Square D QMB367MW - Fusible Safety Switch 800A@600V (200kA AIC, NEMA 1)

Square D QMB367MW is a fusible panel-mounted safety switch designed for high-current industrial power distribution systems. This 3-pole switch features a 600V AC voltage rating and 800A current capacity with a 200kA interrupting rating at 480V for robust short-circuit protection. The rugged NEMA 1 enclosure measures 381 x 112.78 x 78.49 mm (HxWxD) and weighs 125 lb, constructed with CSA/UL-certified R-class fuse compatibility. Compliant with industrial safety standards, it's engineered for use in commercial power panels, manufacturing facilities, and heavy equipment control systems requiring ED-frame compatibility.

Key Features & Specifications

• Type: Fusible safety switch, panel mount, QMB Series E1-E2
• Voltage Rating: 600V AC
• Current Rating: 800A
• Dimensions: 15.00 x 4.44 x 3.09 in (381 x 112.78 x 78.49 mm)
• Standards: CSA, UL certified
• Applications: Industrial power distribution, commercial panels
• Switch Style: Fusible
• Configuration: Single
• Poles: 3
• Phase: 3
• AIC rating: 200kA@480V
• Fuse Class: R
• Nema Rating: 1
• Compatible Frames: ED
• Weight: 125 lb

Product Identification

• UPC: 785901785552
• GTIN: 00785901785552