Edco HSP-121A 120VAC NEMA 4X hardwire filtering surge protector.
HSP-121A Surge Protector.
The Emerson Edco HSP-121A is a UL 1449 Listed, 120V AC input, 120V AC 15A output, filtering advanced three-stage hardwired terminal block power line surge protection. Features include noise filtering, NEMA-4X enclosure, common mode and normal mode protection. In addition, the HSP-121A can be installed using conduit fittings and can be mounted inside or outside of electronic panel enclosures.
The HSP-121A offers a replaceable fuse designed to remove the load (protected equipment) from the line if the unit is either overloaded or the internal protection fails. This feature prevents surges from entering equipment through a failed protector, not noticed by the user.