{"product_id":"shelly-pro-3em-120a","title":"Shelly PRO 3EM-120A","description":"\u003ch2 data-section-id=\"wbwhv2\" data-start=\"23\" data-end=\"46\"\u003e\u003c\/h2\u003e\n\u003ch3 data-section-id=\"wbwhv2\" data-start=\"23\" data-end=\"46\"\u003eProduct Introduction\u003c\/h3\u003e\n\u003cp data-start=\"48\" data-end=\"441\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"48\" data-end=\"441\"\u003eThe \u003cstrong data-start=\"52\" data-end=\"75\"\u003eShelly Pro 3EM-120A\u003c\/strong\u003e is a professional-grade three-phase smart energy meter designed for installation inside electrical distribution boards using a DIN-rail mounting system. It enables precise monitoring of electricity consumption across three phases, making it suitable for residential, commercial, and industrial energy monitoring applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"443\" data-end=\"857\"\u003eUsing three external current transformer clamps rated for \u003cstrong data-start=\"501\" data-end=\"526\"\u003eup to 120 A per phase\u003c\/strong\u003e, the device measures voltage, current, power factor, and energy consumption in real time. This allows users to monitor the energy usage of entire buildings, solar installations, EV chargers, or high-power equipment through the Shelly Smart Control platform or compatible automation systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"859\" data-end=\"1246\"\u003eWith \u003cstrong data-start=\"864\" data-end=\"906\"\u003eLAN, Wi-Fi, and Bluetooth connectivity\u003c\/strong\u003e, the Shelly Pro 3EM-120A supports both local and cloud control while offering advanced automation capabilities. The device also supports bidirectional energy monitoring, enabling measurement of both consumed and generated energy, making it particularly useful for photovoltaic (solar) installations. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"1248\" data-end=\"1263\"\u003e\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1ma7m6t\" data-start=\"1248\" data-end=\"1263\"\u003eKey Features\u003c\/h3\u003e\n\u003cp data-start=\"1265\" data-end=\"1450\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"1265\" data-end=\"1450\"\u003e\u003cstrong data-start=\"1265\" data-end=\"1298\"\u003eThree-Phase Energy Monitoring\u003c\/strong\u003e\u003cbr data-start=\"1298\" data-end=\"1301\"\u003eMeasures energy consumption across three electrical phases simultaneously for comprehensive power monitoring. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1452\" data-end=\"1623\"\u003e\u003cstrong data-start=\"1452\" data-end=\"1488\"\u003eUp to 120A Measurement Per Phase\u003c\/strong\u003e\u003cbr data-start=\"1488\" data-end=\"1491\"\u003eIncludes three current transformer clamps capable of monitoring loads up to 120 A per phase. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1625\" data-end=\"1808\"\u003e\u003cstrong data-start=\"1625\" data-end=\"1663\"\u003eProfessional DIN-Rail Installation\u003c\/strong\u003e\u003cbr data-start=\"1663\" data-end=\"1666\"\u003eDesigned for installation in electrical distribution boards for centralized energy monitoring systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1810\" data-end=\"1968\"\u003e\u003cstrong data-start=\"1810\" data-end=\"1840\"\u003eReal-Time Power Monitoring\u003c\/strong\u003e\u003cbr data-start=\"1840\" data-end=\"1843\"\u003eReports voltage, current, active power, and power factor for each phase in real time. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1970\" data-end=\"2144\"\u003e\u003cstrong data-start=\"1970\" data-end=\"2006\"\u003eBidirectional Energy Measurement\u003c\/strong\u003e\u003cbr data-start=\"2006\" data-end=\"2009\"\u003eTracks both energy consumption and energy production, making it ideal for solar energy systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2146\" data-end=\"2332\"\u003e\u003cstrong data-start=\"2146\" data-end=\"2188\"\u003eLAN, Wi-Fi, and Bluetooth Connectivity\u003c\/strong\u003e\u003cbr data-start=\"2188\" data-end=\"2191\"\u003eSupports wired Ethernet and wireless connectivity for reliable smart home and automation integration. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"1x726ct\" data-start=\"2334\" data-end=\"2359\"\u003e\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1x726ct\" data-start=\"2334\" data-end=\"2359\"\u003eSmart Home Integration\u003c\/h3\u003e\n\u003cp data-start=\"2361\" data-end=\"2464\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"2361\" data-end=\"2464\"\u003eThe Shelly Pro 3EM-120A integrates with a wide range of smart home ecosystems and automation platforms.\u003c\/p\u003e\n\u003cp data-start=\"2466\" data-end=\"2497\"\u003eSupported integrations include:\u003c\/p\u003e\n\u003cp data-start=\"2499\" data-end=\"2620\"\u003e• Shelly Smart Control App\u003cbr data-start=\"2525\" data-end=\"2528\"\u003e• Amazon Alexa\u003cbr data-start=\"2542\" data-end=\"2545\"\u003e• Google Home\u003cbr data-start=\"2558\" data-end=\"2561\"\u003e• Home Assistant\u003cbr data-start=\"2577\" data-end=\"2580\"\u003e• MQTT and REST API automation systems\u003c\/p\u003e\n\u003cp data-start=\"2622\" data-end=\"2694\"\u003eOnce connected, the device can be used for automation scenarios such as:\u003c\/p\u003e\n\u003cp data-start=\"2696\" data-end=\"2934\"\u003e• Monitoring total household or building energy consumption\u003cbr data-start=\"2755\" data-end=\"2758\"\u003e• Tracking solar production and grid usage\u003cbr data-start=\"2800\" data-end=\"2803\"\u003e• Managing high-power loads such as EV chargers or HVAC systems\u003cbr data-start=\"2866\" data-end=\"2869\"\u003e• Automating energy usage based on power consumption thresholds\u003c\/p\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"2936\" data-end=\"2963\"\u003e\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1cgu054\" data-start=\"2936\" data-end=\"2963\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp data-start=\"2965\" data-end=\"3520\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"2965\" data-end=\"3520\"\u003eProduct Type: Three-Phase Smart Energy Meter\u003cbr data-start=\"3009\" data-end=\"3012\"\u003eModel: Shelly Pro 3EM-120A\u003cbr data-start=\"3038\" data-end=\"3041\"\u003eMeasurement Channels: 3 phases\u003cbr data-start=\"3071\" data-end=\"3074\"\u003eMaximum Measurement Current: 120 A per phase\u003cbr data-start=\"3118\" data-end=\"3121\"\u003ePower Supply: 110–240 V AC\u003cbr data-start=\"3147\" data-end=\"3150\"\u003eConnectivity: Wi-Fi 2.4 GHz, Ethernet (LAN), Bluetooth\u003cbr data-start=\"3204\" data-end=\"3207\"\u003eMeasurement Accuracy: Approx. ±1%\u003cbr data-start=\"3240\" data-end=\"3243\"\u003eEnergy Data Logging: Up to 60 days of historical data at 1-minute intervals \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"3356\" data-end=\"3359\"\u003eMeasurement Parameters: Voltage, current, active power, reactive power, power factor\u003cbr data-start=\"3443\" data-end=\"3446\"\u003eMounting: DIN-rail installation\u003cbr data-start=\"3477\" data-end=\"3480\"\u003eOperating Temperature: −20 °C to 40 °C\u003c\/p\u003e\n\u003ch2 data-section-id=\"9ryk6m\" data-start=\"3522\" data-end=\"3542\"\u003e\u003c\/h2\u003e\n\u003ch3 data-section-id=\"9ryk6m\" data-start=\"3522\" data-end=\"3542\"\u003eWhat’s in the Box\u003c\/h3\u003e\n\u003cp data-start=\"3544\" data-end=\"3656\"\u003eShelly Pro 3EM-120A energy meter\u003cbr data-start=\"3576\" data-end=\"3579\"\u003e3 × 120A current transformer clamps\u003cbr data-start=\"3614\" data-end=\"3617\"\u003eMounting hardware\u003cbr data-start=\"3634\" data-end=\"3637\"\u003eQuick start guide\u003c\/p\u003e\n\u003cp data-start=\"3544\" data-end=\"3656\"\u003e \u003c\/p\u003e","brand":"Shelly","offers":[{"title":"Default Title","offer_id":53085731062065,"sku":"SHELLY PRO 3EM-120A","price":3199.99,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0976\/4601\/8865\/files\/SHELLYPRO3EM-120AImg2.webp?v=1772969808","url":"https:\/\/luxone.co.za\/af\/products\/shelly-pro-3em-120a","provider":"LuxOne Living (Pty) Ltd","version":"1.0","type":"link"}