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Eaton MD3300 - Molded Case Circuit Breaker 300A 600V 3-Pole

Culter Hammer
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Eaton Series C MD3300 is a 3-pole molded case circuit breaker designed for thermal-magnetic protection with long-time and instantaneous (LI) trip functions. It is rated for 600V AC, 300A continuous current, and delivers a 50kA interrupting capacity at 480V AC in a 3-phase system. The unit weighs 34 lb and features a feed-thru connection configuration. This breaker complies with applicable UL and NEMA standards for industrial power distribution. It is typically applied in panelboards, switchboards, and motor control centers for overcurrent protection.

Key Features & Specifications
  • Type: Molded Case, Series C, MD frame
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Poles: 3
  • Phase: 3
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC rating: 50kA@480V
  • Weight: 34 lb


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