Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
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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.
The Square D HDA36100UR 100A 3-Pole 600 V Circuit Breaker is engineered to deliver reliable overcurrent protection for demanding three-phase power systems. With a 100 amp rating and a 3-pole configuration, this unit is designed to safely shield large feeders and motors in commercial and light industrial environments. Identified by part number HDA36100UR, it’s built to fit Square D panels and compatible bus configurations, making it a precise, drop-in replacement for compatible installations.
Use cases and scenarios
Ideal for protecting three-phase motor feeds, large lighting and power circuits, or distribution panels in commercial facilities, warehouses, and light industrial settings. This breaker serves as a trusted replacement in systems that require a 100A, 3-pole device rated for up to 600V, ensuring consistent performance and protection where downtime or equipment damage would be costly.
Key considerations for installation and compatibility
Contact sales@ampstate.com
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General feedback we often hear from customers purchasing industrial electrical parts.
Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
Quick confirmation on details and a smooth ordering process.
Purchasing · Fast turnaround
Came well packed. Labeling made receiving and staging easy.
Warehouse · Receiving
Fast industrial sourcing support
Email us at sales@ampstate.com for pricing, availability, alternates, and project support.
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