-4 circuit breaker is suitable for a range of applications, from aircraft and missiles to consumer electronic equipment. Its small size and compact form make it very convenient for these applications, while its reliable operating principle and sophisticated features give it the flexibility needed for various operational scenarios.

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