{"product_id":"siemens-hmx3r800l","title":"Siemens HMX3R800L 800A 3-Pole 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered by Siemens, the HMX3R800L is a heavy-duty circuit breaker built for reliability in 600 V environments. With an impressive \u003cstrong\u003e800 A\u003c\/strong\u003e current rating, \u003cstrong\u003e3-pole\u003c\/strong\u003e configuration, and a voltage rating of \u003cstrong\u003e600 V\u003c\/strong\u003e, this unit delivers robust protection for high-demand electrical feeders and main distribution panels.\u003c\/p\u003e \u003cp\u003ePart Number: \u003cstrong\u003eHMX3R800L\u003c\/strong\u003e — when a Siemens part is required for compatibility and enduring performance, this breaker slots into standard Siemens enclosures and switchgear designed for three-phase protection.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 800 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3 (three-phase protection)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HMX3R800L\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical applications and benefits\u003c\/h3\u003e\n\u003cp\u003eIdeal for industrial facilities, data centers, and manufacturing environments where a single device must safeguard three hot legs. The 3-pole configuration ensures all phases trip together, reducing the risk of phase-to-phase faults that can damage motors, drives, and sensitive equipment.\u003c\/p\u003e \u003cp\u003eUse cases include main service protection in 600 V distribution boards, motor control centers, and panel boards where a reliable, high-current breaker is required to interrupt fault currents and safeguard downstream components.\u003c\/p\u003e \u003ch3\u003eWhat sets this Siemens breaker apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eGenuine Siemens engineering:\u003c\/strong\u003e Built to harmonize with Siemens panels and accessories, ensuring smooth replacement and consistent electrical performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current protection:\u003c\/strong\u003e Ready for demanding loads up to 800 A, making it suitable for main feeders and heavy-duty circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-phase integrity:\u003c\/strong\u003e Simultaneous trip across all three poles minimizes risk during faults and improves overall protection strategy.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eInstallation tip: verify enclosure compatibility for the HMX3R family and ensure any required mounting accessories are available. As with all protective devices, adopt proper torque and wiring practices per Siemens installation guidelines to maintain clamping force and insulation integrity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423586996386,"sku":"HMX3R800L","price":47012.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-hmx3r800l","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}