HFD3175L - 175Amp Circuit Breaker

HFD3175L - 175Amp Circuit Breaker

When you’re replacing a circuit breaker in existing equipment, the details matter. The Eaton HFD3175L is a 175 Amp, three-pole Series C molded case circuit breaker built around Eaton’s HFD F-frame configuration. It carries ratings of 600 VAC and 250 VDC, operates at 50–60 Hz, and uses a thermal-magnetic T186 trip. The breaker also comes with line and load terminals, which is an important detail to check when matching an existing installation.

Key Features and Benefits

• 175 Amp rating for equipment designed around this specific current requirement.
• Three-pole design for compatible three-phase electrical applications.
• Series C HFD, F-frame configuration helps simplify identification when matching an existing breaker.
• Rated for 600 VAC and 250 VDC.
• Thermal-magnetic trip operation with Eaton T186 trip type.
• Includes line and load terminals, an important consideration when checking replacement compatibility.
• Designed for 50–60 Hz electrical systems.
• Supplied as a complete molded case circuit breaker.
• UL Listed for applications requiring the applicable UL certification.

Technical Specifications

• Manufacturer: Eaton
  
• Catalog Number: HFD3175L
  
• UPC: 786679015476
  
• Product Type: Molded Case Circuit Breaker
  
• Series: Series C
  
• Breaker Type: HFD
  
• Frame: F
  
• Frame Type: Complete Breaker
  
• Amperage Rating: 175 A
  
• Number of Poles: 3
  
• Voltage Rating: 600 VAC / 250 VDC
  
• Frequency Rating: 50–60 Hz
  
• Trip Type: T186
  
• Trip Function: Thermal-Magnetic
  
• Interrupt Rating at 240 VAC: 100 kAIC
  
• Interrupt Rating at 480 VAC: 65 kAIC
  
• Terminals: Line and Load
  
• Height: 4.13 in
  
• Width: 4.13 in
  
• Depth: 3.38 in
  
• Weight: 5 lb
  

Material Compliance and Certifications

The Eaton HFD3175L is UL Listed, giving contractors and maintenance professionals a clear certification reference when evaluating it for a particular installation.

Where It Works Best

The Eaton HFD3175L makes the most sense in commercial and industrial electrical equipment designed to accept a Series C HFD F-frame, 175 Amp, three-pole molded case circuit breaker. It's especially relevant when maintaining existing or legacy equipment where preserving the correct breaker configuration matters.