W91-X112-7

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The W91-X112-7 Circuit Breaker is a device primarily designed to protect electrical circuits and equipment from damage due to overcurrent, short circuits, or other electrical hazards. The W91-X112-7 is a medium voltage circuit breaker, commonly used in commercial, industrial and utility applications. It is designed to provide a safe, reliable and efficient method of protection against overcurrent and short circuit damage.

Application Field

The W91-X112-7 Circuit Breaker is typically employed in the switchgear cabinets of medium voltage industrial or utilityapplications (up to 40.5 kV) such as power plants, electrical grids, and other high current circuit applications. It is also used in places such as warehouses, factories, and laboratories, as well as in other limited space applications where the protection and safety of the equipment and its users are of utmost importance.

Working Principle

The W91-X112-7 Circuit Breaker is based on a magnetic system that is designed to sense and respond to excessive current flow within a circuit. This mechanism works by creating a magnetic field whenever current flow increases beyond the set current value. This magnetic field can actuate a current sensing relay, which in turn triggers a tripping mechanism that cuts off the power supply to the circuit.

The tripping mechanism works in two ways. Firstly, it is designed to sense a large increase in current flow and will instantly open the circuit breaker contacts, effectively halting the flow of current. Secondly, it is designed to detect the heat generated by an overload, and will slowly open the circuit breaker contacts so that the current can be safely dissipated without damaging the equipment.

The W91-X112-7 Circuit Breaker features a number of built-in safety features, including a current sensing relay, a trip mechanism, and a circuit breaker lock. These features ensure that the circuit breaker is reliable and safe to use, and also ensure that the circuit is properly protected against overloads and short circuit risks.

In summary, the W91-X112-7 Circuit Breakers are designed to protect electrical circuits and equipment from damage due to overloads, short circuits, or other electrical hazards. It is typically used in places such as power plants, electrical grids, and other high current circuit applications. It is based on a magnetic system that is designed to sense and respond to excessive current flow within a circuit and has a number of built-in safety features to ensure safe and reliable operation and protection of the circuit.

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