Square D QMB363HW - Fusible Safety Switch 100A 600V (3-Pole, 200kA AIC)

Square D QMB363HW is a fusible safety switch designed for industrial power distribution protection in three-phase systems. This panel-mounted device operates at 600V AC with a 100A current rating and features a 200kA interrupting capacity at 480V for reliable circuit protection. The switch accommodates R, H, and K class fuses and supports wire sizes from 14 to 1/0 AWG for both aluminum and copper conductors in its NEMA 1 rated enclosure. Certified to NEMA KS1, UL, and CSA standards, this switch ensures compliance with industrial safety requirements. Typical applications include meter boards and distribution boards where robust circuit protection is essential for industrial power management.

Key Features & Specifications

• Type: Fusible safety switch, panel mount, 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 boards
• Switch Type: Fusible
• Configuration: Single
• Phase: 3
• Poles: 3
• AIC Rating: 200kA@480V
• Fuse Class: R, H, K
• Wire Size: 14 to 1/0 AWG Aluminum/Copper
• NEMA Rating: 1
• Panel Type: Meter board, distribution board
• Compatible Frames: ED
• Country of Origin: United States

Product Identification

• UPC: 785901766094
• GTIN: 00785901766094