{"product_id":"shelly-em-gen4-wi-fi-energy-meter-409892","title":"Shelly EM Gen4 Wi-Fi Energy Meter","description":"\u003ch2\u003eShelly EM Gen4 Wi-Fi Energy Meter\u003c\/h2\u003e\n\n\u003cp\u003eThe Shelly EM Gen4 is a compact smart energy meter designed for real-time electricity monitoring in homes and businesses. Featuring Wi-Fi 6, Bluetooth 5, Zigbee and Matter connectivity, it supports single-phase, two-channel energy measurement using compatible current transformers. With local data storage, advanced automation capabilities and a dry-contact relay for contactor control, it provides a versatile solution for monitoring energy consumption and improving efficiency.\u003c\/p\u003e\n\n\u003cp\u003e\u003cimg src=\"https:\/\/pv-one.de\/cdn\/shop\/files\/Shelly-EM-Gen4_front_jpg.webp?v=1777670269\u0026amp;width=900\" alt=\"Shelly EM Gen4 Wi-Fi Energy Meter\" style=\"max-width: 100%; height: auto;\"\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eSmart single-phase, two-channel energy meter\u003c\/li\u003e\n\t\u003cli\u003eReal-time electricity consumption monitoring\u003c\/li\u003e\n\t\u003cli\u003eWi-Fi 6 wireless connectivity\u003c\/li\u003e\n\t\u003cli\u003eBluetooth 5 Low Energy connectivity\u003c\/li\u003e\n\t\u003cli\u003eZigbee connectivity with repeater functionality\u003c\/li\u003e\n\t\u003cli\u003eMatter smart home compatibility\u003c\/li\u003e\n\t\u003cli\u003eSupports up to two current transformers\u003c\/li\u003e\n\t\u003cli\u003eCompatible with 50A, 80A and 120A CT clamps\u003c\/li\u003e\n\t\u003cli\u003eOne 50A current transformer included\u003c\/li\u003e\n\t\u003cli\u003eMeasures voltage, current, power and energy\u003c\/li\u003e\n\t\u003cli\u003eLocal data logging for at least 30 days\u003c\/li\u003e\n\t\u003cli\u003eOne-minute measurement record resolution\u003c\/li\u003e\n\t\u003cli\u003eDry-contact relay for contactor control\u003c\/li\u003e\n\t\u003cli\u003e16MB flash memory\u003c\/li\u003e\n\t\u003cli\u003eMQTT, HTTP, WebSocket and RPC support\u003c\/li\u003e\n\t\u003cli\u003eOverheating and electrical protection features\u003c\/li\u003e\n\t\u003cli\u003eCompact design for concealed installation\u003c\/li\u003e\n\t\u003cli\u003eManufacturer Model: S4EM-002CXCEU\u003c\/li\u003e\n\t\u003cli\u003eEAN: 3800238070779\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\n\u003ch3\u003eReal-Time Energy Monitoring\u003c\/h3\u003e\n\n\u003cp\u003eThe Shelly EM Gen4 measures electricity consumption in real time, helping users track energy usage and identify opportunities to improve efficiency. Measurements include voltage, current, active power, apparent power, energy and power factor.\u003c\/p\u003e\n\n\u003ch3\u003eDual-Channel Energy Measurement\u003c\/h3\u003e\n\n\u003cp\u003eThe device supports two measurement channels using compatible current transformers. This allows monitoring of two electrical circuits within a single-phase installation.\u003c\/p\u003e\n\n\u003ch3\u003eWi-Fi 6 and Multi-Protocol Connectivity\u003c\/h3\u003e\n\n\u003cp\u003eBuilt-in Wi-Fi 6, Bluetooth 5 and Zigbee connectivity provides flexible integration with compatible smart home networks. Matter compatibility enables interoperability with supported home automation platforms.\u003c\/p\u003e\n\n\u003ch3\u003eCurrent Transformer Compatibility\u003c\/h3\u003e\n\n\u003cp\u003eThe EM Gen4 supports 50A, 80A and 120A current transformers for contactless current measurement. One 50A CT clamp is included, while additional compatible clamps are available separately.\u003c\/p\u003e\n\n\u003ch3\u003eLocal Energy Data Storage\u003c\/h3\u003e\n\n\u003cp\u003eBuilt-in memory stores at least 30 days of energy measurement records at one-minute resolution. Data can be accessed locally and exported for monitoring and analysis.\u003c\/p\u003e\n\n\u003ch3\u003eSmart Automation and Scheduling\u003c\/h3\u003e\n\n\u003cp\u003eSupport for schedules, webhooks, scripting and MQTT allows users to create automated actions based on energy measurements and integrate the meter into compatible automation systems.\u003c\/p\u003e\n\n\u003ch3\u003eDry-Contact Relay Control\u003c\/h3\u003e\n\n\u003cp\u003eAn integrated dry-contact relay supports control of external contactors, allowing compatible equipment to be switched through an appropriately configured electrical installation.\u003c\/p\u003e\n\n\u003ch3\u003eCompact Installation Design\u003c\/h3\u003e\n\n\u003cp\u003eMeasuring just 37 x 42 x 16mm, the EM Gen4 is designed for installation in electrical wall boxes and other suitable enclosed locations with limited space.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\n\n\u003ctable style=\"border-collapse: collapse; width: 100%;\"\u003e\n\t\u003ctbody\u003e\n\t\t\u003ctr style=\"background-color: rgb(68, 68, 68); color: rgb(255, 255, 255);\"\u003e\n\t\t\t\u003cth style=\"text-align: left; padding: 8px; border: 1px solid rgb(221, 221, 221);\"\u003eSpecification\u003c\/th\u003e\n\t\t\t\u003cth style=\"text-align: left; padding: 8px; border: 1px solid rgb(221, 221, 221);\"\u003eDetails\u003c\/th\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"background-color: rgb(242, 242, 242);\"\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003eShelly\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003eEM Gen4\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"background-color: rgb(242, 242, 242);\"\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eManufacturer Model\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003eS4EM-002CXCEU\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eEAN\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e3800238070779\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"background-color: rgb(242, 242, 242);\"\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003eSmart Energy Meter\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eMeasurement Type\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003eSingle-Phase, 2 Channels\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"background-color: rgb(242, 242, 242);\"\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e110-240V AC, 50\/60Hz\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003eLess Than 1W\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"background-color: rgb(242, 242, 242);\"\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eVoltage Measurement\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e110-240V AC\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eVoltage Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e±2%\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"background-color: rgb(242, 242, 242);\"\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eCurrent Measurement\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e0-120A\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eCurrent Transformers\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e50A, 80A, 120A Compatible\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"background-color: rgb(242, 242, 242);\"\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eIncluded CT Clamp\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e1 x 50A\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eRelay Type\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003eDry Contact\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"background-color: rgb(242, 242, 242);\"\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eMaximum Relay Current\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e2A\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eMaximum Switching Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e240V AC\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"background-color: rgb(242, 242, 242);\"\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eWi-Fi\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e802.11 b\/g\/n\/ax, 2.4GHz\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eBluetooth\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e5 LE\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"background-color: rgb(242, 242, 242);\"\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eZigbee\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003eIEEE 802.15.4\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eMatter\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003eSupported\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"background-color: rgb(242, 242, 242);\"\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eFlash Memory\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e16MB\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eLocal Data Storage\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003eAt Least 30 Days\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"background-color: rgb(242, 242, 242);\"\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e-20°C to 40°C\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eDimensions (H x W x D)\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e37 x 42 x 16mm\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"background-color: rgb(242, 242, 242);\"\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e26g\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 7px;\"\u003eWhite\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box:\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e1 x Shelly EM Gen4 Energy Meter\u003c\/li\u003e\n\t\u003cli\u003e1 x 50A Current Transformer Clamp\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Installation must be performed by a qualified electrician or authorised installer. The device requires a suitable AC supply and compatible CT clamps for energy measurement. Additional current transformers and external contactors are sold separately. The dry-contact relay is rated at 2A and must not be used to directly switch higher-current loads. Wireless functionality depends on network compatibility and operating conditions.\u003c\/p\u003e\n\n\u003cp\u003eThe Shelly EM Gen4 Wi-Fi Energy Meter combines precise dual-channel monitoring, Wi-Fi 6, Zigbee, Matter and local data logging in a compact design. With flexible automation and current transformer support, it provides an effective solution for monitoring and managing electricity consumption in homes and businesses.\u003c\/p\u003e","brand":"FirstShop","offers":[{"title":"Default Title","offer_id":68032736592239,"sku":"Shelly EM Gen4","price":1399.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0457\/5893\/9300\/files\/shelly-em-gen4-power-adapters-inverters-1266536114.jpg?v=1793962169","url":"https:\/\/www.firstshop.co.za\/products\/shelly-em-gen4-wi-fi-energy-meter-409892","provider":"FirstShop","version":"1.0","type":"link"}