UTS250N-FTU-250A-3P-LL-UL

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Circuit Breakers are a widely used device in households and businesses all around the world. They are designed to protect against overloads and short circuits, thus providing protection for wiring systems, motors, appliances, and electrical systems. The UTS250N-FTU-250A-3P-LL-UL is a type of circuit breaker and its application field and working principle will be discussed in the following sections.

Application field

The UTS250N-FTU-250A-3P-LL-UL circuit breaker is capable of controlling and isolating circuits, providing protection from over current and short circuits. This type of circuit breaker is typically used in a wide variety of residential and commercial applications such as homes, offices, and shopping centers. It is commonly used for controlling fluorescent and neon lamps, electronic devices, and other low-voltage lighting. In addition, the UTS250N-FTU-250A-3P-LL-UL circuit breaker can be used for the protection of motors and other electrical-mechanical components.

Working Principle

The UTS250N-FTU-250A-3P-LL-UL circuit breaker is a 3-pole switch that connects and disconnects an overload protected circuit when an overload current or short circuit occurs. It consists of three main components: a thermomagnetic switch, a thermal bimetallic switch, and a trip type. The thermomagnetic switch senses the current in the protected circuit and when an overload or short circuit occurs, it trips the switch. The thermal bimetallic switch is used to prevent the over current trip action from happening under normal operating conditions. Finally, the trip type is used to select the best type of protection required for each application. The trip type includes Class A, B, C, and D.

The UTS250N-FTU-250A-3P-LL-UL circuit breaker has a set of contacts that is designed to remain closed until it detects an overload or short circuit condition. Once the preset limit is exceed, the contacts are opened, thus disconnecting the circuit from the power source. The contacts remain open until the fault is cleared and the circuit breaker is reset. The circuit breaker also features an “Undervoltage Trip” protection mode which will trip the circuit breaker if the voltage supply falls below a set level. This feature is commonly used in applications where the voltage supply is subject to severe fluctuations.

The UTS250N-FTU-250A-3P-LL-UL circuit breaker also features a “Manual Reset” option which will allow the user to manually reset the circuit breaker in the event of a trip. This will ensure the power supply is disconnected until the fault is clear and the circuit breaker is reset. The circuit breaker also features a “Fail Safe” mode which will trip the circuit breaker if the temperature of the internal components exceeds a set level. This feature is commonly used in applications where high performance and reliability are critical.

In conclusion, the UTS250N-FTU-250A-3P-LL-UL circuit breaker is a versatile piece of equipment that is used in a wide variety of applications. Its wide range of features ensures it can provide reliable protection from over currents and short circuits, thereby ensuring the safety of wiring systems, motors, appliances, and electrical systems. The combination of its low cost and wide range of features make it an excellent choice for a variety of applications.

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