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
Circuit Breaker

Square D | QDA320906 | Circuit Breaker | 90A | 3-Pole | Plug-In

★★★★★
Amperes 90
Poles 3
Product Type Circuit Breaker
Icon
Manufacturer :Square D
Icon
Replacement available
Icon
Picture available on request
Icon
CSA / UL Approved
Regular price $1,702.00
Sale price $1,702.00 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
Allen-Bradley 1766-L32BXBA - Micrologix Controller 1766L32Bxba - Micrologix Controller 1766L32Bxba

Square D | QDA320906 | Circuit Breaker | 90A | 3-Pole | Plug-In

Regular price $1,702.00
Sale price $1,702.00 Regular price
Unit price
Product description
Shipping

Square D QDA320906 Circuit Breaker — 90A, 3-Pole, Plug-In

The Square D QDA320906 is a high‑reliability circuit breaker engineered for maintenance, retrofit, and replacement projects where exact compatibility matters. This 90‑amp, 3‑pole plug‑in model protects complex, multi‑wire or three‑phase circuits with robust performance and straightforward installation.

Key details at a glance

  • Amperage: 90 A
  • Pole configuration: 3‑Pole
  • Mounting style: Plug-In
  • Part reference: QDA320906

Why these specs matter: A 90A trip rating provides reliable overload protection for heavy‑duty circuits, while the 3‑pole design supports multi‑wire or three‑phase configurations. The plug‑in form factor enables quicker, cleaner swaps that minimize downtime during service or upgrades.

What this breaker is best for

  • Maintenance: Swap in minutes without altering bus connections, reducing panel downtime.
  • Retrofits: Upgrade to a trusted, compatible unit that matches existing panel architecture.
  • Replacement: Ideal for replacing a failed unit with an exact part reference to maintain protection standards.

Compatibility and installation guidance

Before ordering, verify fit and ratings — the part number QDA320906 is the most reliable reference for compatibility. This ensures seamless integration with Square D panels that accept QDA‑type plug‑in breakers, helping you avoid mismatches and install delays.

Practical considerations and expert tips

  • Check your panel labeling and documentation to confirm that QDA plug‑in breakers are supported by your specific model.
  • If you’re replacing a similar 90A, 3‑pole unit, this breaker offers a straightforward, minimal‑downtime swap.
  • Keep a small stock of compatible breakers on hand for proactive maintenance and faster service times.

Designed for demanding electrical environments, the Square D QDA320906 delivers precise protection, reliable operation, and a plug‑in installation path that helps professionals keep systems running smoothly with less disruption.

Contact sales@ampstate.com

Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.

We want you to be 100% satisfied with your purchase.

What Our Customers Say

4.9 (38 reviews)

General feedback we often hear from customers purchasing industrial electrical parts.

Verified

Professional-grade feel. No issues reported during commissioning.

Controls · Commissioning

Verified

Arrived in good condition and helped keep our project on schedule.

Project team · Contractor

Verified

Exactly what most contractors expect from an industrial supplier.

Electrical · Commercial

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