NB31000PR - 1000 Amp Circuit Breaker

NB31000PR - 1000 Amp Circuit Breaker

Meet the NB31000PR, the heavy‑duty circuit breaker built to deliver strong, worry‑free protection for demanding industrial electrical systems. Rated at a full 1000 amps and featuring a three‑pole configuration, this breaker is ready to step up for your toughest, most powerful connections—keeping large‑scale installations running safely and smoothly.

Key Features and Benefits

• High Load Capacity: Handling up to 1000 A, the NB31000PR takes on serious electrical demands without breaking a sweat—perfect for industrial setups where every amp counts.
• Three‑Pole Protection: With its triple‑pole design, you get balanced coverage across all three phases. That means fewer worries, better system safety, and smoother performance where it matters most.
• Tough Build Quality: Designed to stand up to harsh industrial conditions, this breaker offers dependable durability. It’s ruggedly made to last, so you can count on it day in and day out.

Technical Specifications

• Ship Weight: 69 lbs
• Poles: 3
• Amperage: 1000 A
• Interrupting Ratings:
  • 22 kA @ 600 VAC
  • 30 kA @ 480 VAC
  • 42 kA @ 240 VAC
• Frame Type: NB

Material Compliance and Certifications

• The NB31000PR complies with strict industrial standards, offering reliable and safe operation in high‑capacity environments. It’s engineered and tested to meet specifications that professional electricians trust—making it a safe and dependable solution for critical maintenance tasks.

Suitability

• This circuit breaker truly shines in industrial maintenance and retrofit projects where high‑capacity, three‑phase protection is essential. Electricians, contractors, and facility maintenance teams will appreciate how confidently it handles heavy loads and keeps systems performing securely. Whether you’re managing a factory floor, data center, or large electrical infrastructure, the NB31000PR is built to keep your setup protected and powered.