FM09A250V4A

FM09A250V4A is a high-performance, multi-application fuse designed for circuit protection. The fuse has two different functions, either as a resettable overload or as an adjustable overload with current limiting. The FM09A250V4A has multiple mounting options to fit any application position.

In terms of application field, the FM09A250V4A is mainly used as a circuit protection device at the end of power cables, telecommunication networks, computer systems and other industrial equipments. It is also used to protect house equipment, such as air conditioners, refrigerators and microwave ovens. It is extremely flexible and easy to install.

The working principle of the FM09A250V4A is based on a thermoelectric element. This element is responsible for detecting an abnormal increase of current in the circuit and protecting it from electrical over-currents. The fuse will react when the current exceeds the set current limit of the fuse. When this happens, the thermoelectric element will heat up and the fuse will open, thus preventing further damage to the circuit. Once the current has been reduced, the fuse will automatically shut off, thus resetting itself and allowing the circuit to resume operation.

The FM09A250V4A has a nominal rated voltage of 250 volts. It has a rated current of 9 amps and an opening time of 0.00-0.001 seconds. The fuse is UL, CUL, RoHS, and CE safety compliant. It is also highly reliable, even when exposed to high temperatures.

In conclusion, the FM09A250V4A is an ideal protection device for a wide range of applications. It is easy to install, UL approved, and its working principle is based on an advanced thermoelectric element. The FM09A250V4A works by detecting an abnormal increase of current and protecting circuits from electrical over-currents.