NFJ631150R - 150Amp Circuit Breaker

NFJ631150R - 150Amp Circuit Breaker

The NFJ631150R 150 amp circuit breaker is built for professionals who need dependable protection and straightforward operation in demanding electrical environments. Designed as a 3-pole molded case circuit breaker, it uses proven thermal magnetic technology to help guard systems against overloads and short circuits that can cause costly damage or downtime. The rotary-type handle gives operators clear, positive control, which is especially helpful during inspections and routine maintenance. With a bolt-on mounting style and load-side lug terminals, installation is clean and secure, helping electricians work efficiently while maintaining confidence in the connection. Whether you’re maintaining a commercial facility or supporting an industrial power system, this breaker delivers consistent performance you can rely on day after day.

Key Features and Benefits

• Rotary-Type Handle – Offers smooth, easy operation and clear on/off indication, making maintenance and servicing simpler.
• Thermal Magnetic Protection – Responds accurately to overloads and short circuits to help protect equipment and wiring.
• Bolt-On Design – Provides a solid, stable connection that helps reduce installation time and minimizes connection concerns.
• Load-Side Lug Terminals – Allows for secure wire termination, supporting safe and efficient electrical connections.
  

Technical Specifications

• Poles: 3
  
• Amperage Rating: 150 Amps
  
• Frame Type: NFJ
  
• AIC Rating:
  • 22kA @ 480VAC
  • 25kA @ 240VAC
• Operating Temperature: 40°C
  
• Dimensions:
  • Width: 4.13 inches
  • Length: 9.31 inches
  • Depth: 3.75 inches
• Weight: Approx. 12 lbs
  
• Type: Molded case circuit breaker, thermal magnetic, bolt-on, rotary handle, load-side lug terminals
  

Material Compliance and Certifications

• Industry Standards: The NFJ631150R is manufactured to meet established industry standards for safety, performance, and durability. Built with quality materials and tested to perform under rated conditions, it supports compliance with applicable electrical codes and regulations. This attention to material quality and construction helps ensure long service life and dependable operation in real-world applications.
  

Where It Works Best

• This 150A molded case circuit breaker is well suited for commercial and industrial electrical systems where reliable protection and ease of maintenance are important. It performs especially well in maintenance-focused applications, power distribution equipment, and facilities that demand consistent protection for critical circuits. Electricians, maintenance teams, and facility managers will appreciate its practical design and dependable performance in everyday use.