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Square D QOB340VH - 40A, 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 $127.00
Sale price $127.00 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 QOB340VH - 40A Circuit Breaker - Circuit Breaker

Square D QOB340VH - 40A, Circuit Breaker

Product description
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Meet the Square D QOB340VH 40A circuit breaker—a dedicated protection device designed for dependable overcurrent protection in demanding electrical systems. With a 40-amp rating, this breaker precisely guards circuits, preventing overloads and safeguarding motors and equipment in everyday operation.

  • Precise protection — 40A current rating delivers targeted safeguarding for branch circuits and motor feeders, helping minimize downtime from electrical faults.
  • Versatile compatibility — engineered for panelboards, switchboards, control panels, and OEM equipment, making it a flexible choice for a wide range of setups.
  • Industrial and commercial ready — built to perform in harsh environments where reliable performance and safe operation are critical, including distribution panels and motor control centers.
  • Reliable protection for critical loads — ideal for applications where maintaining continuous operation of distribution networks and control systems matters most.

The QOB340VH model combines clear 40A protection with straightforward integration into existing Square D systems, helping you maintain safe, compliant electrical distribution in both new builds and upgrades. Whether you’re equipping panelboards, switchboards, or OEM equipment, this breaker delivers consistent performance where it counts.

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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

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

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