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Cutler Hammer NBDC31200MW - Molded Case Circuit Breaker 1200A 600V

Cutler Hammer
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Cutler Hammer NBDC31200MW is a molded case circuit breaker designed for providing robust overcurrent protection in demanding three-phase industrial power systems. It features a 1200A current rating and a 600V voltage rating, engineered to interrupt fault currents up to 50kA. The breaker is constructed with a compact, three-pole bolt-on configuration measuring 5.5 in x 8.25 in x 8.25 in and utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous (LI) protection functions. It is UL 489 certified, ensuring compliance with industry safety standards for circuit breaker enclosures, making it suitable for use in industrial panels, switchboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Long-Time and Instantaneous (LI) Trip Functions
  • Voltage Rating: 600V AC
  • Current Rating: 1200A
  • Dimensions: 5.5 in (Depth) x 8.25 in (Height) x 8.25 in (Width)
  • Standards: UL 489
  • Applications: Industrial Power Distribution, Switchboards, Motor Control Centers
  • Switch Type: Circuit Breaker
  • Configuration: Three-Pole
  • Connection: Bolt-On
  • Phase: 3
  • AIC Rating: 50kA @ 600V
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Certification: UL 489
  • Country of Origin: United States
  • Family: NB Series
  • Item Subcategory: Molded Case


Product Identification
  • UPC: 786679558027
  • GTIN: 00786679558027