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

Square D
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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