FJ3B100 - 100Amp Circuit Breaker

FJ3B100 - 100Amp Circuit Breaker

The FJ3B100 is a 100 Amp, 3-pole molded case circuit breaker used in electrical equipment that requires an FJ3 frame breaker. It is commonly chosen for replacement and maintenance work when an existing system needs a breaker that matches the original frame style, amp rating, and electrical specifications. When you're working with installed electrical equipment, finding the right replacement is usually about matching the details. The FJ3B100 features a 100 Amp rating, three-pole configuration, and 225 Ampere FJ frame, making it a practical choice for compatible applications where keeping the original breaker setup is important.

Key Features and Benefits

• 100 Amp three-pole molded case circuit breaker
• FJ3 frame design for compatible electrical equipment
• 225 Ampere FJ frame configuration
• Rated for 600VAC, 480VAC, and 240VAC systems
• Three-pole design for three-phase circuit applications
• Helps maintain existing breaker arrangement and equipment configuration
• Molded case construction built for continued service
• Designed for replacement and maintenance projects
• Suitable for commercial and industrial electrical distribution systems
  

Technical Specifications

• Catalog Number: FJ3B100
  
• Product Type: Molded Case Circuit Breaker
  
• Frame Type: FJ3
  
• Frame Size: 225 Ampere FJ Frame
  
• Amperage Rating: 100 Amps
  
• Poles: 3
  
• Voltage Ratings:
  • 600VAC
  • 480VAC
  • 240VAC
• A.I.C. Rating:
  • 14kA at 600VAC
  • 18kA at 480VAC
  • 22kA at 240VAC
• Temperature Rating: 40°C
  
• Breaker Type: Type ET Molded Case Circuit Breaker
  
• 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 FJ3B100 is a molded case circuit breaker intended for use in compatible electrical distribution equipment. It is commonly used in replacement and maintenance applications where matching the existing breaker specifications is necessary.

Where It Works Best

• Existing electrical equipment using compatible FJ3 frame breakers
• Commercial and industrial power distribution systems
• Three-phase electrical applications requiring a 100 Amp breaker
• Electrical panels requiring a three-pole molded case circuit breaker
• Replacement of compatible FJ frame circuit breakers
• Maintenance projects where preserving the original equipment configuration matters