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HFD4090

Cutler Hammer
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Eaton HFD4090 is a 4-pole molded case circuit breaker from the Series C F Frame family, designed for long-time and instantaneous (LI) thermal-magnetic protection in industrial power distribution systems. It is rated for 90A at 600 VAC and 250 VDC, with a high interrupting capacity of 65kA at 480VAC, and features a bolt-on connection for secure panel mounting. Weighing 7 lb, this 3-phase breaker incorporates a fixed trip unit and a patented high-speed blow-open contact design for enhanced fault clearing. It complies with applicable UL and industry standards for reliable performance in demanding environments. Typical applications include motor control centers, switchboards, and industrial panelboards requiring robust overcurrent protection.

Key Features & Specifications
  • Type: Molded Case
  • Manufacturer: Eaton
  • Family: Series C
  • Type: HFD
  • Weight: 7 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: F Frame
  • Voltage Rating: 600 VAC, 250 VDC
  • Poles: 4
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 65kA at 480VAC
  • Phase: 3
  • Current Rating: 90A
  • Amperage: 90 Amp
  • Interrupt Rating: 65 kA at 240 VAC, 35 kA at 480 VAC
  • Trip Unit: Fixed Thermal-Magnetic
  • Mounting Type: Bolt-On
  • Frequency: 50/60 Hz


Eaton HFD4090 - Molded Case Circuit Breaker 90A 600V 4-Pole