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Square D QMB3603T - Fusible 30A 600V Bus Plug (3-Phase)

Square D
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Square D QMB3603T is a QMB Saflex bus plug part designed for branch circuit protection and power distribution in industrial electrical systems. This fusible switch operates at a 600V voltage rating with a 30A current rating and delivers a 200kA interrupting capacity at 480V. The unit features a dual/twin configuration with three poles, a NEMA 1 enclosure, and weighs 38 lb. It is UL certified and accepts R, H, or K fuse classes for versatile overcurrent protection. This bus plug is typically used in manufacturing facilities, commercial buildings, and heavy industrial environments requiring reliable power distribution and circuit isolation.

Key Features & Specifications
  • Type: QMB Saflex Bus Plug, Fusible Switch, Dual/Twin Configuration
  • Voltage Rating: 600V AC
  • Current Rating: 30A
  • AIC Rating: 200kA@480V
  • Poles: 3
  • Phase: 3
  • Fuse Class: R, H, K
  • Switch Style: Fusible
  • Nema Rating: 1
  • Certification: UL
  • Weight: 38 lb


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