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Circuit Breaker

Westinghouse | NB3700S | Circuit Breaker | 700A | 3-Pole | 600V | Bolt-On

★★★★★
Amperes 700
Poles 3
Voltage 600
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 $510.00
Sale price $510.00 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
Icon
FREE & fast shipping on orders over $49
Icon
CSA approved with 1 year warranty
Icon
30 day returns
Allen-Bradley LOGIX5000 - In Box! .A Battery Assembly 1756-Ba1 - In Box! .A Battery Assembly 1756-Ba1

Westinghouse | NB3700S | Circuit Breaker | 700A | 3-Pole | 600V | Bolt-On

Regular price $510.00
Sale price $510.00 Regular price
Unit price
Product description
Shipping

Meet reliability for critical electrical protection with the Westinghouse NB3700S Circuit Breaker. Designed for maintenance, retrofit, and replacement projects where exact specs matter, this unit delivers robust protection with a 700A rating across a 3-pole configuration at 600V, mounted via a bolt-on method for secure, straightforward installation.

Key specifications

  • Amperage: 700A
  • Poles: 3-Pole
  • Voltage: 600V
  • Mounting: Bolt-On
  • Part number: NB3700S

Use cases and applications

Ideal for service replacements in existing panels, retrofits to upgrade protection, or maintenance scenarios where a matching spec is essential. The 3-pole design provides balanced three-phase protection, reducing the risk of voltage imbalances in commercial and industrial systems.

Why this Westinghouse breaker stands out

  • Trusted brand with established performance in electrical protection.
  • High-current capability (700A) paired with solid three-pole 600V operation for demanding applications.
  • Bolt-on mounting simplifies field replacement, minimizing downtime.
  • Clear compatibility reference: the NB3700S part number is the best reference for ensuring a precise fit.

Installation and compatibility tips

Before ordering, confirm fit and ratings match your panel. Use the NB3700S part number as the primary compatibility reference to avoid mismatches. Follow manufacturer guidelines for bolt-on installation and verify that your enclosure, bus configuration, and trip characteristics align with this unit’s specifications.

Contact sales@ampstate.com

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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

Verified

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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Email us at sales@ampstate.com for pricing, availability, alternates, and project support.

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