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Circuit Breaker

NEF433040 | Circuit Breaker | 3-Pole | 480V

★★★★★
Part Number NEF433040
Poles 3
Voltage 480
Product Type Circuit Breaker
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Manufacturer :
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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

NEF433040 | Circuit Breaker | 3-Pole | 480V

Regular price $310.00
Sale price $310.00 Regular price
Unit price
Product description
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NEF433040 is a 3-pole circuit breaker rated for 480V, purpose-built for industrial environments where reliability and straightforward replacement matter. Designed for maintenance, retrofit, and replacement projects, this breaker helps keep your three‑phase power distribution safe and serviceable when upgrades or repairs are needed.

Key specifications

  • Poles: 3-Pole
  • Voltage: 480V

Important: Confirm fit and ratings before ordering. The part number NEF433040 is your best reference for compatibility.

Why this 3-pole, 480V breaker matters

  • Designed for three-phase systems, providing synchronized disconnection across all conductors to protect equipment and maintain safe shutdown during faults.
  • Ideal for updating or replacing aging hardware in 480V electrical panels, reducing downtime and simplifying spare-part planning.
  • Compact, robust form factor suited for industrial control panels, switchgear, and distribution panels where a 3-pole 480V solution is required.

Use cases and ideal applications

  • Electrical maintenance on existing 480V three-phase installations, ensuring quick and reliable restoration.
  • Retrofit projects to upgrade legacy panels to a modern, compliant 480V protection device.
  • Replacement scenarios where the NEF433040 matches the panel’s OEM specification and system ratings.

Fit, compatibility, and installation tips

Before ordering, verify your panel labeling and system ratings to ensure NEF433040 is the correct match. Use the part number as the primary compatibility reference, and cross-check with the panel’s documentation or electrical schematics. For safe, compliant installation, rely on a licensed electrician who can confirm mounting, wiring, and protective coordination with surrounding devices.

What makes this product stand out

  • Clear, unambiguous compatibility via the exact NEF433040 part number, reducing guesswork in maintenance and retrofit projects.
  • Specifically crafted for 3-pole applications on 480V systems, aligning with common industrial distribution standards.
  • Practical solution for ongoing maintenance, rapid replacements, and panel modernization without compromising safety or performance.

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

Consistent quality. We’ve added similar items to our regular reorder list.

MRO · Reorder

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Support is responsive when we have questions about fit or application.

Purchasing · Quick answers

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A reliable choice when we need industrial parts on short notice.

Service · Urgent replacement

Fast industrial sourcing support

Need help?

  • Request a quote
  • Need a BOM priced for your project
  • Not sure which part is correct
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  • Send your part list and get a fast reply

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

Email for a quote Typical reply: same business day