Application: Protection against overload and short-circuit in electric lines(type gG), , alo available for protection of semiconductor parts and equipment against short-circuit(type aM) and protection of motor(type aM)
Rated voltage up to 1200V; Rated current up to 630A; Working frequency 50Hz AC; Rated breaking capacity up to 80KA. Compliant with GB13539 and IEC269.
Design Features: Variable cross-section fuse element made from pure copper or silver sealed in cartridge made from high-duty ceramic or epoxy glass. Fuse tube filled with chemically treated high-purity quartz sand as arc-extinguishing medium. Dotwelding of fuse element ends to the terminals ensures reliable electric connecion and forms insert knife type contacts. Striker may be attached to the fuse links to provide immediate activation of microswitch to give various signals or cut the circuit automatically.