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Cutler Hammer 919451 - 100A 600V AC Molded Case Breaker

Cutler Hammer
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Cutler Hammer 919451 is a molded case circuit breaker designed for overcurrent protection and electrical system isolation in industrial power distribution. It is rated for 600 volts AC and 100 amperes, providing reliable interruption of fault currents. The unit features a compact, insulated case construction with a weight of 5.19 lb, suitable for panelboard or switchboard mounting. This breaker complies with UL 489 and NEMA AB-1 standards for safety and performance. Typical applications include motor control centers, lighting panels, and branch circuit protection in manufacturing facilities.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip
  • Voltage Rating: 600 V AC
  • Current Rating: 100 A
  • Dimensions: Standard frame size
  • Standards: UL 489, NEMA AB-1
  • Applications: Industrial power distribution, motor control centers
  • Breaker Type: Molded case
  • Trip Type: Thermal-magnetic
  • Poles: 3
  • Frequency Rating: 50/60 Hz
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Line and load lugs
  • Weight: 5.19 lb


Product Identification
  • UPC: 78211321121
  • GTIN: 00782113211213