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Square D QMB30R - Fusible 30A 600V Bus Plug

Square D
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Square D QMB30R is a fusible bus plug designed for power distribution and circuit protection in industrial and commercial electrical systems. It is rated for 30A at 600VAC in a 3-phase, 4-wire configuration, providing a 100kA interrupt rating for robust fault protection. The unit features a plug-in mounting style for direct connection to I-Line busway systems, with a fusible trip unit for reliable overcurrent protection, and weighs 1 lb. It is UL Listed, ensuring compliance with recognized safety and performance standards. This bus plug is typically applied in busway power distribution networks within factories, data centers, and commercial facilities.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Bus Plug Part
  • Amperage: 30A
  • Voltage: 600VAC
  • Phases: 3
  • Wires: 4
  • Interrupt Rating: 100kA
  • Mounting Type: Plug-In
  • Series/Frame: I-Line
  • Trip Unit: Fusible
  • Certifications: UL Listed
  • Application: Busway Power Distribution
  • Weight: 1 lb


Product Identification
  • UPC: 78590102594
  • GTIN: 00785901025948