FJ2B125 - 125Amp Circuit Breaker

FJ2B125 - 125Amp Circuit Breaker

The FJ2B125 is a 125-amp, 2-pole molded-case circuit breaker designed for your electrical systems that use an FJ frame breaker design. It is commonly used as a replacement component in existing commercial and industrial equipment where maintaining the original breaker configuration, ratings, and panel layout is important.

Key Features and Benefits

• 125 Amp, 2-pole molded case circuit breaker
• FJ2 frame design for compatible electrical equipment
• 225 Ampere FJ frame size
• Rated for 600VAC, 480VAC, and 240VAC systems
• Helps maintain existing panel and equipment configuration
• Molded case construction for long-term service in electrical systems
• Commonly used for replacement and maintenance projects
• Suitable for commercial and industrial power distribution applications
• Provides matching form, fit, and function for compatible FJ frame installations
  

Technical Specifications

• Catalog Number: FJ2B125
  
• Product Type: Molded Case Circuit Breaker
  
• Frame Type: FJ2
  
• Frame Size: 225 Ampere FJ Frame
  
• Amperage Rating: 125 Amps
  
• Poles: 2
  
• Voltage Ratings:
  • 600VAC
  • 480VAC
  • 240VAC
• A.I.C. Rating:
  • 14kA at 600VAC
  • 18kA at 480VAC
  • 22kA at 240VAC
• Temperature Rating: 40°C
  
• Dimensions: 4.50"W x 10.00"L x 4.00"D
  
• Height: 10.5 inches
  
• Width: 4.5 inches
  
• Depth: 4.0 inches
  
• Approximate Shipping Weight: 14 lbs
  

Material Compliance and Certifications

The FJ2B125 is a molded case circuit breaker intended for use in compatible electrical distribution equipment. It is commonly used for replacement and maintenance purposes in existing systems where matching the original breaker specifications is necessary.

Where It Works Best

• Existing FJ frame electrical distribution equipment
• Commercial and industrial breaker replacement projects
• Electrical panels using compatible molded case breakers
• Two-pole feeder and branch circuit protection applications
• Maintenance work requiring a matching 125 Amp breaker
• Systems where preserving the original breaker layout is important
• Equipment requiring a 600VAC-rated molded case circuit breaker