{"product_id":"square-d-jdm36250u31x-circuit-breaker","title":"Square D | JDM36250U31X | Circuit Breaker | 250A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D JDM36250U31X Circuit Breaker\u003c\/strong\u003e — a reliable 250A, 3-Pole, 600V protection solution designed for demanding three-phase systems. Built for maintenance, retrofit, and replacement projects, this breaker helps keep your electrical infrastructure safe and uptime-focused.\u003c\/p\u003e \u003ch2\u003eKey advantages that matter in real-world use\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e provides simultaneous protection across all three phases, promoting balanced operation and reducing the risk of phase-related faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e250A amperage rating\u003c\/strong\u003e matches larger feeders and mid-sized panel protections, giving you robust overcurrent protection without over-arming the system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V maximum system voltage\u003c\/strong\u003e makes it suitable for common 3-phase distribution in industrial and commercial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact part reference\u003c\/strong\u003e JDM36250U31X ensures compatibility with Square D panels that specify this model for maintenance or retrofit work.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance, retrofit, and replacement-ready\u003c\/strong\u003eDesigned to slot into existing installations that require this precise specification, helping minimize downtime and preserve wiring layouts.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cp\u003eThis 250A, 3-Pole, 600V circuit breaker is well-suited for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects where a like-for-like replacement is essential to maintain panel compatibility and electrical clearances.\u003c\/li\u003e \u003cli\u003eMaintenance cycles in facilities with three-phase distribution needing dependable overcurrent protection without changing the upstream wiring.\u003c\/li\u003e \u003cli\u003eNew installations in environments with 600V three-phase systems that demand solid, proven protection for large feeders.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFitment \u0026amp; compatibility guidance\u003c\/h2\u003e\n\u003cp\u003eBefore placing an order, confirm fit and ratings against the exact part number. The JDM36250U31X is the best reference for compatibility, ensuring your Square D panel and distribution setup receive the intended protection without surprises on installation day.\u003c\/p\u003e \u003ch2\u003ePractical installation tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eStore and handle the breaker carefully to avoid mechanical damage that could affect performance.\u003c\/li\u003e \u003cli\u003eVerify that the panel labeling supports a 250A, 3-Pole, 600V device and that mounting provisions align with your enclosure.\u003c\/li\u003e \u003cli\u003eCoordinate replacement or retrofit with scheduled maintenance windows to minimize system downtime and maintain consistent protection across all phases.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426794918050,"sku":"JDM36250U31X","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-jdm36250u31x-circuit-breaker-250a-3-pole-600v-413.webp?v=1789623277","url":"https:\/\/www.ampstate.com\/products\/square-d-jdm36250u31x-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}