Square D QMB266W - Fusible Safety Switch 600V/600A (200kA AIC @480V)

Square D QMB266W is a panel-mounted fusible safety switch designed for industrial power distribution protection. This 600V/600A single-phase switch features a 200kA interrupting capacity at 480V and NEMA 1-rated enclosure for basic indoor applications. The rugged 70 lb unit utilizes Class R fuses in a 2-pole configuration, compatible with HED frames for standardized installations. UL-listed and CSA-certified, it meets industrial safety requirements for motor control centers and power distribution panels.

Key Features & Specifications

• Type: Fusible safety switch, panel mount
• Voltage Rating: 600V AC
• Current Rating: 600A
• Configuration: Single
• Poles: 2
• AIC Rating: 200kA@480V
• Fuse Class: R
• NEMA Rating: 1
• Phase: 1
• Compatible Frames: HED
• Weight: 70 lb
• Standards: UL/CSA listed
• Applications: Motor control centers, power distribution

Product Identification

• GTIN: 00783643193451