{"product_id":"square-d-hda36100sj","title":"Square D HDA36100SJ 100A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D HDA36100SJ 100A 3-Pole 600 V Circuit Breaker — a rugged, three-pole device designed to protect your three-phase electrical distribution with precision. Part Number HDA36100SJ, this breaker is built to handle demanding commercial and light industrial applications while delivering reliable overcurrent protection up to 600 V.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection for complete 3-phase safety\u003c\/strong\u003e — ensures all three hot legs trip together, preventing phase imbalances and equipment damage in three-phase systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e100 A current rating\u003c\/strong\u003e — ideal for main or branch-circuit protection on sizeable 3-phase circuits, helping you safeguard motors, drives, and other load equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V maximum voltage rating\u003c\/strong\u003e — suitable for typical industrial and commercial distribution environments that require robust voltage handling.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise part identification\u003c\/strong\u003e — uses Part Number HDA36100SJ for exact replacements in Square D panels and existing installations, reducing compatibility guesswork.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand-aligned compatibility\u003c\/strong\u003e — designed to integrate smoothly with Square D enclosures and bus systems, supporting straightforward installation and maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this model matters: in 3-phase networks, a single fault can cascade across all phases. The HDA36100SJ provides reliable, coordinated interruption across all three poles, helping to minimize downtime and protect valuable equipment from overloads and short circuits.\u003c\/p\u003e \u003cp\u003eIdeal use cases include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMain or distribution protection in three-phase panelboards for commercial buildings and light manufacturing facilities\u003c\/li\u003e \u003cli\u003eMotor control centers and large equipment feeds in industrial settings\u003c\/li\u003e \u003cli\u003eHVAC and other three-phase circuits that require dependable protection and quick fault clearance\u003c\/li\u003e \u003cli\u003eReplacement or upgrade of existing Square D installations requiring the HDA36100SJ part\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical considerations and tips:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eEnsure your system is rated for 600 V and that a 3-pole, 100 A device matches your panel specification.\u003c\/li\u003e \u003cli\u003eVerify compatibility with your Square D enclosure and bus arrangement to avoid fitment issues.\u003c\/li\u003e \u003cli\u003eFollow standard electrical safety practices and the panel manufacturer’s installation guidelines during wiring and mounting.\u003c\/li\u003e \u003cli\u003eKeep a spare HDA36100SJ on hand to minimize downtime during planned maintenance or urgent replacements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor upgrades, maintenance, or new installations that require dependable 3-phase protection in a compact, industry-trusted package, the Square D HDA36100SJ 100 A 3-Pole 600 V Circuit Breaker delivers the performance and reliability your electrical system demands.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423577428130,"sku":"HDA36100SJ","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-hda36100sj","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}