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Cutler Hammer LGC3630NN - Molded Case 630A 600V 3-Pole

Cutler Hammer
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Cutler Hammer LGC3630NN is a molded case circuit breaker from the Series G family, designed for overcurrent protection in industrial power distribution systems. This 3-pole, 630A unit provides thermal magnetic protection with LI (Long-Time and Instantaneous) functions, rated for 600VAC and 3-phase operation with a 100kA interrupting capacity at 480VAC. The bolt-on connection frame measures 5.48 inches in each dimension and weighs 11.9 lb, constructed as a frame-only unit without trip unit or lugs included. It is IEC Rated, CSA Certified, UL Listed, and CE Marked, suitable for use in panelboards, switchboards, and motor control centers requiring high fault current handling. Typical applications include main or feeder protection in commercial and industrial electrical systems, where reliable short-circuit and overload interruption is critical.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, LI (Long-Time and Instantaneous) functions
  • Voltage Rating: 600VAC
  • Current Rating: 630A
  • Dimensions: 5.48 in x 5.48 in x 5.48 in (Length/Depth x Height x Width)
  • Standards: IEC Rated, CSA Certified, UL Listed, CE Marked
  • Applications: Main or feeder protection in industrial power distribution
  • Poles: 3
  • Connection: Bolt-On
  • AIC rating: 100kA@480V
  • Phase: 3
  • Protection: Thermal Magnetic
  • Frame Size: Series G
  • Trip Type: LI (Long-Time and Instantaneous)
  • Breaker Type: Molded Case
  • Circuit Breaker Mounting Style: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Installation Type: Fixed
  • Breaker Frame: LGC
  • Current Rating: 630A
  • Operating Temperature Maximum Celsius: 40°C
  • Weight: 11.9 lb
  • Country of Origin: United States
  • Additional Info: Frame only, Trip unit and lugs not included


Product Identification
  • UPC: 786685182629
  • GTIN: 00786685182629