HQR23B175 - 175 Amp Circuit Breaker

HQR23B175 - 175 Amp Circuit Breaker

Meet the HQR23B175, a 175-amp, 3-pole molded-case circuit breaker engineered for dependable overcurrent protection in commercial, light industrial, and high-demand residential settings. Built on the proven HQR2 frame, this device combines high performance, safety, and compact design into a practical solution for your power distribution needs.

Key Features and Benefits

• High Interrupting Capacity: Rated at 65 kA @ 240 VAC, the HQR23B175 safely handles substantial short-circuit currents.
• 175-Amp Rating: Provides the current capacity you need for heavy loads while maintaining reliable protection.
• 3-Pole Configuration: Ensures balanced protection across all three phases in multi-phase systems.
• Compact Footprint: At 7.0 inches in height and approximately 4.5 lb, it fits into most standard panels without difficulty.
• Load-Side Lugs Included: Eliminates the need for additional hardware, speeding installation and reducing part count.
• HACR Rated: Compatible with heating, air conditioning, and refrigeration equipment.
• 40 °C Temperature Rating: Delivers consistent performance in a variety of ambient conditions.

Technical Specifications

• Part Number: HQR23B175
  
• Frame Type: HQR2
  
• Poles: 3
  
• Amperage: 175 A
  
• Interrupting Capacity (AIC): 65 kA @ 240 VAC
  
• Height: 7.0 in
  
• Weight: ~4.5 lb
  
• Temperature Rating: 40 °C
  
• Construction: Molded case housing
  
• Included Hardware: Load-side lugs
  

Material Compliance and Certifications

• Industry Standards: This molded case breaker is manufactured in strict accordance with industry standards and electrical codes.
• HACR Compliance: It meets HACR (Heating, Air Conditioning, and Refrigeration) requirements, meaning it’s safe to use with HVAC systems.
• Safety and Performance: Its materials and build quality adhere to safety certifications typical in power distribution equipment. As with all electrical protection devices, it’s designed for long life, consistent performance, and compatibility with standard control gear.

Where It Works Best

• Commercial Facilities: Ideal for shops, offices, and utility rooms where stable protection and high fault-current tolerance are essential.
• Light Industrial Environments: Suitable for factories, workshops, and process areas, especially where three-phase power is in use.
• Residential or Mixed-Use Buildings: Useful in settings where high-capacity loads or multi-phase systems are present (e.g., apartment buildings, large HVAC systems).
• Upgrade or Retrofit Projects: Especially helpful when replacing older breakers or expanding panel capacity—its compact size makes installation easier in constrained spaces.
• Systems with HVAC or Refrigeration Loads: Thanks to its HACR rating, it integrates seamlessly with heating, cooling, and refrigeration circuits.