400A 3-Pole Molded Case Isolator 690V – Frame IS400S

A 400A, 3-pole molded case isolator rated for 690V operation, designed for main circuit isolation and power distribution in industrial and commercial installations. The IS400S frame size (255 × 140 × 105 mm) provides a compact footprint suitable for panel-mounted applications where space is limited. Ideal for electrical contractors, facilities managers, and industrial maintenance teams requiring reliable load-break isolation.