Cooper Bussmann 170M7642 Square Body Fuse 6000A 800V Class AR MRO

Cooper Bussmann 170M7642 is a high-speed, square-body fuse from the Bussmann 170M family. It is rated for 6000 A and 800 V and carries UL Class AR (aR) certification, enabling rapid interruption of fault currents in high-current circuits while meeting safety standards. As part of the 170M series, it belongs to a line of square-body fuses designed for fast-acting protection in industrial electrical installations where compact form-factor and high current capability are required. The model designation 170M7642 identifies a specific device within this family, designed to protect distribution equipment and conductors from short circuits in heavy-duty applications, with the MRO designation indicating its suitability for maintenance, repair, and operations contexts.