Bussmann 170M6303 is a high-speed cartridge fuse rated for 400 A at 1250 V, built in the 3SHT size with arc-resistant (aR) construction and copper terminals (CU). This 170M6303 fuse is designed to interrupt high-current faults quickly in demanding power systems and is commonly used in IGBT power supply sections and other high-voltage power electronics. The fuse measures approximately 76 x 76 x 155 mm, delivering a compact yet rugged form factor suitable for heavy industrial protection applications such as feeders, power conversion stages, and equipment protection in high-power environments.
