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Eaton MD3450 - Molded Case 450A 600V 3-Pole Breaker

Cutler Hammer
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Eaton Series C MD3450 is a 3-pole molded case circuit breaker designed for thermal magnetic protection in industrial power distribution systems. It is rated for 600V AC, 450A continuous current, and provides LI (Long-Time and Instantaneous) protection functions with a 50kA interrupting capacity at 480V. This feed-thru connection breaker weighs 34 lb and is part of the MD frame family, featuring a compact molded case construction for panelboard or switchboard installation. It complies with UL 489 and CSA standards for overcurrent protection in commercial and industrial applications. Typical uses include main or feeder protection in manufacturing plants, data centers, and large commercial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, LI (Long-Time and Instantaneous) trip
  • Voltage Rating: 600V AC
  • Current Rating: 450A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 50kA@480V
  • Connection: Feed-Thru
  • Functions: LI - Long-Time and Instantaneous
  • Family: Series C
  • Weight: 34 lb
  • Manufacturer: Eaton


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