LEGBX66-37061-30-V Circuit Protection

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Circuit breakers are devices that protect electrical circuits from damage due to overload or short circuit. The LEGBX66-37061-30-V is a type of circuit breaker used in industrial and residential applications. This breaker is suitable for interrupting single-phase and three-phase currents up to 100 amps. It is UL-classified for branch circuit protection and features the latest safety features. This article will discuss the application field and working principle of this circuit breaker.

Application Field

The LEGBX66-37061-30-V is a fast-acting circuit breaker suitable for residential and industrial applications. It is designed for use in switchgear assemblies, motor control centers, and electric service entrances. This breaker can also be used in motor control circuit applications such as motor starters, contactors, and push-button controls. The LEGBX66-37061-30-V is rated up to 100 amps and is UL-classified for branch circuit protection. It is suitable for both single-phase and three-phase applications.

Working Principle

The LEGBX66-37061-30-V is a fast-acting miniature circuit breaker. It is designed to protect against electrical overloads, short circuits, and other electrical faults. The LEGBX66-37061-30-V has an internal thermal-magnetic tripping system that automatically trips the breaker under certain conditions. The thermal trip element is designed to open the breaker when too much current is flowing through it. The magnetic trip element is designed to open the breaker when an excessive amount of current is flowing. The breaker is also designed with a manual trip button, which allows the user to manually trip the breaker under certain conditions.

The LEGBX66-37061-30-V is designed with the latest safety features, including a time-delay function that delays the tripping of the circuit breaker when a short circuit occurs. This time delay allows the circuit breaker to distinguish between a short circuit and an overcurrent. The breaker is also equipped with an overtemperature protection feature which automatically trips the breaker if the internal temperature reaches a predetermined level.

The LEGBX66-37061-30-V is rated for use in temperatures ranging from -40°C (-40°F) to +135°C (275°F). It features a quick-make, quick-break function which allows for a fast switch operation. The breaker also features an IP20 enclosure for added protection against dust and moisture.

Conclusion

The LEGBX66-37061-30-V is a fast-acting circuit breaker suitable for residential and industrial applications. It is designed to protect against electrical overloads, short circuits, and other electrical faults. The breaker is UL-classified for branch circuit protection and features the latest safety features. It has an internal thermal-magnetic tripping system that automatically trips the breaker under certain conditions. The LEGBX66-37061-30-V is rated up to 100 amps and is suitable for both single-phase and three-phase applications.

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