NB31200 - 1200 Amp Circuit Breaker

NB31200 - 1200 Amp Circuit Breaker

Looking for a reliable circuit breaker to keep your industrial or commercial electrical systems safe and sound? The NB31200 is built to handle demanding environments and give you peace of mind where it matters most.

Key Features and Benefits

• Dual Protection Trip Unit: Combines thermal and magnetic trip elements to guard against overloads and short circuits, helping maintain steady operation.
• Interchangeable Trip Unit: Need to change settings or swap components? No problem—it’s adaptable and extends the life of your setup.
• Load‑Side Terminals Included: Includes terminals right out of the box to make installation smoother and save time.
• Tough NB Frame Design: Built on a dependable NB frame that’s designed for endurance, making it ideal for high‑demand applications.

Technical Specifications

• Amperage: 1200 A
  
• Poles: 3
  
• Voltage Ratings: 240 VAC · 480 VAC · 600 VAC
  
• Interrupting Capacity (AIC):
  • 42 kA @ 240 VAC
  • 30 kA @ 480 VAC
  • 22 kA @ 600 VAC
• Dimensions:
  • Width: 8.25 inches
  • Length: 16.00 inches
  • Depth: 5.50 inches
• Weight: 57 lb
  
• Frame Type: NB
  
• Connection: Bolt‑On
  
• Type: Thermal‑Magnetic
  
• Temperature Rating: 40 °C
  
• Extra Features: Swappable trip unit · Load‑side terminals ready
  

Material Compliance and Certifications

• Manufactured from top-grade materials and fully tested to meet strict industry standards. You get a device that’s built to last and work under pressure, ensuring the safety standards you count on are upheld.

Suitability

• Ideal for maintenance teams working on large industrial or commercial electrical systems, the NB31200 shines in high‑amperage applications where safety and flexibility are key. Whether you’re upgrading existing infrastructure or keeping things running in a busy facility, this breaker is a dependable choice that delivers dependable protection.