NFJ631125R - 125Amp Circuit Breaker

NFJ631125R - 125Amp Circuit Breaker

The NFJ631125R 125 Amp Circuit Breaker is designed for dependable protection in commercial and industrial electrical systems that need consistent performance. This 3-pole thermal magnetic molded case breaker helps protect equipment and wiring from overloads and short circuits, reducing the risk of unexpected downtime. A rotary handle makes operation straightforward, with a clear visual indication of breaker status. Its bolt-on design and compact size allow it to fit easily into existing panels, making it a practical choice for replacement or maintenance work in systems rated up to 480VAC.

Key Features and Benefits

• Rotary Handle Operation – Easy to use with a clear on/off position, helping improve safety during servicing and inspections.
• Thermal Magnetic Protection – Responds reliably to both overload and short-circuit conditions to help protect connected equipment.
• Compact Molded Case Design – Saves space inside electrical enclosures and integrates well with existing setups.
• Bolt-On Mounting Style – Allows for faster installation and easier replacement compared to more complex mounting methods.
• Load-Side Lug Terminals Included – Provides solid, dependable electrical connections right out of the box.

Technical Specifications

• Amperage: 125 Amps
  
• Poles: 3
  
• Voltage Rating: 480VAC / 240VAC
  
• Interrupt Rating:
  • 22kA @ 480VAC
  • 25kA @ 240VAC
• Frame Type: NFJ
  
• Breaker Style: Thermal Magnetic, Molded Case
  
• Handle Type: Rotary
  
• Installation: Bolt-On
  
• Operating Temperature: 40°C
  
• Dimensions: 4.13" W x 9.31" L x 3.75" D
  
• Terminals: Load-Side Lugs Included
  

Material Compliance and Certifications

• The NFJ631125R circuit breaker is built using materials that meet recognized industry standards for electrical safety and performance. It is certified for professional use in commercial and industrial environments, offering reliable operation under normal service conditions.

Where It Works Best

• This breaker is well suited for maintenance and replacement applications in existing electrical systems. It’s commonly used in commercial buildings, industrial facilities, and equipment panels that require a 125-amp, 3-pole circuit breaker. Electricians and maintenance professionals rely on it to help keep systems running safely and efficiently without unnecessary complications.