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Eaton FDB4045BP10 - 4-Pole 45A Thermal Magnetic Breaker (600V)

Cutler Hammer
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Eaton FDB4045BP10 is a 4-pole molded case circuit breaker from the Series C FDB line, designed for overcurrent protection in industrial and commercial power distribution systems. It carries a 45A current rating with a voltage rating of 600V AC and 250V DC, utilizing a fixed thermal-magnetic trip unit (T186) for LI (Long-Time and Instantaneous) protection functions. The breaker features an F Frame size with bolt-on connection, weighs 7 lb, and is rated for 14kA interrupting capacity at 600V AC in 3-phase, 50/60 Hz systems. This unit complies with UL certification standards for reliable circuit protection. It is suitable for use in panelboards, switchboards, and motor control centers requiring compact, high-interrupting molded case breakers.

Key Features & Specifications
  • Manufacturer: Eaton
  • Item Subcategory: Molded Case
  • Family: Series C
  • Type: FDB
  • Weight: 7 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: F Frame
  • Voltage Rating: 600V AC, 250V DC
  • Poles: 4
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 14kA@600V
  • Phase: 3
  • Current Rating: 45 A
  • Amperage Rating: 45 A
  • Number of Poles: 2 (from reference, but NetSuite states 4 poles; using NetSuite value: 4 poles)
  • Trip Type: Fixed thermal-magnetic (T186)
  • Circuit Breaker Type: FDB
  • Series/Frame: Series C, F-frame
  • Mounting Type: Load side terminals
  • Frequency Rating: 50/60 Hz
  • Certifications: UL Listed