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Cutler Hammer LGU3630NN - Molded Case Breaker Frame 630A 600V

Cutler Hammer
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Cutler Hammer LGU3630NN is a molded case circuit breaker frame designed for providing robust overcurrent protection in demanding three-phase industrial power systems. It features a 630A current rating and a 600V voltage rating, housed within a compact, cube-shaped thermal-magnetic frame measuring 5.48 inches per side and weighing 11.9 lb. The breaker is certified to major international standards including UL, CSA, IEC, and CE, ensuring compliance for global installations in applications like motor control centers, switchgear, and power distribution panels. Its 150kA interrupting capacity at 480V and bolt-on connection provide reliable protection against short circuits and overloads.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker Frame (LGU Type, Series G), Thermal-Magnetic Protection, LI (Long-Time and Instantaneous) Trip Functions
  • Voltage Rating: 600V AC
  • Current Rating: 630A
  • Dimensions: 5.48 in L x 5.48 in H x 5.48 in W
  • Standards: UL Listed, CSA Certified, IEC Rated, CE Marked
  • Applications: Industrial power distribution, switchgear, motor control centers
  • Phase: 3
  • AIC Rating: 150kA @ 480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: LGU
  • Country of Origin: United States
  • Weight: 11.9 lb
  • Additional Info: Frame only; does not include lugs or a trip unit.


Product Identification
  • UPC: 786685184586
  • GTIN: 00786685184586