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circuit-breaker

ABB XT5SQ340AEFF000XXX Circuit Breaker, 400A, 3-Pole

★★★★★
Part Number XT5SQ340AEFF000XXX
Amperes 400
Poles 3
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 $10,487.00
Sale price $10,487.00 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 XT5SQ340AEFF000XXX Circuit Breaker 400A 3-Pole - Circuit Breakers

ABB XT5SQ340AEFF000XXX Circuit Breaker, 400A, 3-Pole

Regular price $10,487.00
Sale price $10,487.00 Regular price
Unit price
Product description
Shipping

Meet the ABB XT5SQ340AEFF000XXX Circuit Breaker—a rugged, industrial-grade protection device engineered for demanding electrical service, routine maintenance, and timely replacements. Use the exact part number XT5SQ340AEFF000XXX to verify compatibility with your panel, MCC, or switchgear setup, ensuring a seamless retrofit or upgrade.

  • 400 A capacity for heavy-duty 3‑phase systems: Safeguards large motors, conveyors, and other demanding loads from overloads and short circuits.
  • 3-pole design for balanced protection: Provides synchronized disconnection across all three phases, reducing the risk of phase imbalance and equipment damage.
  • Part-number driven compatibility: Clear, precise identification through XT5SQ340AEFF000XXX helps you confirm fit for industrial panels and associated equipment.
  • Reliability in tough environments: Built for continuous service in manufacturing floors, warehouses, and critical process lines where downtime is costly.
  • Support for compatibility checks: If you need help matching a part number or confirming suitability for your application, message us and we’ll assist you.

Ideal use cases

  • New installations in industrial distribution panels or switchgear where three-phase protection is required.
  • Replacement of aging or failing breakers in MCCs, control cabinets, or large electrical enclosures.
  • Upgrading protection for high‑demand equipment such as large motors, pumps, or drive systems.

What to expect from this ABB breaker

  • Precise amperage rating aligned with 400 A circuit protection standards for robust, predictable performance.
  • Cleared, purpose-built compatibility guidance to minimize downtime during installation or retrofit.

If you’re aligning parts for a retrofit or a new build, this XT5SQ340AEFF000XXX circuit breaker from ABB offers a dependable, three-pole solution designed to fit your industrial needs. Verify fit by part number and application requirements, and reach out if you’d like help confirming compatibility before you purchase.

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

Solid quality component. Exactly as described on the product page.

Maintenance team · Ontario

Verified

Packaging was secure and the item arrived clean and ready for installation.

Electrical contractor · GTA

Verified

We’ve used this type on multiple jobs and it’s been reliable so far.

Panel shop · Canada/US

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