{"product_id":"square-d-hda36100uh","title":"Square D HDA36100UH 100A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D HDA36100UH — a purpose-built 3-pole circuit breaker designed to safeguard your three-phase power distribution. With a 100 A rating and a 600 V maximum, this unit is tailored for demanding commercial and light-industrial environments where reliable protection is essential.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 100 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePole configuration:\u003c\/strong\u003e 3-pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HDA36100UH\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 3-pole breaker stands out\u003c\/h3\u003e\n\u003cp\u003eIn three-phase systems, a 3-pole design ensures all live conductors are disconnected simultaneously when an overload or fault occurs. This synchronized trip minimizes backfeed risk, protects downstream equipment, and helps you maintain safer, more predictable power distribution. The HDA36100UH is built to endure the rigors of busy electrical rooms and manufacturing floors while delivering dependable interruption when you need it most.\u003c\/p\u003e \u003ch3\u003eIdeal for who and where\u003c\/h3\u003e\n\u003cp\u003eThis breaker is an excellent fit for electricians, panel builders, and facility technicians who manage 3-phase feeders in:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCommercial buildings with three-phase distributions\u003c\/li\u003e \u003cli\u003eIndustrial equipment and motor circuits\u003c\/li\u003e \u003cli\u003eHVAC and large refrigeration systems\u003c\/li\u003e \u003cli\u003eData centers and processing facilities requiring reliable phase protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical value and use cases\u003c\/h3\u003e\n\u003cp\u003eUse the Square D HDA36100UH to:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eProtect feeders and motors from overloads and short circuits in 3-phase panels\u003c\/li\u003e \u003cli\u003eUpgrade or replace aging breakers to restore consistent protection in existing Square D installations\u003c\/li\u003e \u003cli\u003eEnsure coordinated disconnection across all three lines, reducing the risk of equipment damage during faults\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and care considerations\u003c\/h3\u003e\n\u003cp\u003eFor best results, confirm panel compatibility with HDA-series devices and follow standard electrical codes for installation. When replacing, ensure terminals are clean and torqued to the manufacturer’s specifications, and test the circuit after installation to verify proper operation. Regular inspections should focus on any signs of wear, corrosion, or frequent nuisance tripping, which can indicate underlying electrical issues needing attention.\u003c\/p\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eProduct:\u003c\/strong\u003e Square D Circuit Breaker, HDA36100UH\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 100 A\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e Industrial\/Commercial 3-phase protection\u003c\/p\u003e \u003cp\u003eWhen you need reliable, three-phase protection that clears faults quickly and protects valuable equipment, the Square D HDA36100UH 100A 3-Pole 600 V Circuit Breaker delivers dependable performance, compatibility with Square D installations, and the confidence of proven electrical protection for your power distribution system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423577002146,"sku":"HDA36100UH","price":2199.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/square-d-hda36100uh","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}