Square D QMB363HW - Fusible Safety Switch 600V AC (100A, 3-Pole, NEMA 1)

Square D QMB363HW is a fusible safety switch designed for industrial power distribution protection. This 600V AC, 100A rated switch features a rugged NEMA 1 enclosure with three poles and accepts R, H, or K class fuses for flexible circuit protection. The panel-mount unit measures 191 mm in depth and supports 14 to 1/0 AWG aluminum/copper wiring, compliant with NEMA KS1, UL, and CSA standards. Its 200kA interrupting capacity at 480V makes it suitable for meter boards and distribution panels in commercial and industrial facilities.

Key Features & Specifications

• Type: Fusible safety switch, QMB series E1-E2
• Voltage Rating: 600V AC
• Current Rating: 100A
• Dimensions: 191 mm depth
• Weight: 10.94 lb
• Standards: NEMA KS1, UL, CSA
• Applications: Meter boards, distribution panels
• Switch Style: Fusible
• Configuration: Single
• Poles: 3
• Phase: 3
• Wire Size: 14 to 1/0 AWG (Aluminum/Copper)
• AIC Rating: 200kA@480V
• Fuse Class: R, H, K
• NEMA Rating: 1
• Panel Type: Meter board / Distribution board
• Compatible Frames: ED
• Country of Origin: United States

Product Identification

• UPC: 785901766094
• GTIN: 00785901766094