The Schneider Electric Square D H321DSEI is a heavy-duty fusible safety switch designed for robust power control in demanding industrial environments. This three-pole switch, part of the H321 series, features a 30-amp rating and is constructed with 304 stainless steel, ensuring exceptional durability and resistance to corrosion, dust, and water ingress for both indoor and outdoor applications.

Technical details

• Series: Square D H321
• Amperage Rating: 30 Amps
• Number of Poles: 3
• Enclosure Material: 304 Stainless Steel
• Enclosure Type: Heavy-duty, watertight, dust-tight, corrosion-resistant
• Mounting: Suitable for indoor and outdoor installations
• Fuse Type Compatibility: Consult manufacturer datasheet for specific fuse type compatibility (e.g., Class H, K, R, J, T)
• Voltage Rating: Consult manufacturer datasheet for specific voltage rating (e.g., 240VAC, 600VAC)

Applications & compatibility

This fusible safety switch is ideal for applications requiring reliable circuit isolation and protection in harsh conditions, such as food and beverage processing plants, chemical facilities, wastewater treatment plants, and outdoor electrical distribution panels. It is commonly integrated into machinery and systems where dust, moisture, or corrosive elements are present, ensuring operational continuity and safety.

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 H321DSEI or contact our technical team for cross-reference assistance with compatible safety switch components.