Square D QMB334TW - Fusible Safety Switch 200A 600V 3-Pole
Square D QMB334TW - Fusible Safety Switch 200A 600V 3-Pole
Square D QMB334TW - Fusible Safety Switch 200A 600V 3-Pole
Square D QMB334TW - Fusible Safety Switch 200A 600V 3-Pole
Square D QMB334TW - Fusible Safety Switch 200A 600V 3-Pole
Square D QMB334TW - Fusible Safety Switch 200A 600V 3-Pole
Square D QMB334TW - Fusible Safety Switch 200A 600V 3-Pole
Square D QMB334TW - Fusible Safety Switch 200A 600V 3-Pole

Square D QMB334TW - Fusible Safety Switch 200A 600V 3-Pole

Square D
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The Square D QMB334TW is a panel-mounted, fusible safety switch designed to provide reliable circuit protection and isolation in industrial three-phase power systems. It features a 600V AC voltage rating and a 200A current rating, housed in a compact, rugged enclosure measuring 58.4 mm deep by 47.1 mm wide by 35.3 mm high with a weight of 30 lb. This switch is engineered for compliance with NEMA 1 standards and offers a high interrupting capacity of 200kA at 480V AC. Its robust construction makes it suitable for demanding applications such as motor control centers, industrial machinery, and power distribution panels where secure disconnection and fuse protection are critical.

Key Features & Specifications
  • Type: Panel-mounted, fusible safety switch, dual/twin configuration
  • Voltage Rating: 600V AC
  • Current Rating: 200A
  • Dimensions: 58.4 mm D x 47.1 mm W x 35.3 mm H (2.30" x 1.85" x 1.39")
  • Weight: 30 lb
  • Standards: NEMA 1 rated
  • Applications: Industrial motor control, power distribution, machinery disconnects
  • Switch Type: Fusible
  • Configuration: Dual/Twin
  • Poles: 3
  • Phase: 3
  • AIC Rating: 200kA @ 480V AC
  • Fuse Class: T
  • Compatible Frames: ED frame
  • Family: QMB Series E1-E2


Product Identification
  • GTIN: 00785901029274