{"product_id":"12v-four-channel-relay-module-with-opto-isolation","title":"12V Four Channel Relay Module With Opto Isolation And High And Low Level Trigger For Arduino And Home Automation, 250V AC Load, SMD Optocoupler For Projects","description":"\u003cdiv\u003e12V 4-Channel Relay Module with Opto Isolation for Arduino\u003cbr\u003e\n✔️ SMD optocoupler isolation, high\/low trigger, 250V AC 10A (single module) \u003cp\u003eThis 12V four-channel relay module uses opto isolation to safely switch a 250V AC load and is commonly used with Arduino and home automation projects.\u003c\/p\u003e \u003cp\u003e✅ 4-channel relay module with NO\/COM\/NC per channel\u003cbr\u003e✅ 12V supply with trigger current around 5mA\u003cbr\u003e✅ Max load AC 250V\/10A per channel, DC 30V\/10A\u003cbr\u003e✅ SMD optocoupler isolation for stable performance\u003cbr\u003e✅ High and low trigger selectable via jumper per channel\u003cbr\u003e✅ Fault-tolerant design keeps relays from triggering if control line fails\u003cbr\u003e✅ Green power indicator and red 4-relay status indicators\u003cbr\u003e✅ Direct terminal wiring interface for easy connections\u003cbr\u003e✅ Size: 73mm x 50mm x 18.5mm; four 3.1mm mounting holes\u003c\/p\u003e \u003cp\u003e💡 What is a 12V four channel relay module with opto isolation used for in Arduino and home automation projects?\u003c\/p\u003e\nThis handy device lets you safely switch mains-level devices from a low-voltage controller.\n- opto isolated inputs protect the controlling device\n- four channels with NO\/COM\/NC contacts for multiple wiring options\n- jumper-selectable high or low level trigger for flexible control\n- supports up to 250V AC, 10A per channel for common loads✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49152442892523,"sku":"VXB00LW2GM84","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/719VuX-GPfL.jpg?v=1785908617","url":"https:\/\/vxb.com\/products\/12v-four-channel-relay-module-with-opto-isolation","provider":"VXB Bearings","version":"1.0","type":"link"}