0914728 Circuit Protection

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Circuit breakers are a type of electrical switch intended to protect electrical circuits and equipment from damage caused by an overload or short circuit. The 0914728 is an example of a standard circuit breaker, combining circuit protection and an overload protection system into one device.

The 0914728 is designed for use in commercial, industrial and residential installations in low-voltage power systems. It is rated for 15A to 125A and Features trip range adjustment from 15A to 115A and from 125A to 135A with trip time of 1-12 seconds and closing time of 200 milliseconds. The 0914728 has a lockout slide mechanism which prevents it from being closed when the circuits in the breaker are not properly balanced.

The 0914728 uses a patented air-blown circuit interrupter technology to break the circuit in case of an overload or short circuit. The circuit is broken when an interruptible air-filled chamber within the circuit breaker is exposed to an elevated temperature. This elevating temperature is produced by an internal metal strip, which is heated as current passes through it. This metal strip is connected to a bimetallic strip, which bends due to the heater metal strip heating, thus breaking the circuit.

This type of circuit breaker includes a temperature operating head, which is the main component that generates the circuit-breaking action. This temperature operating head is mounted on a thermally reactive mass, and both form a sealed unit. This sealed unit is charged with pressurized air and heated or cooled to a set temperature by varying the internal pressure. When the current passes through the circuit breaker, it starts to heat up and thus slowly moving the temperature operating head, until it reaches the opening temperature threshold, at which point it breaks the circuit.

The 0914728 also has an integrated temperature controller for the thermal response duration. This temperature controller manages the temperature on which the breaker will trip at. This integrated controller is highly reliable and ensures that the trip time is accurate and consistent with the environment.

The 0914728 also provides selectable electrical circuit protection. This feature provides a choice of overcurrent protection characteristics and automatically adjusts to the system environment. The 0914728 can be fitted with optional accessories, allowing it to protect against voltage surges, lightning, arc faults and other additional circuit protection.

The 0914728 is a smart circuit breaker, providing a cost-effective form of circuit protection while still providing efficient protection. It is suitable for a wide range of applications including residential, commercial, and industrial settings. It is a reliable, durable, and flexible solution for any circuit protection requirement.

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