Schneider Electric H365N Safety Disconnect Switch

Schneider Electric's Square D H365N Safety Disconnect Switch is a heavy-duty fusible safety switch rated for 400 A, 3-pole, 4-wire operation with one neutral, designed for indoor use on 600 V AC/DC 3‑phase systems. It provides a NEMA 1 enclosure and is rated for up to 250 HP at 600 V, making it suitable for isolating motors and other equipment in industrial applications. The H365N accepts Class H or Class K fuses and offers a short-circuit current rating (SCCR) ranging from 10 kA to 200 kA depending on configuration. This model is part of Schneider Electric's Square D family of safety switches, intended to provide a safe disconnect point for servicing electrical equipment in controlled environments. For outdoor or harsher environments, alternate enclosures are available in the same product family, such as H365NDS (NEMA 4) and H365NAWK (NEMA 12).