The Schneider Electric Square D HU366NR is a heavy-duty, non-fusible safety switch engineered for robust power control in demanding industrial environments. This three-pole switch is part of the HU series, designed to provide reliable circuit isolation and protection. It is rated for 600 amperes and 600 volts AC/DC, making it suitable for high-power applications.

Technical details

• Series: Square D HU Series
• Amperage Rating: 600 A
• Voltage Rating: 600 V AC/DC
• Number of Poles: 3
• Configuration: Non-fusible
• Horsepower Rating: Supports applications up to 500 HP
• Enclosure Type: Heavy-duty industrial
• Switch Type: Safety switch

Applications & compatibility

This safety switch is commonly employed in industrial power distribution systems, motor control circuits, and heavy machinery applications. Its robust construction and high amperage/voltage ratings make it ideal for use in manufacturing plants, processing facilities, and other environments requiring reliable electrical isolation and safety disconnects for large equipment.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Square D HU366NR or contact our technical team for cross-reference assistance with compatible Square D safety switch components.