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Eaton KDB3125L - Molded Case Circuit Breaker 125A 3-Pole

Cutler Hammer
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Eaton KDB3125L is a 3-pole molded case circuit breaker from the Series C family, designed to provide long-time and instantaneous (LI) overcurrent protection in industrial and commercial power distribution systems. This thermal magnetic unit is rated for 125A at 600VAC, with an interrupting capacity of 35kA at 480VAC, and operates on 50/60Hz systems at 40 degrees Celsius. Housed in a K Frame with a feed-thru connection, the breaker weighs 13 lb and features a non-interchangeable trip unit for consistent performance. It complies with industry standards for reliable circuit protection in demanding environments. Typical applications include panelboards, switchboards, and motor control centers in industrial facilities.

Key Features & Specifications
  • Manufacturer: Eaton
  • Item Subcategory: Molded Case
  • Family: Series C
  • Type: KDB
  • Weight: 13 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: K Frame
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • AIC rating: 35kA@480V
  • Phase: 3
  • Current Rating: 125A
  • Interrupt Rating: 25KAIC @ 600V
  • Interrupt Rating: 65KA @ 240VAC
  • Frequency: 50/60Hz