Square D QMB2640 - Fusible Safety Switch 400A@600V (200kA AIC)

Square D QMB2640 is a fusible safety switch designed for industrial power distribution protection. This panel-mounted device features a 600V voltage rating and 400A current capacity with a 200kA interrupting rating at 480V for robust circuit protection. The NEMA 1-rated enclosure houses a single-configuration, 2-pole switch constructed with Class R fuses for reliable operation. Compliant with industrial safety standards, it integrates with ED-frame panels for heavy-duty applications like motor control centers and power distribution systems.

Key Features & Specifications

• Type: QMB Saflex fusible safety switch
• Voltage Rating: 600V AC
• Current Rating: 400A
• Configuration: Single
• Poles: 2
• AIC Rating: 200kA@480V
• Fuse Class: R
• NEMA Rating: 1
• Phase: 1
• Compatible Frames: ED
• Switch Style: Fusible
• Weight: 65 lb

Product Identification

• GTIN: 00786679783443