QJ23B125 - 125Amp Circuit Breaker

QJ23B125 - 125Amp Circuit Breaker

The QJ23B125 is a 3-pole, 125-amp molded case circuit breaker designed for use in your compatible electrical distribution systems requiring a 10kA interrupting rating at 240VAC. Built for dependable overcurrent and short-circuit protection, this breaker is well suited as a form, fit, and functional replacement in existing installations where a QJ series breaker is specified. It features a 40°C rating, is HACR rated, and comes with load-side lugs included for added installation convenience. Designed to deliver consistent operation in commercial and industrial electrical systems, the QJ23B125 is built to last while helping you to maintain the integrity and safety of properly matched electrical equipment. Its compact molded case construction also makes it a practical choice for panelboards and distribution equipment that require the specific dimensions and electrical ratings of this breaker.

Key Features and Benefits

• 125 Amp Current Rating: 125 Amp current rating for branch circuit and feeder protection.
• 3-Pole Configuration: 3-pole configuration for three-phase electrical systems.
• 10kA Interrupting Capacity: 10kA interrupting capacity at 240VAC.
• QJ Type: QJ type molded case circuit breaker.
• 40°C Rated: 40°C rated for specified operating environments.
• HACR Rated: HACR rated for use in heating, air conditioning, and refrigeration applications where permitted.
• Load-Side Lugs Included: Includes load-side lugs to simplify installation.
• Form, Fit, and Functional Replacement: Designed as a form, fit, and functional replacement in compatible equipment.
• Molded Case Construction: Molded case construction built for long-term service.
  

Technical Specifications

• Part Number: QJ23B125
  
• Type: QJ
  
• Product Type: Molded Case Circuit Breaker
  
• Amperage: 125 Amps
  
• Poles: 3
  
• Voltage Rating: 240VAC
  
• Interrupting Rating (A.I.C.): 10kA @ 240VAC
  
• Temperature Rating: 40°C
  
• HACR Rated: Yes
  
• Included Accessories: Load-Side Lugs
  
• Dimensions:
  • Height: 7.0 in.
  • Width: 4.5 in.
  • Depth: 2.53 in.

Material Compliance and Certifications

• HACR Rated: HACR Rated.
• Molded Case Construction: Molded case circuit breaker construction.
• Compatible Electrical Distribution Systems: Manufactured for use in compatible electrical distribution systems meeting the product's published electrical ratings.
• Installation Requirements: Use should always comply with applicable local electrical codes and the equipment manufacturer's installation requirements.
  

Where It Works Best

• The QJ23B125 is ideal for commercial, industrial, and institutional electrical distribution systems that require a 125A, 3-pole QJ molded case circuit breaker with a 10kA interrupting rating at 240VAC. It is commonly used as a replacement breaker in compatible panelboards and distribution equipment where maintaining the original form, fit, and electrical specifications is essential. Its HACR rating also makes it suitable for approved heating, ventilation, air conditioning, and refrigeration applications.