Square D QMB322 - Fusible Safety Switch 60A@240V (200kA AIC)

Square D QMB322 is a fusible safety switch designed for industrial power distribution systems requiring high fault current protection. This 3-pole panel-mounted switch handles 240V AC systems with a 60A current rating and 200kA interrupting capacity, constructed with a rugged NEMA 1 enclosure for indoor use. It complies with industry standards for fusible disconnects, accepting Class R, H, and K fuses in HHED compatible frames. The QMB Series D2 switch is commonly deployed in motor control centers, HVAC systems, and heavy machinery power isolation applications.

Key Features & Specifications

• Type: Fusible safety switch, panel mount, 3-pole single configuration
• Voltage Rating: 240V AC
• Current Rating: 60A
• Dimensions: NEMA 1 enclosure (specific dimensions not provided)
• Standards: Industrial safety switch standards (specific certifications not provided)
• Applications: Motor control centers, HVAC systems, industrial machinery
• Switch Type: Fusible
• Configuration: Single
• Poles: 3
• AIC rating: 200kA@240V
• Phase: 3
• Fuse Class: R, H, K
• Compatible Frames: HHED
• Weight: 30 lb
• Nema Rating: 1