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HFA31550M

Cutler Hammer
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Eaton HFA31550M is a 3-pole molded case circuit breaker designed for instantaneous magnetic-only protection in commercial and industrial power distribution systems. It is rated for 100A continuous current at 600V AC with a 25kA interrupting capacity at 480V AC, providing robust overcurrent protection for three-phase applications. The unit features a bolt-on connection type, weighs 11 lb, and is constructed for durability and straightforward installation in standard distribution panels. This breaker complies with UL listing standards and meets industry requirements for reliable performance in demanding environments. It is typically used in commercial and industrial settings where precise magnetic-only trip characteristics are required for motor and equipment protection.

Key Features & Specifications
  • Manufacturer: Eaton
  • Item Subcategory: Molded Case
  • Family: HFA Series
  • Type: HFA
  • Weight: 11 lb
  • Functions: I - Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Magnetic Only
  • AIC rating: 25kA@480V
  • Phase: 3
  • Current Rating: 100A
  • Part Number: HFA31550M
  • Amperage Rating: 100A
  • Voltage Rating: 600V AC
  • Number of Poles: 3
  • Mounting Type: Bolt-On
  • Interrupt Rating: 25kA @ 480V
  • Series/Frame: HFA
  • Certifications: UL Listed
  • Application: Commercial, Industrial


Eaton HFA31550M - Molded Case Circuit Breaker 100A 600V 3-Pole