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circuit-breaker

Square D HLA36045 - 45 A, 3-Pole Plug-In Circuit Breaker | AmpState

★★★★★
Part Number HLA36045
Amperes 45
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 HLA36045 - 45 A 3-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D HLA36045 - 45 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 HLA36045—a 45A, 3-pole plug-in molded case circuit breaker designed to protect panelboards and loadcenters from overcurrent and short circuits. Built for dependable performance in real-world electrical environments, this unit combines fast, hassle-free installation with precise protection characteristics that electricians trust.

  • Fast plug-in connection—quick installation or replacement minimizes panel downtime and keeps projects moving smoothly.
  • Thermal-magnetic trip unit—a smart combination of thermal and magnetic sensing delivers stable, repeatable protection against overcurrent and instantaneous short-circuit events.
  • 3-pole, 45A configuration—ideal for protecting 3-phase branch circuits and multi-wire arrangements in compatible panelboards and loadcenters.
  • OEM-compatible design—engineered to fit matching Square D load centers and panelboards, preserving electrical performance and compatibility with existing systems.
  • Versatile applications—suitable for residential, commercial, and light industrial installations where reliable protection and quick servicing matter most.

Technical specifications at a glance
Manufacturer: Square D
Part Number: HLA36045
Type: Thermal-magnetic molded case circuit breaker
Amperage rating: 45A
Number of poles: 3
Mounting style: Plug-in
Application: Branch circuit overcurrent and short-circuit protection

Use scenarios that benefit from the Square D HLA36045 include upgrading an aging panel with fast, minimal-downtime replacements, adding 3-phase protection for equipment in commercial or light industrial settings, or extending a panel’s capacity in compatible load centers. When you choose this model, you’re selecting a trusted Square D solution designed to work in harmony with your existing OEM equipment, delivering dependable safety and performance under varying load conditions. Available through AmpState, it’s a practical, ready-to-install choice for professional electricians managing modern electrical systems.

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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

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

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