{"product_id":"sonoff-smart-stackable-power-meter-spm","title":"Sonoff Smart Stackable Power Meter (SPM-Main)","description":"\u003ch2\u003eSonoff Smart Stackable Power Meter (SPM-Main)\u003c\/h2\u003e\n\u003cp data-start=\"0\" data-end=\"126\" class=\"\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eThe \u003cstrong data-start=\"4\" data-end=\"23\"\u003eSonoff SPM-Main\u003c\/strong\u003e is the central controller in Sonoff's \u003cstrong data-start=\"62\" data-end=\"99\"\u003eSmart Stackable Power Meter (SPM)\u003c\/strong\u003e system, designed for advanced energy monitoring and management across multiple circuits.\u003c\/span\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eIt's particularly suitable for environments like office buildings, shopping malls, server rooms, and industrial facilities.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"0\" data-end=\"126\" class=\"\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003cspan class=\"relative start-0 bottom-0 flex h-full w-full items-center\"\u003e\u003cspan class=\"flex h-4 w-full items-center justify-between overflow-hidden\"\u003e\u003cspan class=\"max-w-full grow truncate overflow-hidden text-center\"\u003e\u003ciframe width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/LcqV4a8yN0E\" title=\"How to Enter the DIY Mode of SONOFF SPM Stackable Smart Power Meter\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"128\" data-end=\"131\" class=\"\"\u003e\n\u003ch3 data-start=\"133\" data-end=\"158\" class=\"\"\u003e🔧 Key Specifications\u003c\/h3\u003e\n\u003cp data-start=\"162\" data-end=\"210\" class=\"\"\u003e\u003cstrong data-start=\"162\" data-end=\"172\"\u003eModel:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eSPM-Main\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"213\" data-end=\"268\" class=\"\"\u003e\u003cstrong data-start=\"213\" data-end=\"230\"\u003ePower Supply:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e100–240V AC, 50\/60Hz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"271\" data-end=\"334\" class=\"\"\u003e\u003cstrong data-start=\"271\" data-end=\"296\"\u003eNetwork Connectivity:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eWi-Fi (2.4GHz, IEEE 802.11 b\/g\/n) and Ethernet\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"337\" data-end=\"405\" class=\"\"\u003e\u003cstrong data-start=\"337\" data-end=\"367\"\u003eCommunication with Relays:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eRS-485 (supports up to 32 SPM-4Relay modules)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"408\" data-end=\"466\" class=\"\"\u003e\u003cstrong data-start=\"408\" data-end=\"428\"\u003eSD Card Support:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eMicroSD (8GB–32GB, SDHC) for local data storage\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"469\" data-end=\"522\" class=\"\"\u003e\u003cstrong data-start=\"469\" data-end=\"484\"\u003eDimensions:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e142.5 × 90 × 66.5 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"525\" data-end=\"576\" class=\"\"\u003e\u003cstrong data-start=\"525\" data-end=\"538\"\u003eMounting:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eDIN rail compatible\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"579\" data-end=\"645\" class=\"\"\u003e\u003cstrong data-start=\"579\" data-end=\"605\"\u003eOperating Temperature:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e-10°C to +40°C\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"579\" data-end=\"645\" class=\"\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003c\/span\u003e\u003cstrong data-start=\"648\" data-end=\"661\"\u003eMaterial:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eFlame-retardant PC V0\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"749\" data-end=\"752\" class=\"\"\u003e\n\u003ch3 data-start=\"754\" data-end=\"769\" class=\"\"\u003e⚙️ Features\u003c\/h3\u003e\n\u003cp data-start=\"773\" data-end=\"837\" class=\"\"\u003e\u003cstrong data-start=\"773\" data-end=\"797\"\u003eScalable Monitoring:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eConnect up to 32 SPM-4Relay modules, each with 4 channels, allowing management of up to 128 circuits.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"840\" data-end=\"899\" class=\"\"\u003e\u003cstrong data-start=\"840\" data-end=\"859\"\u003eReal-Time Data:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eMonitor voltage, current, and power consumption for each channel via the eWeLink app.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"902\" data-end=\"966\" class=\"\"\u003e\u003cstrong data-start=\"902\" data-end=\"926\"\u003eOverload Protection:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eSafeguards devices by disconnecting power when thresholds are exceeded.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"969\" data-end=\"1032\" class=\"\"\u003e\u003cstrong data-start=\"969\" data-end=\"992\"\u003eLocal Data Storage:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eStore up to 180 days of energy usage data on a MicroSD card, accessible via HTTP API.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1035\" data-end=\"1094\" class=\"\"\u003e\u003cstrong data-start=\"1035\" data-end=\"1054\"\u003eRemote Control:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eManage and monitor circuits remotely through the eWeLink app on Android and iOS devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1097\" data-end=\"1150\" class=\"\"\u003e\u003cstrong data-start=\"1097\" data-end=\"1110\"\u003eLAN Mode:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eContinued operation and control within the local network if internet connectivity is lost.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1153\" data-end=\"1255\" class=\"\"\u003e\u003cstrong data-start=\"1153\" data-end=\"1169\"\u003eIntegration:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eCompatible with the eWeLink ecosystem; REST API support available.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1257\" data-end=\"1260\" class=\"\"\u003e\n\u003ch3 data-start=\"1262\" data-end=\"1286\" class=\"\"\u003e📦 What's in the Box\u003c\/h3\u003e\n\u003cp data-start=\"1290\" data-end=\"1329\" class=\"\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e1 × Sonoff SPM-Main Unit\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1332\" data-end=\"1371\" class=\"\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e1 × 50cm RVVSP Cable\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1374\" data-end=\"1459\" class=\"\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e1 × User Manual\u003c\/span\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1461\" data-end=\"1554\" class=\"\"\u003e\u003cem data-start=\"1461\" data-end=\"1508\"\u003eNote: \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eSPM-4Relay modules and MicroSD card are sold separately.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003chr data-start=\"1556\" data-end=\"1559\" class=\"\"\u003e\n\u003ch3 data-start=\"1561\" data-end=\"1589\" class=\"\"\u003e🛠️ Installation \u0026amp; Setup\u003c\/h3\u003e\n\u003cp\u003e◆ \u003cstrong data-start=\"1594\" data-end=\"1608\"\u003ePower Off:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eEnsure the main power supply is turned off before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e◆ \u003cstrong data-start=\"1652\" data-end=\"1665\"\u003eMounting:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eInstall the SPM-Main unit onto a DIN rail within your electrical cabinet.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e◆ \u003cstrong data-start=\"1709\" data-end=\"1720\"\u003eWiring:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eConnect the SPM-Main to SPM-4Relay modules using RS-485 communication cables.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e◆ \u003cstrong data-start=\"1764\" data-end=\"1787\"\u003eNetwork Connection:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eConnect to your network via Wi-Fi or Ethernet.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e◆ \u003cstrong data-start=\"1831\" data-end=\"1867\"\u003eSD Card Installation (Optional):\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eInsert a MicroSD card (8GB–32GB) for local data storage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e◆ \u003cstrong data-start=\"1911\" data-end=\"1924\"\u003ePower On:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eRestore power and use the eWeLink app to complete setup and configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2012\" data-end=\"2143\" class=\"\"\u003e\u003cem data-start=\"2012\" data-end=\"2143\"\u003eEnsure all wiring complies with local electrical regulations and consider consulting a professional electrician for installation.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr data-start=\"2145\" data-end=\"2148\" class=\"\"\u003e\n\u003ch3 data-start=\"2150\" data-end=\"2166\" class=\"\"\u003e🔗 Resources\u003c\/h3\u003e\n\u003cp data-start=\"2170\" data-end=\"2236\" class=\"\"\u003e\u003cstrong data-start=\"2170\" data-end=\"2196\"\u003eOfficial Product Page:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003ca href=\"https:\/\/sonoff.tech\/product\/diy-smart-switches\/spm-main-spm-4relay\/\" data-start=\"0\" data-end=\"86\" data-is-last-node=\"\" data-is-only-node=\"\" rel=\"noopener noreferrer\"\u003eSonoff SPM-Main\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2239\" data-end=\"2341\" class=\"\"\u003e\u003cstrong data-start=\"2239\" data-end=\"2255\"\u003eUser Manual:\u003c\/strong\u003e \u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003ca href=\"https:\/\/sonoff.tech\/product-document\/diy-smart-switches-doc\/spm-main-spm-4relay-doc\/\" data-start=\"0\" data-end=\"123\" data-is-last-node=\"\" data-is-only-node=\"\" rel=\"noopener noreferrer\"\u003eSPM-Main \u0026amp; SPM-4Relay Documentation\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Sonoff","offers":[{"title":"Default Title","offer_id":51415777968435,"sku":"SPM-MAIN","price":40.0,"currency_code":"JOD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0868\/5643\/3971\/files\/spm.png?v=1745958317","url":"https:\/\/nasertech.com\/products\/sonoff-smart-stackable-power-meter-spm","provider":"متجر نصر","version":"1.0","type":"link"}