The FSMD300R with PTC Resettable Fuses 1812 RoHS manufactured by Fuzetec is a dual circuit overcurrent protector. It is a low cost, compact and reliable device that is designed to protect your equipment from overload, overvoltage, short circuit and thermal runaway. The FSMD300R offers constant current protection up to 0.3A and has an updated open design with minimal influence on circuit performance. It also offers a RoHS compliant construction and have a status indicating LED for easy visibility. The Fuzetec PTC Resettable Fuses are designed to be self-resetting, allowing the circuit to be re-energized after they have tripped, making them an ideal solution for many automotive, industrial and consumer applications. The FSMD300R with PTC Resettable Fuses also meet UL approval and are cULus listed.