0UCB020.X

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Circuit Breakers are widely used in many different applications, including industrial, military and residential. The 0UCB020.X is a circuit breaker from Littelfuse designed for industrial use. In this article, we will discuss the application fields and working principles of the 0UCB020.X.

The 0UCB020.X is a miniature circuit breaker designed for applications requiring high reliability and long operational life. It is rated for both AC and DC operation, capable of interrupting currents up to 20A at AC and DC. This circuit breaker includes a bimetallic pad that can monitor both temperatures and current. When the current exceeds the trip point, the bimetallic pad will bend, triggering the heat trip mechanism.

The 0UCB020.X is primarily used in industrial applications, such as HVAC, elevators, machine tools, and pumps. It can also be used in military and residential applications, such as generator circuit protection and residential lighting protection. In addition, the 0UCB020.X is ideal for applications where space is at a premium and the circuit needs to be monitored for both current and temperature. The 0UCB020.X is also an excellent choice for applications that require rapid overcurrent protection.

The 0UCB020.X circuit breaker works in accordance to thermomagnetic principles. The temperature of the element is monitored by the bimetallic strip. When the temperature reaches the predetermined trip point, the bimetallic strip will bend, triggering the heat trip mechanism. The circuit breaker also includes an electromagnetic coil that is magnetically coupled to a trip lever arm. When the current exceeds the trip point, the magnetic force on the arm will increase and cause the arm to move, thus opening the circuit.

The 0UCB020.X is constructed with a trip unit that is capable of sensing both current and temperature. The trip unit contains a temperature sensor, a bimetallic pad, and an electromagnetic coil. The temperature sensor is used to monitor the temperature of the element and will trigger the heat trip mechanism when the temperature reaches the predetermined trip point. The bimetallic pad monitors both temperatures and current and will bend when the current exceeds the trip point, triggering the heat trip mechanism. The electromagnetic coil is magnetically coupled to a trip lever arm, and will cause the arm to move when the current exceeds the trip point.

The 0UCB020.X circuit breaker is designed for applications requiring reliability and long operational life. It is a reliable, robust, and space-efficient solution for overcurrent protection applications. The circuit breaker is ideal for industrial, military, and residential applications, as it can provide both current and temperature monitoring. In addition, the 0UCB020.X is suitable for applications where space is limited and the circuit needs to be monitored for both current and temperature.

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