Bourns MF-RX300 is a resettable fuse offering circuit protection in applications such as security and fire alarm systems, loudspeakers, and power transformers. This fuse is designed to automatically reset after a fault condition, preventing system downtime. It features radial leads, a cured flame retardant epoxy polymer insulating material meeting UL 94V-0 requirements, and is RoHS compliant. While currently available, Bourns recommends the higher voltage rated MF-RX/72 Series for new designs.