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GMC-630 - Molded Case Circuit Breaker 600V 630A

United Fuses
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GMC-630 is a heavy-duty industrial circuit breaker designed for primary overcurrent protection in electrical distribution systems. It is rated for 600V AC and 630A continuous current, with a robust interrupting capacity suitable for high-fault applications. The unit features a molded case construction with a compact frame size, weighing 5.19 lb, and includes thermal-magnetic trip elements for precise overload and short-circuit response. This breaker complies with UL 489 and NEMA AB-1 standards, ensuring reliable performance in demanding environments. Typical applications include motor control centers, panelboards, and main service disconnects in manufacturing and commercial facilities.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip, 3-pole
  • Voltage Rating: 600V AC
  • Current Rating: 630A
  • Dimensions: Compact frame size (specific dimensions not provided)
  • Standards: UL 489, NEMA AB-1
  • Applications: Motor control centers, panelboards, main service disconnects
  • Weight: 5.19 lb
  • Breaker Type: Thermal-magnetic
  • Poles: 3
  • Phase: 3-phase
  • Connection: Line and load lugs
  • Frame Size: Standard molded case
  • Trip Type: Fixed thermal-magnetic
  • Enclosure: Open type (no enclosure)
  • Frequency Rating: 50/60 Hz
  • Circuit Breaker Mounting Style: Panel mount
  • Terminal Connection: Copper or aluminum lugs
  • Installation Type: Fixed
  • Item QTY: 1


Product Identification
  • UPC: Not provided
  • GTIN: Not provided