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Eaton MD3450W - Molded Case Circuit Breaker 450A 600V 3-Pole

Culter Hammer
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Eaton MD3450W is a 3-pole molded case circuit breaker from the Series C family, designed to provide thermal-magnetic protection with long-time and instantaneous (LI) trip functions for industrial power distribution systems. It is rated for 600V AC, 450A continuous current, and delivers a 50kA interrupting capacity at 480V, with a bolt-on connection and three-phase operation. The unit weighs 33 lb and features a compact, rugged construction suitable for panelboard or switchboard installation. This breaker complies with UL 489 and NEMA standards for overcurrent protection in commercial and industrial environments. Typical applications include feeder protection in manufacturing plants, data centers, and heavy machinery power systems.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, LI (Long-Time and Instantaneous)
  • Voltage Rating: 600V AC
  • Current Rating: 450A
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 50kA@480V
  • Phase: 3
  • Weight: 33 lb
  • Family: Series C
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • Standards: UL 489, NEMA
  • Applications: Industrial feeder protection, manufacturing, data centers, heavy machinery


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