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circuit-breaker

Square D HRA36100U43X - 100 A, 3-Pole Plug-In Circuit Breaker | AmpState

Part Number HRA36100U43X
Amperes 100
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 $710.00
Sale price $710.00 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 HRA36100U43X - 100 A, 3-Pole Plug-In Circuit Breaker | AmpState

Square D HRA36100U43X - 100 A, 3-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Product description
Shipping

Meet the Square D HRA36100U43X, a 100A, 3-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and load centers. Its fast plug-in design means you can install or replace it quickly, minimizing downtime and keeping electrical systems running smoothly.

Why this breaker stands out

  • Instant plug-in connection: Quick installation and easy replacement reduce service time during panel work.
  • Thermal-magnetic trip unit: Provides stable, repeatable protection against overloads and short circuits across typical operating conditions.
  • OEM-compatible: Engineered to fit with matching Square D load centers and panelboards for a coordinated protection solution.
  • Three-pole design: Suited for 3-phase systems in commercial and light industrial environments, while still suitable for complex residential applications requiring three-phase protection.
  • Plug-in mounting: Simplifies installation and future replacements without changing surrounding hardware.

Where and how you’ll use it

  • Provides reliable branch circuit overcurrent and short-circuit protection in panelboards and load centers.
  • Ideal for residential upgrades, commercial installations, and light industrial projects where rapid service and dependable protection matter.
  • Works with standard Square D equipment to maintain a cohesive, code-compliant protection strategy.

Specifications at a glance

  • Manufacturer: Square D
  • Part number: HRA36100U43X
  • Type: Thermal-magnetic molded case circuit breaker
  • Amperage rating: 100 A
  • Number of poles: 3
  • Mounting style: Plug-in
  • Application: Branch circuit overcurrent and short-circuit protection

Choose the HRA36100U43X for a reliable, plug-in solution that delivers controlled protection for your electrical panels. Its combination of quick installation, stable trip performance, and OEM compatibility makes it a practical, long-term choice for a wide range of panelboard and load-center applications.

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

Matched our existing hardware and fit as expected. Clean install.

Maintenance · Retrofit work

Verified

Quick confirmation on details and a smooth ordering process.

Purchasing · Fast turnaround

Verified

Came well packed. Labeling made receiving and staging easy.

Warehouse · Receiving

Fast industrial sourcing support

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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