{"product_id":"shelly-1-gen4-single-channel-dry-contact-smart-switch-407327","title":"Shelly 1 Gen4 Single Channel Dry Contact Smart Switch","description":"\u003ch2\u003eShelly 1 Gen4 Single Channel Dry Contact Smart Switch\u003c\/h2\u003e\n\n\u003cp\u003eThe Shelly 1 Gen4 is a compact single-channel smart relay with potential-free dry contacts, designed for controlling lights, appliances, gates, garage doors, irrigation systems and other electrical loads. Supporting Wi-Fi, Zigbee, Bluetooth and Matter, it can integrate into a wide range of smart home and automation platforms while operating on both low-voltage DC and mains AC power.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eSingle-channel smart relay\u003c\/li\u003e\n\t\u003cli\u003ePotential-free \/ dry contact output\u003c\/li\u003e\n\t\u003cli\u003eUp to 16A switching at 240V AC\u003c\/li\u003e\n\t\u003cli\u003eUp to 10A switching at 30V DC\u003c\/li\u003e\n\t\u003cli\u003eSupports 110-240V AC power supply\u003c\/li\u003e\n\t\u003cli\u003eSupports 12V DC and 24-48V DC power supply\u003c\/li\u003e\n\t\u003cli\u003eWi-Fi 802.11b\/g\/n\/ax connectivity\u003c\/li\u003e\n\t\u003cli\u003eBluetooth 5 Low Energy\u003c\/li\u003e\n\t\u003cli\u003eZigbee 3.0 support\u003c\/li\u003e\n\t\u003cli\u003eMatter certified\u003c\/li\u003e\n\t\u003cli\u003eWorks with Apple Home through Matter\u003c\/li\u003e\n\t\u003cli\u003eSupports schedules, scenes and local actions\u003c\/li\u003e\n\t\u003cli\u003eMQTT and scripting support\u003c\/li\u003e\n\t\u003cli\u003eEmbedded web interface\u003c\/li\u003e\n\t\u003cli\u003eCompact 37 x 42 x 16mm design\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\n\u003ch3\u003eTrue Dry Contact Switching\u003c\/h3\u003e\n\n\u003cp\u003eThe Shelly 1 Gen4 uses potential-free relay contacts that are electrically isolated from the device's own power supply. This allows it to switch low-voltage and mains circuits within its rated limits, making it suitable for applications such as garage doors, gates, contactors, heating controls and lighting systems.\u003c\/p\u003e\n\n\u003ch3\u003eMultiprotocol Smart Connectivity\u003c\/h3\u003e\n\n\u003cp\u003eWi-Fi, Zigbee, Bluetooth and Matter support provide flexible integration with different smart home ecosystems. The device can work with platforms such as Apple Home, Alexa, Home Assistant and other compatible automation systems.\u003c\/p\u003e\n\n\u003ch3\u003eLow and High Voltage Power Support\u003c\/h3\u003e\n\n\u003cp\u003eThe Shelly 1 Gen4 can be powered from 110-240V AC, 12V DC or 24-48V DC, allowing the same smart relay to be used across a wide range of residential, commercial and automation applications.\u003c\/p\u003e\n\n\u003ch3\u003e16A AC Switching Capacity\u003c\/h3\u003e\n\n\u003cp\u003eThe relay can switch resistive loads up to 16A at 240V AC or up to 10A at 30V DC, providing sufficient capacity for many lighting, heating and appliance-control applications.\u003c\/p\u003e\n\n\u003ch3\u003eLocal and Cloud Automation\u003c\/h3\u003e\n\n\u003cp\u003eThe device can operate locally without an internet connection using its embedded web interface, schedules, scripting and MQTT. Cloud connectivity can also be enabled for remote control through the Shelly Smart Control app.\u003c\/p\u003e\n\n\u003ch3\u003eCompact Retrofit Design\u003c\/h3\u003e\n\n\u003cp\u003eMeasuring only 37 x 42 x 16mm, the Shelly 1 Gen4 is designed to fit behind compatible wall switches, sockets and other compact electrical installations where space is limited.\u003c\/p\u003e\n\n\u003ch3\u003eBuilt-In Protection and Automation Features\u003c\/h3\u003e\n\n\u003cp\u003eAn internal temperature sensor provides overheating protection, while support for schedules, webhooks, virtual components, KNXnet\/IP communication and scripting enables advanced automation workflows.\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eThe dry-contact output is electrically isolated from the power supply circuit.\u003c\/li\u003e\n\t\u003cli\u003eMaximum switching ratings depend on load type; inductive and capacitive loads may require an RC snubber.\u003c\/li\u003e\n\t\u003cli\u003eInstallation on mains-voltage circuits should be performed by a qualified electrician.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\n\n\u003ctable width=\"100%\"\u003e\n\t\u003ctbody\u003e\n\t\t\u003ctr bgcolor=\"#444444\"\u003e\n\t\t\t\u003ctd width=\"38%\"\u003e\u003cfont color=\"#ffffff\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/font\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003e\u003cfont color=\"#ffffff\"\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/font\u003e\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003eShelly\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003eShelly 1 Gen4\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eDevice Model\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003eS4SW-001X16EU\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003eSingle-Channel Dry Contact Smart Switch\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003e1\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eContact Type\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003ePotential-Free \/ Dry Contact\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003e110-240V AC \/ 12V DC \/ 24-48V DC\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003e\u0026lt; 1W\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eMaximum Switching Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003e240V AC \/ 30V DC\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eMaximum Switching Current\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003e16A at 240V AC \/ 10A at 30V DC\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eWi-Fi\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003e802.11b\/g\/n\/ax\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eBluetooth\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003eBluetooth 5 LE\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eZigbee\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003eZigbee 3.0 \/ Repeater Support\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eMatter\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003eCertified\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eWi-Fi Range\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003eUp to 30m Indoors \/ 50m Outdoors\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eBluetooth Range\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003eUp to 10m Indoors \/ 30m Outdoors\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eZigbee Range\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003eUp to 100m Indoors \/ 300m Outdoors\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eCPU\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003eESP-Shelly-C68F\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eFlash Memory\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003e8MB\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eInternal Temperature Sensor\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003eYes\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eSchedules\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003eUp to 20\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eMQTT\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003eSupported\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eScripting\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003eSupported\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003e-20°C to 40°C\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003e37 x 42 x 16mm\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003e26g\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003eBlue\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003e3 Years\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\t\t\t\u003ctd\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/td\u003e\n\t\t\t\u003ctd\u003eShelly 1 Gen4 Smart Switch\u003cbr\u003e\n\t\t\tUser \/ Safety Documentation\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003eChoose the Shelly 1 Gen4 Single Channel Dry Contact Smart Switch for flexible low- and high-voltage automation, 16A relay control, multiprotocol Wi-Fi, Zigbee, Bluetooth and Matter connectivity, and compact retrofit installation in modern smart home and automation systems.\u003c\/p\u003e\n","brand":"FirstShop","offers":[{"title":"Default Title","offer_id":67644707602799,"sku":"Shelly 1 Gen4","price":510.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0457\/5893\/9300\/files\/shelly-1-gen4-smart-home-1260438150.jpg?v=1790836818","url":"https:\/\/www.firstshop.co.za\/products\/shelly-1-gen4-single-channel-dry-contact-smart-switch-407327","provider":"FirstShop","version":"1.0","type":"link"}