QJ23B090 - 90Amp Circuit Breaker

QJ23B090 - 90Amp Circuit Breaker

The QJ23B090 is a 3-pole, 90 amp molded case circuit breaker designed for use in your compatible electrical distribution systems requiring 10kA interrupting capacity at 240VAC. Built for dependable circuit protection, this breaker is intended as a form, fit, and functional replacement in existing installations where a QJ series breaker with matching electrical ratings is specified. Rated for operation in 40°C ambient environments and HACR applications, the QJ23B090 is built to last and helps you protect electrical equipment from damage caused by overloads and short circuits. For added installation convenience, this breaker includes load-side lugs, making it well-suited for maintenance, repairs, and replacement projects in commercial and industrial electrical systems.

Key Features and Benefits

• 90 amp current rating.
• 3-pole configuration for three-phase electrical systems.
• 10kA interrupting capacity at 240VAC.
• QJ type molded case circuit breaker.
• Rated for operation in 40°C ambient temperatures.
• HACR rated for heating, air conditioning, and refrigeration equipment applications.
• Includes load-side lugs for installation convenience.
• Designed as a form, fit, and functional replacement where a compatible QJ breaker is specified.
• Built to last for long-term service in properly maintained electrical systems.
  

Technical Specifications

• Part Number: QJ23B090
  
• Type: QJ
  
• Product Type: Molded Case Circuit Breaker
  
• Amperage: 90 Amps
  
• Poles: 3
  
• Interrupting Rating: 10kA @ 240VAC
  
• Operating Temperature Rating: 40°C Ambient
  
• HACR Rated: Yes
  
• Load-Side Lugs: Included
  
• Dimensions:
  • Height: 7.0 in.
  • Width: 4.5 in.
  • Depth: 2.53 in.

Material Compliance and Certifications

• HACR Rated.
• Designed for 40°C ambient operation.
• Molded case circuit breaker construction.
• Manufactured to meet applicable industry standards for its published electrical ratings and intended use.
  

Where It Works Best

• The QJ23B090 is intended for use in compatible panelboards, switchboards, and electrical distribution equipment requiring a 3-pole, 90 amp QJ molded case circuit breaker with a 10kA interrupting rating at 240VAC. It is commonly used in commercial and industrial facilities to provide branch circuit or feeder protection where matching electrical specifications and physical compatibility are required. Before installation, always verify that the part number, electrical ratings, and equipment requirements match the application.