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400A

NJJ232400NA | Circuit Breaker | 400A | 3-Pole | 240V

Amperes 400
Poles 3
Voltage 240
Product Type 400A
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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 $2,010.00
Sale price $2,010.00 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 140M-C2E-C16 - Standard Magnetic Trip Breaker Motor Protection - Standard Magnetic Trip Breaker Motor Protection

NJJ232400NA | Circuit Breaker | 400A | 3-Pole | 240V

Regular price $2,010.00
Sale price $2,010.00 Regular price
Unit price
Product description
Shipping

The NJJ232400NA stands out as a rugged industrial circuit breaker built for demanding electrical environments. With a precise 400A rating, a 3-pole design, and 240V operation, this unit delivers reliable overcurrent protection for three‑phase power distribution. It’s purpose‑built for maintenance, retrofit, and replacement projects where exact specifications matter, helping keep equipment safe and downtime minimal.

Why choose the NJJ232400NA

  • 400A protection for high‑demand circuits: Designed to safeguard heavy loads common in industrial panels and equipment.
  • Three‑pole, 240V configuration: Perfect for standard 3‑phase, 4‑wire systems used in manufacturing, processing, and power distribution.
  • Rugged, industry‑grade construction: Built to endure the vibration and environmental demands of active facilities.
  • Clear reference for compatibility: The part number NJJ232400NA is the best reference when matching components for your panel or retrofit project.
  • Maintenance, retrofit, and replacement ready: A practical choice whenever you need to upgrade or restore an existing installation to its designed protection level.

Practical use cases

  • Upgrading electrical panels in manufacturing floors where 3‑phase 240V distribution is standard.
  • Replacing aging breakers in service disconnects or control cabinets to restore stable protection levels.
  • Retrofit projects that require exact amperage, pole configuration, and voltage specifications to maintain system integrity.
  • Facilities management in data centers, food processing, or industrial environments where consistent, reliable protection is critical.

What you need to know before purchasing

  • Fit and ratings verification: Confirm fit and ratings before ordering to ensure seamless replacement in your existing panel.
  • Part number reference: Use NJJ232400NA as the primary compatibility reference to align with your equipment specifications.
  • Installation safety: Have a qualified electrician perform installation and adhere to local electrical codes and standards.

Technical specifications at a glance

  • Amperage: 400A
  • Poles: 3-Pole
  • Voltage: 240V

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

Matched our existing hardware and fit as expected. Clean install.

Maintenance · Retrofit work

Verified

Quick confirmation on details and a smooth ordering process.

Purchasing · Fast turnaround

Verified

Came well packed. Labeling made receiving and staging easy.

Warehouse · Receiving

Fast industrial sourcing support

Need help?

  • Request a quote
  • Need a BOM priced for your project
  • Not sure which part is correct
  • Need an equivalent or replacement
  • 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