QJ22B175H - 175Amp Circuit Breaker

QJ22B175H - 175Amp Circuit Breaker

The QJ22B175H is a 2-pole, 175-amp molded-case circuit breaker designed for use in your electrical distribution systems requiring dependable overcurrent protection at 120/240 VAC. Built with a 42kA A.I.C. interrupting rating, this breaker is intended to provide the proper form, fit, and function for compatible equipment and legacy electrical installations. Rated for 40°C operation and HACR applications, it is well-suited for commercial and industrial environments where maintaining existing systems is important. The breaker also includes load-side lugs, helping you to simplify installation when used in compatible panels and switchgear. Built to last, the QJ22B175H is an excellent choice for replacing an existing compatible breaker while preserving the original electrical system design and ratings.

Key Features and Benefits

• 2-pole molded case circuit breaker.
• 175-amp current rating.
• 42kA A.I.C. interrupting capacity at 120/240VAC.
• Type QJ2H configuration for compatible electrical equipment.
• Rated for operation in 40°C ambient temperatures.
• HACR rated for heating, air conditioning, and refrigeration applications.
• Includes load-side lugs for installation convenience.
• Designed to provide proper form, fit, and functional replacement in compatible legacy systems.
• Built to last for long-term service in demanding electrical environments.
  

Technical Specifications

• Part Number: QJ22B175H
  
• Type: QJ2H
  
• Product Type: Molded Case Circuit Breaker
  
• Poles: 2
  
• Amperage: 175A
  
• Voltage: 120/240VAC
  
• Interrupting Rating (A.I.C.): 42kA @ 120/240VAC
  
• Ambient Temperature Rating: 40°C
  
• HACR Rated: Yes
  
• Load-Side Lugs: Included
  
• Dimensions:
  • Height: 7.0 in.
  • Width: 3.0 in.
  • Depth: 2.53 in.

Material Compliance and Certifications

• HACR Rated.
• Rated for 40°C ambient operation.
• Manufactured as a molded case circuit breaker for use in compatible electrical distribution systems.
• Designed to meet the published electrical ratings and specifications of the QJ2H product type when installed in compatible equipment.
  

Where It Works Best

• The QJ22B175H is ideal for commercial, industrial, and institutional electrical systems that require a compatible 2-pole, 175A molded case circuit breaker with a 42kA interrupting rating at 120/240VAC. It is commonly used as a functional replacement in compatible panelboards, switchboards, and other power distribution equipment where maintaining the original breaker configuration, electrical ratings, and system compatibility is essential.