The Schneider Electric Square D H321AWK is a heavy-duty, single-throw safety switch designed for robust industrial power distribution and equipment isolation. This three-pole switch is engineered for demanding applications requiring reliable circuit interruption and protection. It is commonly utilized in manufacturing facilities, processing plants, and heavy machinery installations where safety and operational continuity are paramount.

Technical details

• Series: Square D Heavy Duty Safety Switch
• Configuration: 3-Pole
• Rated Current: 30 Amperes (A)
• Voltage Rating: 240 Volts Alternating Current (V AC)
• Horsepower Rating: Up to 7.5 HP (at 240V AC)
• Enclosure Type: NEMA 3R/12 rated, providing protection against falling dirt, rain, sleet, snow, and external ice formation (NEMA 3R), as well as protection against dust, falling dirt, and dripping or light splashing of water, oil, or coolant (NEMA 12).
• Switching Action: Single-throw, meaning the switch is either fully ON or fully OFF.
• Terminal Type: Suitable for copper or aluminum conductors.

Applications & compatibility

This safety switch is ideal for applications requiring a disconnect for motor loads, such as in packaging machinery, conveyor systems, and pump controls. Its robust construction and NEMA 3R/12 rating make it suitable for both indoor and outdoor installations where environmental protection is necessary. The H321AWK is designed to meet stringent safety standards for equipment isolation during maintenance or emergency shutdown procedures.

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 H321AWK or contact our technical team for cross-reference assistance with compatible Square D safety switch components.