Square D BLO34160 is a three‑pole, 1600 A fusible bolted‑pressure contact switch designed for 480 V AC service, functioning as a rugged, fuse‑protected disconnect in industrial power distribution. This front‑operated, knife‑type unit supports Class L fuses and is rated for a 200 kA interrupting capability at 600 V, making it suitable for high‑fault‑current applications in three‑phase systems. It is a NEMA 1, open‑type, single‑mount switch with terminal lugs not included, commonly used where a mechanical disconnect is needed in conjunction with fuse protection for large feeders or motors.
