HQR23B175 - 175 Amp Circuit Breaker

HQR23B175 - 175 Amp Circuit Breaker

When your dependable circuit protection matters, the HQR23B175 delivers the electrical ratings needed for a wide range of commercial and industrial applications. This 3-pole, 175-amp molded case circuit breaker is built on a Type HQR2 QR frame and is rated to interrupt up to 65kA at 240VAC, making it a solid choice for systems where higher available fault current is a consideration. With a 40°C temperature rating, HACR certification, and load-side lugs included, this breaker is designed to help you simplify installation while providing reliable protection against overloads and short circuits. Whether you're replacing an existing unit or maintaining an electrical distribution system, the HQR23B175 offers the electrical characteristics professionals look for without adding unnecessary complexity.

Key Features and Benefits

• 175 amp continuous current rating: 175 amp continuous current rating.
• Three-pole design: Three-pole design for three-phase electrical systems.
• High Interrupting Capacity: 65 kA interrupting capacity at 240 VAC for high-available fault-current applications.
• Type HQR2 QR Frame: Type HQR2 QR frame molded case circuit breaker.
• 40°C Temperature Rating: Rated for operation in 40°C ambient conditions.
• HACR Rated: HACR rated for qualifying heating, ventilation, air conditioning, and refrigeration equipment.
• Load-Side Lugs Included: Includes load-side lugs to help speed installation.
• Overload and Short-Circuit Protection: Helps protect electrical equipment from overloads and short-circuit conditions.
  

Technical Specifications

• Part Number: HQR23B175
  
• Type: HQR2
  
• Frame: QR Frame
  
• Product Type: Molded Case Circuit Breaker
  
• Poles: 3
  
• Current Rating: 175 Amps
  
• Voltage Rating: 240VAC
  
• Interrupting Rating: 65kA @ 240VAC
  
• Temperature Rating: 40°C
  
• Dimensions:
  • Height: 7.0 in.
  • Width: 4.5 in.
  • Depth: 2.53 in.
• Included: Load-side lugs
  

Material Compliance and Certifications

• HACR Rated: HACR Rated.
• Construction: Molded case circuit breaker construction.
• Installation: Intended for installation in accordance with applicable electrical codes and the equipment manufacturer's requirements.
  

Where It Works Best

• The HQR23B175 is commonly used in commercial buildings, manufacturing facilities, industrial equipment, mechanical systems, HVAC installations, and power distribution panels that require a 3-pole, 175-amp breaker with a 65 kA interrupting rating at 240 VAC. It's a practical option for replacement projects, equipment maintenance, or new installations where matching the original electrical specifications is important.