The Schneider Electric Square D H366NR is a heavy-duty fusible safety switch designed for robust electrical control and protection in demanding industrial environments. This single-throw switch, part of the H-series, is engineered for reliable operation and features a NEMA 3R enclosure suitable for both indoor and outdoor installations, providing protection against rain and sleet.

Technical Details

• Series: Square D H-Series
• Switch Type: Fusible Safety Switch
• Configuration: Single Throw
• Voltage Rating: 600V AC/DC
• Current Rating: 600 Amperes
• Enclosure Type: NEMA 3R (suitable for outdoor use, protection against rain and sleet)
• Duty Rating: Heavy Duty
• Fuse Type Compatibility: Designed to accept specified industrial fuses (verify fuse type and rating with manufacturer datasheet for your application)

Applications & Compatibility

This heavy-duty safety switch is commonly employed in applications requiring reliable circuit interruption and overcurrent protection, such as main disconnects for machinery, power distribution panels, and motor control centers. Its NEMA 3R rating makes it suitable for installations exposed to environmental elements in manufacturing plants, outdoor substations, and heavy industrial facilities.

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 H366NR or contact our technical team for cross-reference assistance with compatible Square D components.