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circuit-breaker

Square D 3109140044 Circuit Breaker, 400A, 3-Pole

Part Number 3109140044
Amperes 400
Poles 3
Product Type circuit-breaker
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Manufacturer :Square D
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $460.00
Sale price $460.00 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
Square D 3109140044 Circuit Breaker, 400A, 3-Pole

Square D 3109140044 Circuit Breaker, 400A, 3-Pole

Regular price $460.00
Sale price $460.00 Regular price
Unit price
Product description
Shipping

Introducing the Square D 3109140044 Circuit Breaker — a purpose-built, industrial-grade overcurrent protection device designed for demanding electrical service, maintenance, and replacement projects. With a robust 400 A rating and a 3-pole configuration, it’s built to safeguard large 3-phase systems with confidence.

  • High-capacity protection: 400 A continuous current handling supports heavy motor loads and feeders in industrial environments, helping prevent costly downtime.
  • Three-pole design for 3-phase systems: Provides synchronized interrupting across all three hot legs, ensuring balanced and comprehensive protection.
  • Brand reliability: Square D is a trusted name in industrial electrical protection, ensuring compatibility with Square D panels and accessories.
  • Easy compatibility verification: Use part number 3109140044 to confirm fit with your application. Verify requirements in your panel schedule or documentation.
  • Ideal use cases: Perfect for new installations, service upgrades, panel replacements, and maintenance projects in industrial facilities, manufacturing lines, or large electrical rooms.

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

Feels well-built and suitable for everyday plant and maintenance use.

Facilities · Manufacturing

Verified

Lead time was reasonable and the part matched expectations when it arrived.

Procurement · Ontario

Verified

Good value for industrial use. Customers mention easy installation.

Service tech · Field work

Fast industrial sourcing support

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

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