NJL631350 - 350Amp Circuit Breaker

NJL631350 - 350Amp Circuit Breaker

The NJL631350 350 Amp Circuit Breaker is engineered for dependable protection in high-demand electrical systems where failure is not an option. Designed to support maintenance, repair, and replacement needs, this 3-pole molded case circuit breaker delivers consistent overcurrent and short-circuit protection across all three phases. Its thermal magnetic trip technology responds accurately to both sustained overloads and sudden fault conditions, helping protect downstream equipment and maintain system stability. Built with quality materials and sized for industrial-grade applications, the NJL631350 is a practical, trusted solution for professionals who need performance they can count on in commercial and industrial power distribution environments.

Key Features and Benefits

• 3-Pole, 350 Amp Protection: Designed to protect three-phase electrical systems up to 350 amps, helping maintain balanced and reliable power delivery.
• Thermal Magnetic Trip Unit: Provides dependable response to overloads and short circuits for accurate circuit interruption when it matters most.
• Molded Case Design: A strong, well-built housing helps the breaker stand up to demanding electrical environments and daily use.
• Load-Side Lug Terminals: Allows for secure conductor connections and efficient servicing during installation or maintenance.
• Bolt-On Mounting Style: Simplifies installation while ensuring a firm, stable fit within compatible electrical assemblies.

Technical Specifications

• Poles: 3
  
• Amperage Rating: 350A
  
• Interrupting Capacity (A.I.C.):
  • 42k @ 240VAC
  • 30k @ 480VAC
  • 22k @ 600VAC
• Frame Type: NJL
  
• Operating Temperature: 40°C
  
• Dimensions: 8.25" W × 10.13" L × 3.88" D
  
• Approximate Shipping Weight: 23 lbs
  

Material Compliance and Certifications

• The NJL631350 circuit breaker is manufactured using high-quality components that meet recognized industry standards for electrical safety and performance. Its construction supports compliance with applicable electrical codes and regulations, helping ensure safe operation in approved installations.

Where It Works Best

• This circuit breaker is well suited for industrial and commercial electrical systems that require high-capacity, three-phase protection. It’s commonly used in facilities such as manufacturing plants, distribution centers, large commercial buildings, and other applications where reliable power control and equipment protection are essential.