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Eaton FB3040L - Molded Case Circuit Breaker 40A 3-Pole 600V

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Eaton FB3040L is a 40 amp, 3-pole molded case circuit breaker from the AB DE-ION family, designed for thermal magnetic protection with LI (Long-Time and Instantaneous) trip functions in low voltage distribution systems. It is rated for 600V AC and 250V DC operation, with an interrupting capacity of 14kA at 480V AC and 18kA at 240V AC, supporting 50/60 Hz frequency. This feed-thru connection breaker weighs 11 lb and features a fixed thermal and fixed magnetic trip type within an F-frame, Series C construction. It is UL listed for safety compliance and built for durability in demanding electrical environments. Typical applications include industrial power distribution, motor control centers, and commercial panelboards requiring reliable overcurrent protection.

Key Features & Specifications
  • Manufacturer: Eaton
  • Item Subcategory: Molded Case
  • Family: AB DE-ION
  • Type: FB
  • Weight: 11 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V AC, 250V DC
  • Poles: 3
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • AIC rating: 14kA@480V, 18kA@240V
  • Phase: 3
  • Current Rating: 40A
  • Frame Type: F-Frame
  • Series: Series C
  • Trip Type: Fixed thermal, fixed magnetic
  • Frequency: 50/60 Hz
  • UL Listed