{"product_id":"sonoff-spm-4relay-smart-power-monitoring-switch-4-channel","title":"SONOFF Smart Power Monitoring Switch 20A\/Gang | 4-Channel Relay Module | DIN Rail | SPM-4RELAY","description":"\u003cp\u003eThe SONOFF SPM-4RELAY is a professional-grade 4-channel DIN rail-mounted smart relay designed for precise high-power control and energy monitoring. Ideal for smart homes, commercial spaces, server rooms, vending machines, and industrial energy management projects, it allows simultaneous management of up to four devices independently. When paired with the SPM-Main unit, the SPM-4RELAY provides remote control, real-time power usage monitoring, overload protection, and cloud-based data storage via the eWeLink platform. The relay supports automated schedules, scene integration, and instant alerts, enabling intelligent energy management and operational efficiency. Built with durable materials and compact DIN-rail design, the SPM-4RELAY ensures reliable performance, safe operation, and seamless integration into professional and residential electrical setups.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e4 Independent Smart Relay Channels\u003c\/strong\u003e\u003cbr\u003eControl and monitor up to \u003cstrong\u003efour electrical circuits\u003c\/strong\u003e individually.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnergy Monitoring (When Used with SPM-Main)\u003c\/strong\u003e\u003cbr\u003eReal-time tracking of \u003cstrong\u003evoltage, current, power consumption, and historical energy data\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDIN Rail Mounting Design\u003c\/strong\u003e\u003cbr\u003eEasy installation into \u003cstrong\u003epower distribution boxes or control panels\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e \u003cstrong\u003eHigh Power \u0026amp; Safety Protection\u003c\/strong\u003e\u003cbr\u003eSupports up to \u003cstrong\u003e20A per channel (MAX 40A total)\u003c\/strong\u003e with \u003cstrong\u003eoverload and short-circuit protection\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRemote Control via eWeLink App\u003c\/strong\u003e\u003cbr\u003eTurn circuits ON\/OFF anytime, anywhere using your smartphone.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e \u003cstrong\u003eCloud \u0026amp; Local Storage\u003c\/strong\u003e\u003cbr\u003eEnergy data is stored securely on the cloud or locally via \u003cstrong\u003emicroSD card (up to 256GB)\u003c\/strong\u003e on the SPM-Main.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWorks with Schedules \u0026amp; Automation Scenes\u003c\/strong\u003e\u003cbr\u003eSupports \u003cstrong\u003etimers, scenes, and smart schedules\u003c\/strong\u003e across multiple relay channels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e \u003cstrong\u003eIndustrial \u0026amp; Commercial Grade Reliability\u003c\/strong\u003e\u003cbr\u003ePerfect for \u003cstrong\u003eoffices, workshops, apartment complexes, rental properties, vending machines, and server rooms\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSONOFF SPM-4RELAY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 × Independent Relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput \/ Output Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100–240V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Load per Channel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Max Load\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWireless Communication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS-485 (Connects to SPM-Main)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnergy Monitoring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes (Requires SPM-Main Module)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eData Storage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCloud or microSD up to 256GB (via SPM-Main)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIN Rail Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-10°C to +40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlame-Retardant PC V0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e143 × 90 × 66 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApp Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eeWeLink (iOS \u0026amp; Android)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE \/ FCC \/ RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"SONOFF","offers":[{"title":"Default Title","offer_id":52402759336252,"sku":"6920075776980","price":58.0,"currency_code":"JOD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/2356\/2044\/files\/sonoff-spm-4relay-smart-power-monitoring-switch-4-channel-relay-module-din-rail-mounted-energy-management-smart-home-automation-7835720.png?v=1776988088","url":"https:\/\/bestways.com\/products\/sonoff-spm-4relay-smart-power-monitoring-switch-4-channel","provider":"Bestways Smart-home Solutions ","version":"1.0","type":"link"}