Square D QMB368W Panel Mount Switch (Fusible) - Essential Electric Supply
Square D QMB368W Panel Mount Switch (Fusible) - Essential Electric Supply

Square D QMB368W - Fusible Safety Switch 1200A 600V (200kA AIC)

Square D
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Square D QMB368W is a heavy-duty fusible safety switch designed for main disconnect and circuit protection in industrial power distribution. It provides reliable isolation and short-circuit protection with a 600V AC voltage rating and a 1200A current rating, housed in a robust NEMA 1 enclosure measuring 114.3 mm H x 112.78 mm W x 78.49 mm D and weighing 136.001 lb. The switch is certified to NEMA KS1 standards and features a 200kA interrupting capacity at 480V, ensuring compliance with rigorous safety requirements for three-phase systems in panelboards and meter boards.

Key Features & Specifications
  • Type: Fusible safety disconnect switch, QMB Series E1-E2
  • Voltage Rating: 600V AC
  • Current Rating: 1200A
  • Dimensions: 114.3 mm H x 112.78 mm W x 78.49 mm D (4.5 in x 4.44 in x 3.09 in)
  • Weight: 136.001 lb
  • Standards: Certified to NEMA KS1
  • Applications: Main disconnect for industrial distribution boards and meter boards
  • Switch Type: Fusible
  • Configuration: Single
  • Poles: 3
  • Phase: 3
  • AIC Rating: 200kA at 480V
  • Fuse Class: R
  • NEMA Rating: 1
  • Panel Type: Distribution board, Meter board
  • Compatible Frames: ED
  • Country of Origin: United States


Product Identification
  • UPC: 785901029373
  • GTIN: 00785901029373