{"product_id":"square-d-jdl36250u43x-circuit-breaker","title":"Square D | JDL36250U43X | Circuit Breaker | 250A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D JDL36250U43X circuit breaker — a robust 250A, 3-pole, 600V protective device designed for demanding electrical environments. Built to meet maintenance, retrofit, and replacement needs where exact specifications matter, this unit serves as a precise compatibility reference for Square D panel systems.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eCore specs at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 250 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this specific part stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eExact part reference: The JDL36250U43X number is your most reliable guide for compatibility, mounting, and electrical ratings.\u003c\/li\u003e \u003cli\u003eReliability in retrofits: When upgrading or replacing, using the exact 3-pole, 250A, 600V configuration minimizes fit issues and circuit interruption risk.\u003c\/li\u003e \u003cli\u003eMaintenance-friendly: Designed for service continuity in existing Square D installations where panel labeling and listing align with this part number.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service of existing Square D panels that specify JDL36250U43X or cross-reference to the part number.\u003c\/li\u003e \u003cli\u003eRetrofit projects where a like-for-like 3-pole, 600V breaker is required to support three-phase equipment and distribution arrangements.\u003c\/li\u003e \u003cli\u003eReplacement scenarios to restore original protection specifications without altering panel topology.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eHow to verify fit and ensure safe operation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm compatibility by cross-referencing the exact part number JDL36250U43X with your panel's labeling and listing.\u003c\/li\u003e \u003cli\u003eEnsure your system voltage is within the 600V rating and that a 3-pole configuration matches your three-phase load.\u003c\/li\u003e \u003cli\u003eCheck mounting pattern and terminal connections to align with your panel model, avoiding mismatches that could affect protection or trip performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor professionals planning a maintenance window or an equipment upgrade, this Square D circuit breaker delivers a dependable, specification-aligned solution that keeps three-phase systems running smoothly. Ready to order as a precise match for installations requiring 250A, 3-Pole, 600V protection, with the part number JDL36250U43X serving as your best compatibility reference.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427227095202,"sku":"JDL36250U43X","price":14998.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/square-d-jdl36250u43x-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}