{"product_id":"square-d-hda36070uj","title":"Square D HDA36070UJ 70A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D HDA36070UJ 70 A 3-Pole 600 V Circuit Breaker—a rugged, reliable overcurrent protector designed for demanding three‑phase electrical systems. With a 70‑amp rating and a maximum voltage of 600 volts, this breaker prevents damage to motors, drives, and other heavy loads while keeping your panel organized and code‑compliant.\u003c\/p\u003e \u003ch3\u003eWhat it is and how it works\u003c\/h3\u003e\n\u003cp\u003eThis 3‑pole circuit breaker from Square D is built to interrupt current across all three hot conductors in three‑phase systems, ensuring balanced protection and trip coordination. The HDA36070UJ is purposefully designed for installations where up to 70 A of load current must be safeguarded in environments that operate at voltages up to 600 V.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 70 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\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 HDA36070UJ\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand and family:\u003c\/strong\u003e Square D, HDA series\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtection for three‑phase motors, conveyors, pumps, and machine drives up to 70 A\u003c\/li\u003e \u003cli\u003eThree‑phase feeders in commercial or light industrial panels that operate at voltages up to 600 V\u003c\/li\u003e \u003cli\u003eReplacement or upgrade for aging or incompatible breakers in Square D panels designed for HDA‑series devices\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this model stands out\u003c\/h3\u003e\n\u003cp\u003eUnlike generic single‑pole or smaller multi‑pole breakers, the HDA36070UJ provides dedicated three‑phase protection with a precise 70‑amp rating. This specificity helps you achieve better protection coordination with upstream devices and downstream equipment, reducing nuisance trips and improving reliability in demanding environments. The 600 V rating covers a broad range of industrial and commercial applications, giving you versatility without sacrificing safety margins.\u003c\/p\u003e \u003ch3\u003ePractical considerations and setup tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEnsure your panel accepts HDA‑series breakers to guarantee proper fit and electrical characteristics.\u003c\/li\u003e \u003cli\u003eUse this breaker to protect three‑phase equipment that requires balanced, cross‑phase protection across all three hot conductors.\u003c\/li\u003e \u003cli\u003eWhen planning upgrades or replacements, confirm that your downstream equipment and wiring sized for 70 A are compatible with a three‑pole arrangement.\u003c\/li\u003e \u003cli\u003eRefer to your panel’s documentation for installation torque and terminal guidelines to ensure secure, code‑compliant connections.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Square D HDA36070UJ, you’re choosing a purpose‑built solution for safeguarding three‑phase circuits in industrial and commercial settings. It delivers targeted protection, straightforward replacement in compatible panels, and the reliability you expect from a trusted Square D component. If your project involves three‑phase loads up to 70 A and up to 600 V, this breaker is a precise, dependable choice.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423579754658,"sku":"HDA36070UJ","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-hda36070uj","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}