{"product_id":"dc-dc-step-down-converter-12v-10a-120w-20-90v-wide-input","title":"DC-DC Step-Down Converter 12V 10A 120W | 20–90V Wide Input","description":"\u003ch2\u003eDC-DC Step-Down Converter — 12V Output, 10A, 120W | 20–90V Wide Input Range\u003c\/h2\u003e\n\u003cp\u003eConvert high-voltage DC power to a stable, clean 12V output with this compact and rugged step-down (buck) converter. Designed for automotive systems, railway signals, instrumentation, LED displays, CATV, and more, this converter handles a wide 20V–90V input range and delivers up to 10A (120W) of reliable power wherever you need it.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Input Voltage Range:\u003c\/strong\u003e Accepts 20V–90V DC input (compatible with 24V, 36V, 48V, 60V, and 72V nominal systems), outputting a steady 12V DC at up to 10A.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Efficiency Synchronous Rectification:\u003c\/strong\u003e Achieves ≥95% conversion efficiency, minimising heat buildup and energy waste. Ripple noise is suppressed below 50mV for a clean, stable output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Startup:\u003c\/strong\u003e Powers up in ≤2 seconds for reliable, uninterrupted operation in demanding environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Layer Protection System:\u003c\/strong\u003e Built-in safeguards include short-circuit protection, overcurrent protection, overvoltage protection, and overtemperature protection for maximum equipment and user safety.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIP68 Waterproof Rating:\u003c\/strong\u003e Rugged aluminium shell with IP68-rated durability handles harsh operating environments, moisture, and dust with ease.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNatural Cooling Design:\u003c\/strong\u003e No fan required — passive aluminium shell dissipates heat quietly and efficiently.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e Measures just 74 × 74 × 32 mm and weighs approximately 280g, making it easy to install in tight spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20V–90V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Input Voltages\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24V \/ 36V \/ 48V \/ 60V \/ 72V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConversion Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≥95%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNo-Load Regulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±1%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoad Regulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±5%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRipple Noise\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;50mV\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStartup Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤2 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-25°C to +80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterproof Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP68\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCasing Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminium alloy (Silver)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCooling Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNatural (passive) cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e74 × 74 × 32 mm (L × W × H)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 280g\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13–14 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEU LVD Classification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLow voltage: Below 50Vac or 75Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomotive and vehicle electrical systems\u003c\/li\u003e\n  \u003cli\u003eRailway signalling equipment\u003c\/li\u003e\n  \u003cli\u003eIndustrial instrumentation and control panels\u003c\/li\u003e\n  \u003cli\u003eLED lighting strips and display systems\u003c\/li\u003e\n  \u003cli\u003eCATV and broadcast equipment\u003c\/li\u003e\n  \u003cli\u003eOff-grid and solar power systems\u003c\/li\u003e\n  \u003cli\u003eMarine and RV DC power networks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × DC-DC Step-Down Power Converter (12V, 10A, 120W)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Actual colour may vary slightly from images due to monitor calibration and lighting. Please allow minor measurement deviations (±2–3mm).\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What input voltage range does this DC-DC step-down converter support?\u003c\/h4\u003e\n\u003cp\u003eA: This converter supports a wide DC input voltage range of 20V to 90V, making it compatible with common nominal voltages including 24V, 36V, 48V, 60V, and 72V DC systems. It is ideal for automotive, industrial, and off-grid applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the output voltage and maximum current of this buck converter?\u003c\/h4\u003e\n\u003cp\u003eA: The output is a fixed 12V DC at up to 10A, for a maximum continuous output power of 120W. This makes it suitable for powering 12V devices from higher-voltage DC sources without battery or inverter complexity.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this step-down converter waterproof? Can it be used outdoors or in harsh environments?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The converter carries an IP68 waterproof rating, meaning it is dust-tight and protected against sustained water immersion. Combined with its aluminium alloy casing and -25°C to +80°C operating temperature range, it is well-suited to outdoor, automotive, marine, and industrial environments.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this converter require a cooling fan?\u003c\/h4\u003e\n\u003cp\u003eA: No. This unit uses a natural (passive) cooling design — the aluminium housing dissipates heat without any fan. This results in silent operation and eliminates the risk of fan-related failures, making it especially reliable in enclosed installations.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What protection features are built into this DC-DC converter?\u003c\/h4\u003e\n\u003cp\u003eA: The converter includes multiple built-in protection functions: short-circuit protection, overcurrent protection, overvoltage protection, and overtemperature protection. These safeguards help protect both the converter and connected equipment from damage under fault conditions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What input voltage range does this DC-DC step-down converter support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This converter supports a wide DC input voltage range of 20V to 90V, making it compatible with common nominal voltages including 24V, 36V, 48V, 60V, and 72V DC systems. It is ideal for automotive, industrial, and off-grid applications.\"}}, {\"@type\": \"Question\", \"name\": \"What is the output voltage and maximum current of this buck converter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The output is a fixed 12V DC at up to 10A, for a maximum continuous output power of 120W. This makes it suitable for powering 12V devices from higher-voltage DC sources without battery or inverter complexity.\"}}, {\"@type\": \"Question\", \"name\": \"Is this step-down converter waterproof? Can it be used outdoors or in harsh environments?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The converter carries an IP68 waterproof rating, meaning it is dust-tight and protected against sustained water immersion. Combined with its aluminium alloy casing and -25°C to +80°C operating temperature range, it is well-suited to outdoor, automotive, marine, and industrial environments.\"}}, {\"@type\": \"Question\", \"name\": \"Does this converter require a cooling fan?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. This unit uses a natural (passive) cooling design — the aluminium housing dissipates heat without any fan. This results in silent operation and eliminates the risk of fan-related failures, making it especially reliable in enclosed installations.\"}}, {\"@type\": \"Question\", \"name\": \"What protection features are built into this DC-DC converter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The converter includes multiple built-in protection functions: short-circuit protection, overcurrent protection, overvoltage protection, and overtemperature protection. These safeguards help protect both the converter and connected equipment from damage under fault conditions.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"DC-DC Step-Down Converter 12V 10A 120W | 20–90V Wide Input\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/dc-dc-step-down-converter-12v-10a-120w-20-90v-wide-input\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"China Mainland","offer_id":44140052971607,"sku":"200007763:201336100","price":68.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/Sc1dd0e459c0449d2a9a20da879138115V_07b98082-c4ba-40c7-b536-0615cdcf8129.webp?v=1786487370","url":"https:\/\/axlcustomersupport.com\/products\/dc-dc-step-down-converter-12v-10a-120w-20-90v-wide-input","provider":"Axl","version":"1.0","type":"link"}