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Circuit Breaker

Westinghouse | NB12K | Circuit Breaker | 1200A

★★★★★
Part Number NB12K
Amperes 1200
Product Type Circuit Breaker
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Manufacturer :Westinghouse
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $310.00
Sale price $310.00 Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.

Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.

Icon
Secure transaction
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FREE & fast shipping on orders over $49
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CSA approved with 1 year warranty
Icon
30 day returns
Allen-Bradley 140M-C2E-C16 - Standard Magnetic Trip Breaker Motor Protection - Standard Magnetic Trip Breaker Motor Protection

Westinghouse | NB12K | Circuit Breaker | 1200A

Regular price $310.00
Sale price $310.00 Regular price
Unit price
Product description
Shipping

Meet the Westinghouse NB12K 1200A circuit breaker—the trusted choice for high-current protection in maintenance, retrofit, and replacement projects. Designed to align with systems that require the NB12K reference, this breaker delivers precise compatibility when the part number is the driving factor for your install.

  • Amperage: 1200A
  • Part number: NB12K
  • Best reference for compatibility: NB12K
  • Ideal use cases: maintenance, retrofit, and replacement in appropriate panels
  • Important note: Confirm fit and ratings before ordering to ensure seamless integration

Why the Westinghouse NB12K matters

When your project demands a precise, high-capacity protective device, the NB12K model offers a straightforward path to reliable overcurrent protection. By using the NB12K part number as the compatibility touchstone, you minimize guesswork and reduce the risk of mismatched breakers that can prolong downtime or require costly rework.

Ideal use scenarios

This 1200A circuit breaker is well-suited for electrical environments where high-current protection is essential, such as industrial or commercial panels undergoing maintenance, upgrades, or part replacements. Its NB12K designation signals compatibility with systems designed for that specific form, fit, and rating, helping technicians select the correct device the first time.

Installation and compatibility tips

  • Always confirm fit and ratings before ordering—the part number NB12K is your best reference for compatibility.
  • Use in panels and configurations designed to accommodate NB12K breakers with a 1200A rating.
  • Double-check that the overall panel rating and bus connection style align with the NB12K specifications to ensure proper operation.

Practical benefits and outcomes

Choosing the Westinghouse NB12K 1200A circuit breaker helps you achieve targeted protection for high-load circuits, enabling quicker replacements and reducing the risk of inappropriate substitutions. It’s a dependable option for professionals who prioritize accuracy, compatibility, and efficient maintenance cycles in demanding electrical environments.

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What Our Customers Say

4.9 (38 reviews)

General feedback we often hear from customers purchasing industrial electrical parts.

Verified

Professional-grade feel. No issues reported during commissioning.

Controls · Commissioning

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Arrived in good condition and helped keep our project on schedule.

Project team · Contractor

Verified

Exactly what most contractors expect from an industrial supplier.

Electrical · Commercial

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