{"product_id":"sonoff-spm-main-smart-switch-wi-fi-ethernet-power-meter","title":"Sonoff SPM-Main smart switch Wi-Fi \/ Ethernet power meter","description":"\u003cp\u003e\u003cstrong\u003eSonoff SPM-Main smart switch Wi-Fi \/ Ethernet power meter\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Sonoff SPM-Main smart switch that allows you to measure power consumption. The device is the main element of a system consisting of SPM-Main and SPM-4Relay. The device supports wired connectivity (Ethernet RJ45 port) and wireless Wi-Fi. The product is very versatile - it can handle up to 128 channels! For this purpose, it should be connected with the SPM-4Relay switch (max 32 pcs). SPM-Main is equipped with overload protection which will avoid damage to your devices. In addition, thanks to the built-in microSD card reader, you can protect the history of energy consumption up to 180 days!\u003c\/p\u003e\u003cp\u003e \u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e Producer: Sonoff\u003c\/li\u003e\n\u003cli\u003e Model: SPM-Main\u003c\/li\u003e\n\u003cli\u003e White color\u003c\/li\u003e\n\u003cli\u003e Input: 100-240V ~ 50 \/ 60Hz 50mA max.\u003c\/li\u003e\n\u003cli\u003e Wi-Fi: 802.11 b \/ g \/ n 2.4 GHz\u003c\/li\u003e\n\u003cli\u003e Material: PC V0\u003c\/li\u003e\n\u003cli\u003e Dimensions: 142.5 x 90 x 66.5 mm\u003c\/li\u003e\n\u003cli\u003e Compatible microSD cards: 8-32 GB (microSDHC)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003cstrong\u003eThe most important features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e \u003cstrong\u003eMany applications -\u003c\/strong\u003e The SPM-Main switch has many different applications - it enables, among others, checking how much electricity your tenants use per month, what is the energy consumption in your office, protection of expensive equipment in the server room - the switch has overload protection.\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003ePossibility of connecting devices -\u003c\/strong\u003e SPM-Main communicates with the cloud using the Ethernet RJ45 port or Wi-Fi. The connection with the SPM-4Relay switches is done via the RS-485 port, thus ensuring stable transmission over long distances.\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eSupport for up to 128 channels\u003c\/strong\u003e - One SPM-Main module allows you to connect and control up to 32 SPM-4Relay switches. Each SPM-4Relay offers up to 4 independent channels with a maximum load of 20 A each. Thanks to this, SPM-Main can handle up to 128 channels! This makes it an ideal solution for apartment blocks - it allows you to check energy consumption in 128 apartments.\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eEnergy history on the microSD card\u003c\/strong\u003e - The product allows you to save the history of energy consumption measurements for the last 180 days. The switch is equipped with a microSD card reader (8-32 GB, microSDHC). This makes it possible to conveniently export data and ensure that important information is secured.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003eNote: microSD card and SPM-4Relay are not included in the set.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/2BFwAnOw9tY\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen\u003e\u003c\/iframe\u003e","brand":"Sonoff","offers":[{"title":"Default Title","offer_id":53207861821787,"sku":"H-95321","price":16.32,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0865\/0152\/3803\/files\/95321_1.jpg?v=1780289675","url":"https:\/\/prime-electronics.eu\/products\/sonoff-spm-main-smart-switch-wi-fi-ethernet-power-meter","provider":"Prime Electronics","version":"1.0","type":"link"}