GMB63H1PC13

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Circuit breakers are a type of protective device that helps to protect circuits and systems from overloads, short circuits, and other dangerous events. The GMB63H1PC13 is a single-phase circuit breaker that provides short circuit, overload and under-voltage protection.

The GMB63H1PC13 is a three-pole device with adjustable tripping characteristics, making it suitable for a variety of applications, from residential and commercial to industrial facilities. It is designed with a “Quick Trip” feature, allowing for fast disconnection of the circuit in the event of an overload or short circuit and ensuring the safety of personnel and equipment.

The GMB63H1PC13 provides great flexibility in providing current protection and control. It is designed to provide protection to circuits carrying 230/400V, two- or three-phase currents up to 63A and with adjustable trip settings, it is ideal for industrial applications. It also has a built-in under voltage monitor that can disconnect the circuit if the voltage drops below a predetermined threshold.

The working principle of the circuit breaker is relatively simple. At normal operating conditions, the circuit breaker contacts remain closed and the current flows through them with no interruption. When an over-current or short circuit occurs, the main contacts open, preventing current from flowing and interrupts the circuit.

Protection against over-current is provided by a thermal and/or magnetic tripping element. The thermal element is an bimetallic strip that heats up and bends when exposed to intense current. The magnetic element is an electromagnet that releases a spring-loaded armature when current intensity surpasses a certain level. Both elements are adjustable, allowing for settings specific to the application.

Under-voltage protection is also provided by a coil and an additional contact, called the auxiliary contact. The coil monitors the voltage of the circuit and when the voltage drops below a predetermined level, the auxiliary contact closes, completing the circuit and triggering the circuit breaker to trip.

The GMB63H1PC13 is a single-phase, three-pole circuit breaker with adjustable trip settings and a “Quick Trip” feature, making it an ideal choice for a variety of applications. With adjustable thermal and magnetic trip elements and an auxiliary contact for under-voltage protection, it provides reliable current protection and control for both residential and industrial use.

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