The BSMD2920-500-12V is a 12V 5A, 40A, 10A 2920 Resettable Fuses RoHS manufactured by BHFUSE. The resettable fuses are designed to protect an electrical circuit when the current flow exceeds the rated value. The fuses can be reset after an overload, meaning that they can be used multiple times in the same circuit with no need to replace the fuse. The fuses are RoHS compliant, meaning they are designed to meet the European Union's standards on hazardous chemicals used in electrical and electronic products. The fuses are also UL approved.