{"product_id":"75w-triple-isolated-dc-step-down-power-supply-module","title":"75W Triple Output Isolated DC Step-Down Power Supply Module","description":"\n\u003ch2\u003e75W Triple Isolated DC Step-Down Power Supply Board\u003c\/h2\u003e\n\u003cp\u003ePower multiple devices simultaneously with this high-efficiency \u003cstrong\u003e75W Triple Output Isolated DC Step-Down Power Supply Module\u003c\/strong\u003e. Designed for engineers, hobbyists, and electronics professionals, this compact board accepts a wide AC input range (85–265V AC \/ 100–300V DC) and delivers three independently isolated DC output rails. Choose from three model configurations to suit your exact project needs: \u003cstrong\u003e5V\/12V\/12V\u003c\/strong\u003e, \u003cstrong\u003e5V\/12V\/15V\u003c\/strong\u003e, or \u003cstrong\u003e5V\/12V\/24V\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Power Supply Module?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTriple Isolated Outputs\u003c\/strong\u003e — Three fully isolated DC rails eliminate ground-loop interference between connected circuits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Universal Input\u003c\/strong\u003e — Operates from AC 85–265V or DC 100–300V, making it compatible worldwide.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Protection\u003c\/strong\u003e — Short-circuit (hiccup mode, auto-recovery), overvoltage (\u0026gt;50% rated), and overload (110–170% rated power) protections safeguard your equipment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Efficiency\u003c\/strong\u003e — Up to 86% conversion efficiency reduces heat generation and energy waste.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor\u003c\/strong\u003e — Measuring just 100 × 70 × 30 mm, it fits easily into enclosures and panels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Standby Consumption\u003c\/strong\u003e — Standby power draw of ≤150mW at 230VAC keeps idle losses minimal.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable Regulated Outputs\u003c\/strong\u003e — Output accuracy of ±1% on the 5V and 12V rails ensures reliable performance for sensitive electronics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eModel Configurations at a Glance\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\" border=\"1\" cellpadding=\"6\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background:#f4f4f4;\"\u003e\n      \u003cth\u003eModel\u003c\/th\u003e\n      \u003cth\u003eOutput Voltages\u003c\/th\u003e\n      \u003cth\u003eRated Currents\u003c\/th\u003e\n      \u003cth\u003eRated Power\u003c\/th\u003e\n      \u003cth\u003eEfficiency\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRH-88W 5V\/12V\/12V\u003c\/td\u003e\n      \u003ctd\u003e+5V, +12V, +12V\u003c\/td\u003e\n      \u003ctd\u003e3A, 2.5A, 2.5A\u003c\/td\u003e\n      \u003ctd\u003e75W\u003c\/td\u003e\n      \u003ctd\u003e82%\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRH-88W 5V\/12V\/15V\u003c\/td\u003e\n      \u003ctd\u003e+5V, +12V, +15V\u003c\/td\u003e\n      \u003ctd\u003e3A, 2.5A, 2A\u003c\/td\u003e\n      \u003ctd\u003e75W\u003c\/td\u003e\n      \u003ctd\u003e83%\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRH-88W 5V\/12V\/24V\u003c\/td\u003e\n      \u003ctd\u003e+5V, +12V, +24V\u003c\/td\u003e\n      \u003ctd\u003e3A, 2A, 1.5A\u003c\/td\u003e\n      \u003ctd\u003e75W\u003c\/td\u003e\n      \u003ctd\u003e86%\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFull Technical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAC Input:\u003c\/strong\u003e 85–265V AC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDC Input:\u003c\/strong\u003e 100–300V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency Range:\u003c\/strong\u003e 47–63 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInrush Current:\u003c\/strong\u003e 10A @ 220VAC (cold start)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLeakage Current:\u003c\/strong\u003e \u0026lt;2mA \/ 220VAC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandby Power Consumption:\u003c\/strong\u003e ≤150mW @ 230VAC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Ripple:\u003c\/strong\u003e 150mV\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower On\/Off Overshoot:\u003c\/strong\u003e 10%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStart-up \/ Rise \/ Hold-up Time:\u003c\/strong\u003e 2000ms \/ 30ms @ 115VAC; 1000ms \/ 30ms @ 230VAC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShort-Circuit Protection:\u003c\/strong\u003e Hiccup mode, auto-recovery after fault removal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOvervoltage Protection:\u003c\/strong\u003e \u0026gt;50% rated voltage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverload Protection:\u003c\/strong\u003e 110%–170% of rated output power\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature \u0026amp; Humidity:\u003c\/strong\u003e -20°C to +70°C, 20%–90% RH (non-condensing)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage Temperature \u0026amp; Humidity:\u003c\/strong\u003e -40°C to +85°C, 10%–95% RH\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (L × W × H):\u003c\/strong\u003e 100 × 70 × 30 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Power Supply Module (your chosen model)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Due to screen and lighting variations, the product color may differ slightly from images. Please allow ±1mm–1cm measurement tolerances.\u003c\/p\u003e\n\n\u003cp\u003eFor guidelines on electrical safety standards for power supplies and electronic components, visit the U.S. Consumer Product Safety Commission – Electrical Safety.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Can this 75W triple output power supply module be used worldwide?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The module accepts a wide AC input range of 85–265V AC (and DC 100–300V), making it compatible with electrical systems in the US, Europe, Asia, and most countries globally. Always ensure your wiring and connectors meet local electrical code requirements.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the difference between the three model configurations (5V\/12V\/12V, 5V\/12V\/15V, 5V\/12V\/24V)?\u003c\/h4\u003e\n\u003cp\u003eA: Each model provides a different combination of three isolated DC output rails to suit various project requirements. The 5V\/12V\/12V model (82% efficiency) is ideal when two 12V loads are needed. The 5V\/12V\/15V model (83% efficiency) suits applications requiring a 15V rail alongside 5V and 12V. The 5V\/12V\/24V model (86% efficiency, highest) is best when a higher 24V output is required, such as for motors or industrial sensors.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are the three DC output rails electrically isolated from each other?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. All three output rails are fully isolated from one another and from the AC input, which prevents ground loops and cross-interference — a critical feature when powering mixed or sensitive circuits from a single power source.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What protections does this power supply module include?\u003c\/h4\u003e\n\u003cp\u003eA: The module features short-circuit protection (hiccup mode with automatic recovery after fault removal), overvoltage protection (triggers at \u0026gt;50% of rated voltage), and overload protection (activates at 110%–170% of rated output power). These safeguards help protect both the module and your connected devices.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What output accuracy can I expect from this DC step-down power module?\u003c\/h4\u003e\n\u003cp\u003eA: The 5V and 12V rails deliver ±1% output accuracy with ±1% line and load regulation, making them suitable for precision electronics. The secondary output (15V or 24V depending on model) maintains ±4% accuracy with ±4% load regulation, adequate for most general-purpose applications.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Can this 75W triple output power supply module be used worldwide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The module accepts a wide AC input range of 85–265V AC (and DC 100–300V), making it compatible with electrical systems in the US, Europe, Asia, and most countries globally. 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