{"product_id":"siemens-hmy3p800-circuit-breaker","title":"Siemens | HMY3P800 | Circuit Breaker | 800A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HMY3P800 stands as a robust, high-capacity circuit breaker engineered for serious 3‑phase power distribution. Designed to protect heavy feeders and main distribution paths in demanding 600V systems, this unit delivers reliable overcurrent protection when it matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 800A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole (three‑phase protection)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility reference:\u003c\/strong\u003e The part number HMY3P800 is the best reference for ensuring a correct fit and ratings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntended uses:\u003c\/strong\u003e ideal for maintenance, retrofit, and replacement projects where exact specifications are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat makes the HMY3P800 unique is its alignment with real-world panel configurations that demand a precise, reliable 3‑pole, 600V breaker with an 800A capacity. It’s a purpose-built solution for environments where uptime matters: manufacturing floors, large mechanical rooms, data centers, and other facilities that rely on stable, protected 3‑phase power from Siemens’ trusted engineering lineage.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy choosing this Siemens breaker matters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact fit for retrofit and replacements:\u003c\/strong\u003e Use the HMY3P800 when your service needs require matching specs to avoid compatibility issues and extended downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility pathway:\u003c\/strong\u003e Rely on the part number as the most reliable guide for alignment with existing panels and protection schemes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable, industrial-grade protection:\u003c\/strong\u003e Built to withstand the rigors of continuous operation in modern electrical rooms and distribution panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStreamlined maintenance planning:\u003c\/strong\u003e Keep a precise, on-hand replacement to minimize service interruptions during routine maintenance or component swaps.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal for:\u003c\/strong\u003e electrical engineers, facility managers, and maintenance teams responsible for industrial power distributions that run on 600V three-phase systems. If your project involves upgrading, replacing, or maintaining a Siemens panel or compatible switchgear, this 800A, 3‑pole, 600V breaker delivers a dependable, specification-aligned solution.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for use\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eBefore ordering, \u003cem\u003everify fit and ratings\u003c\/em\u003e against your panel catalog and installation drawings—the HMY3P800 must match your system’s voltage, current, and pole configuration.\u003c\/li\u003e \u003cli\u003eKeep a spare HMY3P800 on-hand for proactive maintenance and rapid replacements to reduce downtime.\u003c\/li\u003e \u003cli\u003eDocument the part number (HMY3P800) in your maintenance logs to simplify future procurement and panel audits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427545108642,"sku":"HMY3P800","price":510.0,"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\/siemens-hmy3p800-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}