Siemens 170L9679 High Speed Fuse Link Assembly is a Bussmann/Eaton high‑speed fuse link rated for 450 A and up to 2,000 V AC, designed for DIN/IEC square‑body switchgear with a 3TN/170 AR footprint. The assembly measures 76 mm wide by 90 mm high by 201 mm deep and carries a single indicator with an aR designation, reflecting its arc‑resistant fault‑protection role in industrial power distribution. This 450 A, 2 kV fuse link is intended for protecting feeders and busbars in electrical switchgear and is part of the 170L9679 family commonly used in demanding distribution applications.
