{"product_id":"shelly-pro-3-din-rail-3-channel-wi-fi-smart-relay-switch-48a-total","title":"Shelly Pro 3 DIN Rail 3-Channel Wi-Fi Smart Relay Switch 48A Total","description":"\u003cdiv\u003e\n\u003ch1\u003eShelly Pro 3 DIN Rail 3-Channel Wi-Fi Smart Relay Switch 48A Total\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eShelly Pro 3\u003c\/strong\u003e is a professional-grade \u003cstrong\u003e3-channel DIN rail smart relay switch\u003c\/strong\u003e designed for advanced home and commercial automation. With \u003cstrong\u003epotential-free dry contacts\u003c\/strong\u003e, it can control three completely independent circuits, including 3-phase systems, with \u003cstrong\u003e16A per channel and up to 48A total capacity\u003c\/strong\u003e. Featuring \u003cstrong\u003eWi-Fi, LAN Ethernet, and Bluetooth connectivity\u003c\/strong\u003e, the Shelly Pro 3 delivers reliable, hub-free automation with remote control via the Shelly Smart Control app, voice assistants, or integration with platforms like Home Assistant, Amazon Alexa, and Google Home.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple-Channel Control\u003c\/strong\u003e: Independently switch three separate circuits or control 3-phase electrical systems with 16A per channel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Connectivity\u003c\/strong\u003e: Simultaneous Wi-Fi and LAN Ethernet connection for maximum reliability and failover backup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotential-Free Dry Contacts\u003c\/strong\u003e: Wide voltage support from low voltage DC to 240V AC for flexible applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Safety\u003c\/strong\u003e: Built-in overvoltage, overpower, and temperature protection with automatic shutoff and notifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Hub Required\u003c\/strong\u003e: Works standalone on your local network or integrates with cloud automation services\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Scripting\u003c\/strong\u003e: Supports mJS scripting for advanced automation scenes based on external data or triggers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProfessional DIN Rail Installation\u003c\/h2\u003e\n\u003cp\u003eDesigned for installation inside electrical cabinets and breaker boxes, the Shelly Pro 3 mounts easily on \u003cstrong\u003estandard DIN rails\u003c\/strong\u003e. Its compact design and flame-resistant materials make it ideal for residential, commercial, office, and industrial environments. Perfect for controlling lighting circuits, HVAC systems, boilers, contactors, pumps, and other high-load appliances with professional reliability.\u003c\/p\u003e\n\n\u003ch2\u003eSmart Home Integration \u0026amp; Control\u003c\/h2\u003e\n\u003cp\u003eControl your circuits from anywhere using the \u003cstrong\u003eShelly Smart Control app\u003c\/strong\u003e on iOS or Android. Set schedules, create automation scenes, and monitor device status in real-time. The Shelly Pro 3 integrates seamlessly with \u003cstrong\u003eAmazon Alexa, Google Home, Home Assistant, Samsung SmartThings\u003c\/strong\u003e, and supports \u003cstrong\u003eMQTT, HTTP REST API, and WebSocket\u003c\/strong\u003e protocols for custom integrations. TLS 1.2 security ensures encrypted communication for local and cloud connections.\u003c\/p\u003e\n\n\u003ch2\u003eEnhanced Safety \u0026amp; Monitoring\u003c\/h2\u003e\n\u003cp\u003eThe Shelly Pro 3 includes \u003cstrong\u003etemperature monitoring every 100ms\u003c\/strong\u003e, automatically shutting off outputs if unsafe heat levels are detected. \u003cstrong\u003eOvervoltage and overpower protection\u003c\/strong\u003e safeguards connected appliances from electrical damage, immediately switching off and sending notifications when thresholds are exceeded. All Shelly Pro components are manufactured with \u003cstrong\u003eflame-resistant materials\u003c\/strong\u003e for added safety.\u003c\/p\u003e\n\n\u003ch2\u003eConnectivity \u0026amp; Compatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi\u003c\/strong\u003e: 2.4 GHz IEEE 802.11 b\/g\/n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth\u003c\/strong\u003e: BLE 4.2 for local control and setup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEthernet\u003c\/strong\u003e: RJ45 LAN port for wired connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtocols\u003c\/strong\u003e: MQTT, HTTP, WebSocket, CoAP with TLS support\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlatforms\u003c\/strong\u003e: Alexa, Google Home, Home Assistant, SmartThings, and more\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eShelly Pro 3 DIN Rail Smart Relay Switch\u003c\/li\u003e\n\u003cli\u003eUser Manual and Installation Guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFull Specifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eShelly Pro 3 (SPSW-303XE16EU)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e3 independent relay outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Current per Channel\u003c\/td\u003e\n\u003ctd\u003e16A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Device Current\u003c\/td\u003e\n\u003ctd\u003e48A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Type\u003c\/td\u003e\n\u003ctd\u003ePotential-free dry contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e110-240V AC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Support\u003c\/td\u003e\n\u003ctd\u003eWide range including low voltage DC to 240V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWi-Fi\u003c\/td\u003e\n\u003ctd\u003e2.4 GHz IEEE 802.11 b\/g\/n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003eBLE 4.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet\u003c\/td\u003e\n\u003ctd\u003eRJ45 LAN 10\/100 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN rail (standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H × W × D)\u003c\/td\u003e\n\u003ctd\u003e96 × 53 × 59 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShell Material\u003c\/td\u003e\n\u003ctd\u003eFlame-resistant plastic (black)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrew Terminal Torque\u003c\/td\u003e\n\u003ctd\u003e0.4 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductor Cross Section\u003c\/td\u003e\n\u003ctd\u003e0.5 to 2.5 mm² \/ 20 to 14 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Features\u003c\/td\u003e\n\u003ctd\u003eOvervoltage, overpower, temperature monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScripting Support\u003c\/td\u003e\n\u003ctd\u003emJS (JavaScript) for custom automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecurity\u003c\/td\u003e\n\u003ctd\u003eTLS 1.2 for MQTT, HTTP, WebSocket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmware\u003c\/td\u003e\n\u003ctd\u003eGen2 with regular OTA updates\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e5 years manufacturer warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003eSpecifications are sourced from the manufacturer product page and may be updated.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Shelly","offers":[{"title":"Default Title","offer_id":44390109610062,"sku":"PA-SHELLYPRO3","price":151.8,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/3134\/9838\/files\/Pro3.jpg?v=1790323599","url":"https:\/\/projectorsaustralia.com.au\/products\/shelly-pro-3-din-rail-3-channel-wi-fi-smart-relay-switch-48a-total","provider":"Projectors Australia","version":"1.0","type":"link"}