250R120-R3U

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PTC resettable fuses are designed to protect electrical circuits from overload and short circuit while providing reliable and efficient protection for a variety of industrial, commercial and consumer products. The thermal protection provided by PTC resettable fuses has made them an important component in the safety and reliability of any application.

The 250R120-R3U is a UL approved, Class R, 250V resettable fuse. It offers superior arc fault protection and a low over current fault current rating of 10A. The low power rating makes it an ideal choice for applications such as circuit protection, ac/dc converters, and DC-DC converters.

The 250R120-R3U offers excellent performance in applications where the load needs to be protected from shorts, overloads, and ground faults. It can be used to protect a wide range of loads, including motors, pumps, lighting systems, communications systems and other electronic equipment. The protective element of the fuse has an operating temperature range of -55 to 125 degrees Celsius.

The 250R120-R3U has a unique design that allows it to offer comprehensive protection while providing superior cooling. The thermal protection afforded by the device is increased through the use of a low resistance shunt. This allows the fuse to activate when a short circuit occurs, thus creating an open circuit and eliminating the risk of electrical fire.

The 250R120-R3U also has a working principle that offers protection against over-current faults by means of a thermal circuit breaker. The fuse contains a strip of PTC material that serves to control the flow of current. When an over current fault occurs, the temperature of the PTC strip rises and causes the thermal circuit breaker to trip, thus cutting off the flow of current and protecting the downstream components from damage.

The 250R120-R3U is suitable for use in a variety of applications, including industrial machinery, commercial and consumer products, and communication systems. It is also designed to meet UL, CSA, and CE regulations, and is considered suitable for use in high temperature locations. In addition, it is RoHS and REACH compliant, making it suitable for use in any environment.

The 250R120-R3U is a reliable and efficient resettable fuse that offers superior arc fault protection and comprehensive PTC thermal protection. It is an ideal choice for a variety of applications, and is designed to meet strict safety regulations. It is a cost-effective solution for protecting circuits from overloads, short circuits, and ground faults.

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