Square D QMB266MW - Fusible Safety Switch 600A (200kA AIC @480V)

Square D QMB266MW is a fusible safety switch designed for industrial power distribution systems requiring high-current protection. This 600VAC-rated switch handles 600A continuous current with a 200kA interrupting capacity at 480V, featuring a rugged NEMA 1 enclosure for indoor use. The single-configuration, 2-pole design incorporates Class R fuses and is compatible with HED frames for panel mounting applications. UL-listed and compliant with industrial safety standards, it's engineered for motor control centers, HVAC systems, and heavy machinery power isolation.

Key Features & Specifications

• Type: Fusible safety switch, panel mount
• Voltage Rating: 600VAC
• 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 listed
• Applications: Motor control centers, industrial power distribution

Product Identification

• GTIN: 00786679774205