UPL11-9456-2 Circuit Protection

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Circuit breakers are safety devices utilized to protect a system or electrical circuit from damage due to an overload or short circuit. In this article, we’ll introduce the application field and working principle of the UPL11-9456-2 circuit breaker.

UPL11-9456-2 circuit breaker is mainly used in power distribution. It is designed to protect the system from damage due to over-loads or short circuits. It can also protect the system from the effects of power fluctuations, such as voltage surges and spikes. UPL11-9456-2 circuit breaker is a type of miniature circuit breaker (MCB) designed for low-voltage applications. It is also suitable for applications with high inrush currents, such as motor starting, and offers excellent protection against short circuits and thermal overload.

The working principle of UPL11-9456-2 circuit breaker is based on a bi-metal strip which bends and releases the latch arm when a critical temperature is reached. This temperature is normally determined by the current passing through the device. When a fault or over-load occurs, the bi-metal strip will bend to disconnect the circuit. The amount of current passing through the circuit determines how far and quickly the existingt bi-metal strip is heated. The faster the current passes through the circuit, the faster the bi-metal strip will bend and open the circuit.

The UPL11-9456-2 circuit breaker also contains an adjustable Thermal Overload Relay (TOR). The TOR is a device that detects when the ambient temperature is too high and trips the circuit breaker. This is done by measuring the temperature of the environment around the device, and if it is too high, the TOR signals the circuit breaker to open. The TOR can be adjusted to trip at a certain temperature, allowing it to protect sensitive equipment from thermal overloads.

The UPL11-9456-2 circuit breaker is a reliable safety device for many applications. It provides protection against over-loads and short circuits as well as against the effects of power fluctuations. It is also self-adjusting and can be adjusted to trip at specific temperatures. With its adjustable options, it can be customized to suit a variety of needs in different applications.

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