W28-XQ1A-0.25

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Circuit breakers are electrical devices designed to protect circuits from overload and short-circuit conditions. A W28-XQ1A-0.25 circuit breaker is a type of low voltage circuit breaker often used in industrial, commercial and residential applications. In this article, we will discuss the application field and working principle of a W28-XQ1A-0.25 circuit breaker.

Application Field: W28-XQ1A-0.25 circuit breakers are mainly used in industrial, commercial and residential applications, such as power distribution and motor control. They can be used to protect circuit breakers as a source of backup power or as other equipment by providing interruption of power to a circuit in case of malfunction or overload. The W28-XQ1A-0.25 circuit breaker is available in single pole, two-pole and three-pole configurations and can be used for a variety of circuit protection applications.

Working Principle: The working principle of a W28-XQ1A-0.25 circuit breaker is based on the principle of thermal overload protection. It uses an internal bimetallic strip or two similar metal strips, which expand or contract when subjected to changes in temperature, to detect overtemperature events. When the temperature of an electric circuit increases due to an overload or a short circuit, the bimetallic strip will bend or flex and actuate a switch which will disconnect the electric circuit. The W28-XQ1A-0.25 circuit breaker also has an instantaneous trip mechanism. This mechanism will immediately detect a short circuit, rapidly tripping and disconnecting the circuit.

The W28-XQ1A-0.25 circuit breaker also features an adjustable trip knob that allows the user to configure the circuit breaker to trip at a lower current rating if needed. This feature can be useful in applications where the circuit is multiple times more likely to experience a thermal overload than a short-circuit or vice versa.

In conclusion, W28-XQ1A-0.25 circuit breakers are designed for industrial, commercial and residential applications with a primary function of thermal overload protection. They feature a bimetallic strip which expands or contracts when the circuit experiences an overload or a short-circuit, tripping the breaker and disconnecting the circuit. Additionally, the W28-XQ1A-0.25 circuit breaker also has an adjustable trip knob that allows the user to configure the breaker to trip at a lower current rating.

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