UPL11-31235-1 Circuit Protection

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Circuit breakers are widely used in all kinds of power systems to protect against malfunctions caused by various faults or conditions. The UPL11-31235-1 is a thermal-magnetic molded case circuit breaker. It is a type of circuit breaker that provides overload protection for an electrical circuit, as well as short-circuit protection and ground fault protection.

The UPL11-31235-1 features 1500V AC and 300V DC ratings, covering a variety of system voltages. In addition, it has a current rating of 63A and a breaking capacity of 20kA AC at 630V. The breaker can be used in industrial, commercial, and residential applications.

The UPL11-31235-1 works by detecting an overcurrent in an electrical circuit and automatically disconnecting the circuit when the current exceeds a set limit. The breaker also provides ground fault protection, which protects people from shocks and other hazards due to ground faults. Additionally, the breaker provides short-circuit protection, preventing costly damage to electrical equipment due to high current in the circuit.

The UPL11-31235-1 features a thermal-magnetic mechanism, as opposed to an electronic mechanism. Thermal-magnetic circuit breakers are composed of two separate elements, a thermal element and a magnetic element. The thermal element responds to the heat generated by the current flowing through the circuit, disconnecting the circuit when the current reaches a set limit. The magnetic element trips when there is an abnormally large current, such as a short circuit or a lightning strike.

The breaker also has a number of features that make it particularly suitable for various applications. For instance, the trip current can be adjusted to match the application, allowing for a higher level of control and protection. Similarly, the breaker’s adjustable pickup and time delay settings allow it to be tailored to the application at hand. The breaker also has an external manual reset function, which allows it to be reset even if it trips while the power is disconnected.

Overall, the UPL11-31235-1 is a reliable thermal-magnetic molded case circuit breaker that provides overload, ground fault, and short-circuit protection. It is suitable for use in industrial, commercial, and residential applications, due to its adjustable trip current, pickup, and time delay settings, as well as its external manual reset function.

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