IELHK1111-1-62-63.0-AB-01-V

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Circuit breakers, such as the IELHK1111-1-62-63.0-AB-01-V, are used to protect electrical machinery from damage due to short circuits or overloads. To accomplish this, the circuit breaker must open and disconnect the affected power circuit when a short circuit occurs. In some cases, the breaker must open and disconnect a large amount of power within a few milliseconds. (1 millisecond = 1/1000th of a second). It is also essential for a circuit breaker to close and reconnect the power circuit quickly and reliably when the short circuit is cleared, otherwise further damage may be done to the machinery.

The IELHK1111-1-62-63.0-AB-01-V circuit breaker is a molded case circuit breaker (MCCB). MCCBs are used in many applications ranging from low voltage motor control centers and lighting panels to large industrial control systems, where they provide the same protection against overcurrents as ordinary circuit breakers. MCCBs typically have a “trip unit” inside the breaker that contains an electric coil, a thermal heater, and a magnetic system. When an overload current is detected, the thermal heater expands, deforming the magnetic system and activating the electric coil in the trip unit.

When the electric coil is activated, it causes the contactor inside the breaker to open. This breaks the circuit, effectively disconnecting the electrical power and protecting the machinery from further damage. The electric coil is also used to close the contactor when the overload or short circuit has been cleared. The IELHK1111-1-62-63.0-AB-01-V circuit breaker also offers current and voltage Limiter settings, which are used to control the amount of power that can be delivered to the connected machinery, safeguarding it from overloads.

The IELHK1111-1-62-63.0-AB-01-V is suitable for many applications. It can be used in residential settings to protect circuits and appliances; in industrial settings to protect large motors and machinery; in emergency circuits to respond to power interruptions or load shedding; and in medical environments to protect life-critical systems.

In summary, the IELHK1111-1-62-63.0-AB-01-V circuit breaker is a versatile, reliable, and powerful device that can provide protection from short circuits and overloads for a wide range of electrical equipment. The trip unit inside the breaker responds to overloads or short circuits and breaks the circuit, while the contactor can be re-engaged quickly and safely when the fault has been cleared. In addition, the circuit breaker offers current and voltage Limiter settings, giving the user a further layer of protection when needed.

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