{"product_id":"sonoff-smart-wi-fi-switch-for-energy-metering-spm-main","title":"SONOFF Smart Wi-Fi Switch for Energy Metering SPM-MAIN","description":"\u003cdiv style=\"font-size: 1.1em;\"\u003e\n\u003ch2\u003eSonoff SPM-MAIN smart switch - easy energy consumption monitoring\u003c\/h2\u003e\n\u003cp\u003e For anyone who wants to have a better overview of their electricity consumption at home or in the office, and is looking for a practical way to manage electrical installations via a Wi-Fi network.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e Allows remote monitoring and measurement of energy consumption\u003c\/li\u003e\n\u003cli\u003e User-friendly management via app\u003c\/li\u003e\n\u003cli\u003e Suitable for multiple devices\u003c\/li\u003e\n\u003cli\u003e Increased security with smart features\u003c\/li\u003e\n\u003cli\u003e Energy savings and greater control over consumption\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cbr\u003e\u003cbr\u003e\u003cdiv data-content-type=\"row\" data-appearance=\"contained\" data-element=\"main\"\u003e\u003cdiv data-enable-parallax=\"0\" data-parallax-speed=\"0.5\" data-background-images=\"{}\" data-background-type=\"image\" data-video-loop=\"true\" data-video-play-only-visible=\"true\" data-video-lazy-load=\"true\" data-video-fallback-src=\"\" data-background-lazy-load=\"\" data-element=\"inner\" data-pb-style=\"FK4S47K\"\u003e\u003cdiv data-content-type=\"text\" data-appearance=\"default\" data-element=\"main\"\u003e\n\u003cp\u003e \u003cstrong\u003eAllows connection of up to 32 SPM-4-relay relays\u003c\/strong\u003e\u003cbr\u003e \u003cspan class=\"Y2IQFc\" lang=\"sl\"\u003eYou can connect 32 SPM-4 relays to one SPM-main. Each SPM-4Relay has 4 isolated channels, which helps you manage your devices more conveniently.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eConsumption measurement (Smart Stackable Power Meter)\u003cbr\u003e\u003c\/strong\u003e You can monitor the consumption measurement by checking the eWeLink app on your mobile phone. Easily get information about current, voltage and power.\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eSupport up to maximum current 20A\/channel\u003cbr\u003e\u003c\/strong\u003e Each channel can support a maximum current of 20A without fear of being unable to operate more demanding loads\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eEnables RS-485 communication protocol\u003c\/strong\u003e\u003cbr\u003e SPM-Main communicates with SPM-4 relays via RS-485, which enables multi-terminal and stable data transfer in case of longer connections\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eOverload protection\u003c\/strong\u003e\u003cbr\u003e When overload protection is enabled, it can protect your devices from excessive electrical current\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eNote: The main unit (SPM-MAIN) and 4-relay power meters must be used together. The main unit must be connected to at least one 4-channel relay for operation.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003e\u003cstrong\u003eManufacturer's website:\u003c\/strong\u003e \u003ca href=\"https:\/\/b2b.itead.cc\/spm-main.html\" rel=\"nofollow\"\u003ehttps:\/\/b2b.itead.cc\/spm-main.html\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eTechnical information:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable border=\"1\" style=\"width: 201px; height: 234px;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cp\u003e Product type\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e Wi-Fi smart switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Electrical voltage\u003c\/td\u003e\n\u003ctd\u003e 100-240V 50mA Max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Contact type\u003c\/td\u003e\n\u003ctd\u003e Wet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Wireless connectivity\u003c\/td\u003e\n\u003ctd\u003e Wi-Fi IEEE 802.11b\/g\/n 2.4GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e RF 433MHz\u003c\/td\u003e\n\u003ctd\u003e No\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e DIY fashion\u003c\/td\u003e\n\u003ctd\u003e No\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Declaration of conformity\u003c\/td\u003e\n\u003ctd\u003e CE, FCC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Operating temperature \u003c\/td\u003e\n\u003ctd\u003e\n\u003cbr\u003e\u003ctable class=\"data table additional-attributes\" id=\"product-attribute-specs-table\"\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd class=\"col data\" data-th=\"Operating Temperature\"\u003e -10°C~40°C\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Housing material\u003c\/td\u003e\n\u003ctd\u003e PC V0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cbr\u003e\u003cbr\u003e\u003ch2\u003eUser view\u003c\/h2\u003e\u003cp\u003e The SONOFF SPM-MAIN smart Wi-Fi switch for energy consumption measurement is most often chosen by users who want a better overview of electricity consumption at home, in the office or in small business premises. It is a practical solution especially for those who want to automate consumption control or make daily remote device management easier.\u003c\/p\u003e\u003cp\u003e Modern users appreciate easy connectivity to an existing smart home and the ability to control via a mobile app. The reputation of the \u003ca href=\"https:\/\/www.enaa.com\/znamka\/sonoff\"\u003eSonoff\u003c\/a\u003e brand, which is considered a reliable choice in the field of smart home components, is also important.\u003c\/p\u003e\u003ch2\u003e Why buy at Enaa\u003c\/h2\u003e\u003cp\u003e At Enaa, you can find a wide range of smart home solutions, where you can easily compare products within the same category and quickly find the right model for you. Our user experience and clear information help you choose the product that meets your needs.\u003c\/p\u003e\u003ch2\u003e Answers to frequently asked questions\u003c\/h2\u003e\u003ch3\u003e What do I need to start using the SONOFF SPM-MAIN smart switch?\u003c\/h3\u003e\u003cp\u003e To operate, you need a stable Wi-Fi network and basic setup via a mobile app that guides you through the steps to connect and manage the switch.\u003c\/p\u003e\u003ch3\u003e Can I use this product to monitor the consumption of multiple devices at the same time?\u003c\/h3\u003e\u003cp\u003e The switch is suitable for installation in a system that allows monitoring the consumption of multiple devices in a room, but the specific support for the number of devices may vary depending on your overall smart home setup.\u003c\/p\u003e\u003ch3\u003e Is remote control possible?\u003c\/h3\u003e\u003cp\u003e Yes, you can control the switch and monitor its operation remotely if you have an internet connection in the room where the switch is installed.\u003c\/p\u003e\u003ch3\u003e What type of user is this module best suited for?\u003c\/h3\u003e\u003cp\u003e It is most used by those interested in optimizing energy costs, whether in a home environment or in spaces with multiple devices where consumption control is important for efficiency.\u003c\/p\u003e\u003ch3\u003e Can the switch be integrated into larger smart home systems?\u003c\/h3\u003e\u003cp\u003e Yes, the standard communication options make the switch suitable for integration into larger smart home management solutions, although it is recommended to check compatibility with your existing system.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e\u003cbr \/\u003e\n{\u003cbr \/\u003e\n\"@context\": \"https:\/\/schema.org\",\u003cbr \/\u003e\n\"@type\": \"FAQPage\",\u003cbr \/\u003e\n\"mainEntity\": [\u003cbr \/\u003e\n{\u003cbr \/\u003e\n\"@type\": \"Question\",\u003cbr \/\u003e\n\"name\": \"Kaj potrebujem za začetek uporabe pametnega stikala SONOFF SPM-MAIN?\",\u003cbr \/\u003e\n\"acceptedAnswer\": {\u003cbr \/\u003e\n\"@type\": \"Answer\",\u003cbr \/\u003e\n\"text\": \"Za delovanje potrebujete stabilno Wi-Fi omrežje in osnovno nastavitev prek mobilne aplikacije, ki vas vodi skozi korake za povezavo in upravljanje stikala.\"\u003cbr \/\u003e\n}\u003cbr \/\u003e\n},\u003cbr \/\u003e\n{\u003cbr \/\u003e\n\"@type\": \"Question\",\u003cbr \/\u003e\n\"name\": \"Ali lahko s tem izdelkom nadzorujem porabo več naprav hkrati?\",\u003cbr \/\u003e\n\"acceptedAnswer\": {\u003cbr \/\u003e\n\"@type\": \"Answer\",\u003cbr \/\u003e\n\"text\": \"Stikalo je primerno za vgradnjo v sistem, ki omogoča spremljanje porabe več naprav v prostoru, vendar konkretna podpora za število naprav lahko variira glede na vašo skupno nastavitev pametnega doma.\"\u003cbr \/\u003e\n}\u003cbr \/\u003e\n},\u003cbr \/\u003e\n{\u003cbr \/\u003e\n\"@type\": \"Question\",\u003cbr \/\u003e\n\"name\": \"Je upravljanje mogoče tudi oddaljeno?\",\u003cbr \/\u003e\n\"acceptedAnswer\": {\u003cbr \/\u003e\n\"@type\": \"Answer\",\u003cbr \/\u003e\n\"text\": \"Da, stikalo lahko upravljate in spremljate njegovo delovanje tudi na daljavo, če imate vzpostavljeno internetno povezavo v prostoru, kjer je stikalo nameščeno.\"\u003cbr \/\u003e\n}\u003cbr \/\u003e\n},\u003cbr \/\u003e\n{\u003cbr \/\u003e\n\"@type\": \"Question\",\u003cbr \/\u003e\n\"name\": \"Za kakšen tip uporabnikov je ta modul najbolje primeren?\",\u003cbr \/\u003e\n\"acceptedAnswer\": {\u003cbr \/\u003e\n\"@type\": \"Answer\",\u003cbr \/\u003e\n\"text\": \"Najbolj ga uporabljajo tisti, ki jih zanima optimizacija stroškov energije, bodisi v domačem okolju ali v prostorih z več napravami, kjer je nadzor porabe pomemben za učinkovitost.\"\u003cbr \/\u003e\n}\u003cbr \/\u003e\n},\u003cbr \/\u003e\n{\u003cbr \/\u003e\n\"@type\": \"Question\",\u003cbr \/\u003e\n\"name\": \"Ali je stikalo mogoče vključiti v večje sisteme pametnega doma?\",\u003cbr \/\u003e\n\"acceptedAnswer\": {\u003cbr \/\u003e\n\"@type\": \"Answer\",\u003cbr \/\u003e\n\"text\": \"Da, zaradi standardnih komunikacijskih možnosti je stikalo primerno za integracijo v večje rešitve upravljanja pametnega doma, čeprav je priporočljivo preveriti združljivost z vašim obstoječim sistemom.\"\u003cbr \/\u003e\n}\u003cbr \/\u003e\n}\u003cbr \/\u003e\n]\u003cbr \/\u003e\n}\u003cbr \/\u003e\n\u003c\/script\u003e\u003cp style=\"font-size: 0.9em; color: #666;\"\u003eDescription updated: March 2026\u003c\/p\u003e","brand":"Sonoff","offers":[{"title":"Default Title","offer_id":59180133613899,"sku":null,"price":53.39,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/3457\/3643\/files\/sonoff_pametno_stikalo_wi_fi_za_merjenje_porabe_energije_spm_main_etcwzio6gegx.jpg?v=1794141212","url":"https:\/\/enaa.eu\/products\/sonoff-smart-wi-fi-switch-for-energy-metering-spm-main","provider":"Enaa","version":"1.0","type":"link"}