NJL631175 - 175Amp Circuit Breaker

NJL631175 - 175Amp Circuit Breaker

The NJL631175 175 amp circuit breaker is designed for real-world electrical systems where reliability isn’t optional. This 3-pole breaker is commonly used in commercial and industrial panels that need consistent protection for three-phase power. It responds quickly to overloads and short circuits, helping protect downstream equipment and keep systems running safely. The molded case design holds up well in demanding environments, and the bolt-on style makes it a practical choice when time matters during maintenance or replacement work.

Key Features and Benefits

• Three-Pole, 175 Amp Rating: Designed to protect three-phase circuits carrying higher current loads.
• Thermal Magnetic Trip: Uses a proven combination of thermal and magnetic protection to handle both overload and short-circuit conditions.
• Molded Case Design: Built to handle heat and daily electrical stress without becoming brittle or unreliable.
• Load-Side Lug Terminals: Makes wiring straightforward and helps ensure solid, stable connections.
• Bolt-On Mounting: Installs securely and helps reduce downtime during service work.

Technical Specifications

• Number of Poles: 3
  
• Current Rating: 175 Amps
  
• Interrupting Rating:
  • 42,000 A @ 240 VAC
  • 30,000 A @ 480 VAC
  • 22,000 A @ 600 VAC
• Frame: NJL
  
• Max Operating Temperature: 40°C
  
• Overall Size:
  • Width: 8.25 inches
  • Length: 10.13 inches
  • Depth: 3.88 inches
• Shipping Weight: Approx. 23 lbs
  

Material Compliance and Certifications

• Material Compliance: This breaker is manufactured using materials that meet standard electrical safety and performance requirements. When installed correctly, it supports compliance with applicable electrical codes and industry regulations.

Where It Works Best

• The NJL631175 is a good fit for commercial and industrial electrical systems that require dependable three-pole, 175 amp protection. It’s often used in existing equipment during maintenance, system upgrades, or breaker replacements where compatibility and consistent performance are important.