{"product_id":"square-d-m800r-800a-3p-600v-circuit-breaker","title":"Square D M800R 800A 3P 600V Circuit Breaker, NEMA 3R | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D M800R 800A 3P 600V Circuit Breaker—built for daily electrical protection in demanding environments. With a NEMA 3R enclosure, this unit is ready for outdoor and weather-exposed installations, delivering reliable performance where it matters most in panelboards, load centers, and distribution gear. In retrofit projects and ongoing maintenance, keeping the same part number streamlines procurement and ensures a seamless swap when upgrades are needed.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e for complete three-phase protection in larger electrical systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e800 A amperage rating\u003c\/strong\u003e at up to \u003cstrong\u003e600 V\u003c\/strong\u003e to handle substantial load with dependable protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNEMA 3R enclosure\u003c\/strong\u003e designed for rain, sleet, and outdoor exposure, giving you flexibility for diverse installation sites.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofit-friendly part number\u003c\/strong\u003e keeps maintenance planning straightforward by avoiding part-number drift during replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile suitability\u003c\/strong\u003e ideal for panelboards, load centers, and electrical distribution setups in commercial or industrial settings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the M800R in your project? It combines rugged outdoor-ready protection with a familiar Square D lineage, helping you maintain consistent specifications across replacements and upgrades. This means fewer surprises during installs and service calls, quicker turnarounds, and less downtime for critical equipment.\u003c\/p\u003e \u003cp\u003eUse cases and scenarios:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects where existing M800R footprints and part numbers must be preserved for compatibility with existing wiring and mounting.\u003c\/li\u003e \u003cli\u003eMaintenance planning for facilities with outdoor electrical rooms or exposed installations that demand durable protection.\u003c\/li\u003e \u003cli\u003eDistribution upgrades in commercial buildings where reliable three-phase protection at 600 V is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eAvailability and compatibility support:\u003c\/p\u003e\n\u003cp\u003eAmpState stocks the Square D M800R, and if you’re unsure about fit, we can help verify compatibility and confirm the correct part number for your panelboard or load center. Reach out with your system details, and we’ll guide you to a precise match.\u003c\/p\u003e \u003cp\u003ePractical tips for installation and use:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify that your panelboard or distribution unit accepts the M800R’s three-pole, 800 A format and 600 V rating before purchase.\u003c\/li\u003e \u003cli\u003ePlan for weather exposure in outdoor installations—ensure seals and mounting provisions align with the NEMA 3R requirements.\u003c\/li\u003e \u003cli\u003eDocument the replacement part number in your preventive maintenance logs to keep future swaps straightforward.\u003c\/li\u003e \u003cli\u003eFollow all safety protocols and consult a licensed electrician when working with high-current, three-phase electrical equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Square D M800R 800A 3P 600V Circuit Breaker for dependable protection, consistent part numbers, and outdoor-ready ruggedness that keeps your electrical distribution running smoothly—day in and day out.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410941399202,"sku":"M800R","price":8138.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/square-d-m800r-800a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}