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circuit-breaker

ABB XT5NU340AFFF000XXX Circuit Breaker, 400A, 3-Pole, 600V

Part Number XT5NU340AFFF000XXX
Amperes 400
Poles 3
Voltage 600
Product Type circuit-breaker
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Manufacturer :ABB
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $9,490.00
Sale price $9,490.00 Regular price
Unit price
Save

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
ABB XT5NU340AFFF000XXX Circuit Breaker, 400A, 3-Pole, 600V

ABB XT5NU340AFFF000XXX Circuit Breaker, 400A, 3-Pole, 600V

Regular price $9,490.00
Sale price $9,490.00 Regular price
Unit price
Product description
Shipping

The ABB XT5NU340AFFF000XXX Circuit Breaker is built to protect demanding industrial power systems with precision and reliability. With a 400 A rating, a 3-pole configuration, and a 600 V operating capability, this unit is purpose‑built for three‑phase distribution in industrial facilities, supporting service, maintenance, and replacement projects with confidence.

  • Exact part-number fit: Verify compatibility by part number XT5NU340AFFF000XXX and align it with your application requirements.
  • Three-pole protection: Provides balanced, dependable protection across all three phases for stable operation in 3-phase circuits.
  • 400 A current rating: Handles high-load feeders and equipment without nuisance trips in demanding environments.
  • 600 V maximum voltage: Suitable for standard industrial power distribution, ensuring safe and compliant performance.
  • Ideal for installations and replacements: Perfect for new installations, routine maintenance intervals, and equipment replacement projects in industrial settings.

To ensure you select the right device, use the part number and application requirements as your guide. If you're unsure about fit or compatibility, our team can help verify before you purchase.

Why choose ABB XT5NU340AFFF000XXX? It delivers consistent protection for critical loads in challenging environments, with a clear, part-number‑driven path to the right device—reducing downtime and uncertainty in industrial electrical work.

Need help matching a part number or confirming compatibility? Message us and we'll help.

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

Verified

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

Purchasing · Quick answers

Verified

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

Service · Urgent replacement

Fast industrial sourcing support

Need help?

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

Email for a quote Typical reply: same business day