Cooper Bussmann 250MT is a high-speed British-standard fuse from the Eaton Bussmann series, housed in a single-barrel package and rated for 250 A. It supports voltages up to 690 VAC and 350 VDC (IEC), with a UL rating up to 700 VAC, and it carries a Class aR interrupting rating with a 200 kA RMS symmetrical breaking capacity and 40 kA DC at 350 VDC (IEC). This fuse is designed to provide fast fault clearing in high-voltage power-distribution circuits requiring reliable overcurrent protection.
