Mitsubishi DSN400-SW-4P-400A 4-Pole 400A Switch Disconnector

The Mitsubishi DSN400-SW-4P-400A is a heavy-duty four-pole switch disconnector designed for low-voltage power distribution, circuit isolation, and electrical panel protection. Built for industrial power control systems and switchboards, this disconnector ensures reliable manual isolation and switching of electrical circuits during routine operation, maintenance, and servicing. With a 400 A current rating and a robust four-pole structure, the unit is engineered to safely isolate all active phases in main switchgear, control panels, and machine power feeds. The Mitsubishi DSN series switch disconnectors provide dependable performance under demanding industrial conditions, safeguarding downstream automation equipment, drives, and motor circuits from unintended energization. This switch disconnector is suited for use across manufacturing plants, automated facilities, and distribution boards requiring safe disconnection and robust circuit isolation.