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circuit-breaker

Square D HDA36150U33X - 150 A, 3-Pole Plug-In Circuit Breaker | AmpState

Part Number HDA36150U33X
Amperes 150
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 HDA36150U33X - 150 A, 3-Pole Plug-In Circuit Breaker | AmpState

Square D HDA36150U33X - 150 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 HDA36150U33X—a 150 A, 3-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for durability and quick, serviceable protection, it’s a practical choice for residential, commercial, and light industrial electrical setups.

  • Fast plug-in connection for quick installation and effortless replacement, minimizing downtime during upgrades or servicing.
  • Thermal-magnetic trip unit provides stable, repeatable protection by combining a thermal overload element with a magnetic short-circuit trip, helping to prevent nuisance trips while responding decisively to faults.
  • OEM-compatible design works seamlessly with matching OEM load centers and panelboards, ensuring reliable interoperation and straightforward retrofits.
  • 3-pole configuration supports three-phase circuits, making it suitable for a range of commercial and light industrial applications in addition to traditional residential panels.

The HDA36150U33X is purpose-built for protecting upstream circuits from damage due to overcurrent and short circuits. With its plug-in mounting, you can install or replace this breaker quickly in compatible panelboards, reducing project timelines and maintenance windows.

Key specifications

  • Manufacturer: Square D
  • Part number: HDA36150U33X
  • Type: Thermal-magnetic molded case circuit breaker
  • Amperage rating: 150 A
  • Number of poles: 3
  • Mounting style: Plug-in
  • Application: Branch circuit overcurrent and short-circuit protection

Ideal for electricians and facility managers who need reliable protection with straightforward installation, the Square D HDA36150U33X helps ensure electrical safety and system continuity across a range of panelboard configurations. Whether upgrading an aging panel, implementing a new three-phase feed, or performing routine maintenance, this 3-pole plug-in breaker delivers precise protection for your critical circuits.

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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.

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