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Eaton LD3300W - Molded Case Circuit Breaker 300A 3-Pole

Cutler Hammer
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Eaton LD3300W is a 3-pole molded case circuit breaker from the Series C family, designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 300A continuous current, and features a thermal-magnetic trip mechanism with long-time and instantaneous (LI) protection functions. The unit weighs 20 lb, utilizes a bolt-on connection, and is built on an L Frame with a 35kA interrupting capacity at 480V AC, supporting 3-phase applications. This breaker complies with industry standards for molded case circuit breakers and is suited for use in switchboards, panelboards, and motor control centers requiring reliable short-circuit and overload protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, Bolt-On
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 35kA@480V
  • Frame Size: L Frame
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Weight: 20 lb
  • Family: Series C
  • Type: LD
  • Standards: Industry standard for molded case breakers
  • Applications: Industrial power distribution, switchboards, panelboards, motor control centers


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