{"product_id":"square-d-685728","title":"Square D 685728 100A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D 685728 100A 3-Pole 600 V Circuit Breaker—a dependable, ready-to-install protection device for three-phase electrical systems. With a 100-amp rating, three poles, and a 600-volt operating capacity, this breaker is purpose-built to safeguard medium-to large-scale motors, pumps, conveyors, and other heavy-duty loads in industrial panels and commercial equipment racks.\u003c\/p\u003e \u003cp\u003eKey reasons this unit stands out:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design for synchronized protection\u003c\/strong\u003e—all three hot conductors trip together, preventing phase imbalances that can harm motors and cause equipment damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number 685728 compatibility\u003c\/strong\u003e—an exact match for Square D panels and retrofit applications, helping you minimize downtime during replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V operation\u003c\/strong\u003e—built to handle higher-voltage industrial circuits, delivering a robust disconnect in fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e100 A current rating\u003c\/strong\u003e—balances reliable overcurrent protection with the startup and running demands of mid-sized equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable, field-ready construction\u003c\/strong\u003e—designed for steady performance in electrical rooms and switchgear environments commonly found in manufacturing and facilities operations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases and scenarios:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eProtection for three-phase motors and driven equipment in manufacturing lines, water treatment, and process facilities.\u003c\/li\u003e \u003cli\u003eReplacement part for service upgrades, panel refurbishments, or retrofits in existing Square D installations.\u003c\/li\u003e \u003cli\u003eDisconnection protection for large HVAC compressors, pumps, and conveyors in commercial or light industrial settings.\u003c\/li\u003e \u003cli\u003eIntegrator-friendly option when upgrading panel boards to meet current protection standards and voltage requirements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eCompatibility and installation notes:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eEnsure your panel or enclosure accommodates a 3-pole, 100 A, 600 V circuit breaker and that the form factor matches Square D specifications.\u003c\/li\u003e \u003cli\u003eVerify the system is within a three-phase configuration to leverage the full benefits of a 3-pole design.\u003c\/li\u003e \u003cli\u003eInstall by qualified personnel following all local electrical codes and safety practices. This part is intended to be used as a replacement or upgrade within appropriate Square D ecosystems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn short, the Square D 685728 100A 3-Pole 600 V Circuit Breaker delivers reliable three-phase protection with straightforward compatibility for Square D panels. It’s an effective, practical choice for safeguarding vital equipment while keeping maintenance and downtime to a minimum.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423258431650,"sku":"685728","price":108.0,"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-685728","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}