{"product_id":"a30-u1-dc-0-to-999v-voltage-guard-controller-board","title":"A30-U1 DC 0 To 99.9V Voltage Guard Controller Board With Delay Relay For Overvoltage Undervoltage Protection, Voltage Detection, Real-Time Screen Readout, And Easy Set Mode For Hassle-Free Power Monitoring","description":"\u003cdiv\u003eA30-U1 DC Voltage Guard Controller with Delay Relay Module\u003cbr\u003e\n✔️ Monitors 0-99.9V with upper\/lower limits and auto-off timer, single unit \u003cp\u003eThe A30-U1 DC Voltage Guard Controller is a compact protection board designed for power supplies, battery chargers, and motor controllers. It guards against voltage spikes and dips using a delay relay and a simple SET\/ENTER mode for quick setup.\u003c\/p\u003e \u003cp\u003e✅ 0-99.9V DC input range\u003cbr\u003e\n✅ Upper and lower voltage limits adjustable via SET\/ENTER\u003cbr\u003e\n✅ Voltage verification offset range -0.5V to 0.5V\u003cbr\u003e\n✅ Display auto-off timer D-0 to D-9 minutes (D-0 = always on)\u003cbr\u003e\n✅ Relay output can be set to ON H or ON L for charging\/discharging\u003cbr\u003e\n✅ Real-time voltage readout and easy power-on status\u003c\/p\u003e \u003cp\u003e💡 What is a voltage guard controller used for in DC power systems? A handy device to protect DC circuits by keeping voltage within set limits and triggering a relay as needed.\n- voltage guard controller provides overvoltage and undervoltage protection for DC systems\n- handy relay-based protection with adjustable upper\/lower limits and delay timer\n- real-time voltage readout and simple SET\/ENTER configuration improves setup speed\n- ideal for power supplies, battery chargers, and motor controllers\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48101842157803,"sku":"VXB0CDGSG231","price":88.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/51TpH2o4MjL.jpg?v=1776300030","url":"https:\/\/vxb.com\/products\/a30-u1-dc-0-to-999v-voltage-guard-controller-board","provider":"VXB Bearings","version":"1.0","type":"link"}