The MF-RX375/72-2 is a PTC resettable fuse that provides reliable overcurrent protection for low voltage applications. It is rated for a maximum voltage of 72V and a maximum interrupt current of 40A. This device features a hold current of 3.75A and a trip current of 7.50A, with an initial resistance between 0.03 and 0.05 ohms. Encased in a cured, flame-retardant epoxy, it is RoHS compliant and halogen-free. It is ideal for use in security and fire alarm systems, loudspeakers, and power transformers.