{"product_id":"square-d-mef236ls-circuit-breaker","title":"Square D | MEF236LS | Circuit Breaker | 250A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D MEF236LS circuit breaker is a solid, industrial-grade solution engineered to protect large, high-demand electrical systems. With a 250A rating, 3-pole configuration, and 600V operating capability, this breaker is designed for demanding environments where reliable, continuous protection is essential.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 250A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e MEF236LS\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this MEF236LS matters for your electrical system\u003c\/h3\u003e\n\u003cp\u003eWhen you're maintaining, retrofitting, or replacing protection in a Square D panel, exact part matching matters. The MEF236LS is specified to align with systems requiring a 250A, 3-pole, 600V protection device, ensuring you preserve upstream protection coordination and downstream device performance. Relying on the correct part number reduces the risk of fitment gaps, improper interrupting ratings, or compatibility issues that can lead to downtime.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance work on large industrial switchgear and service panels that run on 600V three-phase configurations.\u003c\/li\u003e \u003cli\u003eRetrofits where the existing protection device must mirror original specifications for seamless panel behavior.\u003c\/li\u003e \u003cli\u003eReplacement scenarios in commercial or light industrial environments where system uptime is critical and exact specs are non-negotiable.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey benefits and practical considerations\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact spec compatibility:\u003c\/strong\u003e The MEF236LS is the best reference for ensuring the new breaker matches the original installation, minimizing rework and compatibility concerns.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current protection:\u003c\/strong\u003e A 250A rating provides robust protection for circuits that demand substantial overcurrent safeguards without compromising selectivity in properly coordinated systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole architecture:\u003c\/strong\u003e Designed for three-phase 600V systems, helping ensure balanced protection across phases and smoother operational performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-friendly replacement:\u003c\/strong\u003e When you need a plug-in substitute that preserves panel wiring integrity and trip characteristics, this unit is a reliable choice.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat to check before ordering\u003c\/h3\u003e\n\u003cp\u003eTo ensure a seamless fit, verify the application and ratings match your panel’s requirements. Use the part number MEF236LS as the definitive reference for compatibility, and confirm the enclosure type, mounting, and interrupting capacity align with your installation. If in doubt, consult a qualified electrician to confirm that this breaker meets your system’s coordination and safety standards.\u003c\/p\u003e \u003cp\u003eWith the Square D MEF236LS, you get a purpose-built solution tailored for reliability in high-demand 600V, three-phase environments—delivering consistent protection, easier maintenance, and peace of mind for retrofit and replacement projects.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426345472162,"sku":"MEF236LS","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/square-d-mef236ls-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}