{"product_id":"adjustable-dc-bench-power-supply-30v-5a-variable-voltage-regulator-1","title":"Adjustable DC Bench Power Supply 30V 5A Variable Voltage Regulator","description":"\n\u003ch2\u003eAdjustable DC Bench Power Supply — 30V \/ 5A Variable Voltage \u0026amp; Current Regulator\u003c\/h2\u003e\n\u003cp\u003eTake full control of your electronics projects with this professional-grade \u003cstrong\u003eadjustable DC bench power supply\u003c\/strong\u003e. Delivering a continuously variable output of \u003cstrong\u003e0–30V \/ 0–5A\u003c\/strong\u003e, it's the go-to workbench tool for hobbyists, engineers, and DIY electronics enthusiasts who demand stable, accurate, and safe power delivery every time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Bench Power Supply?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt to Last:\u003c\/strong\u003e Constructed from high-quality ABS with a scratch-resistant, rust-resistant spray-painted finish that keeps the unit looking great and performing reliably through years of use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Safety Features:\u003c\/strong\u003e Short-circuit protection, over-temperature protection, overload protection, overvoltage protection, a built-in fuse, and anti-reverse connection all work together to safeguard your devices and your supply at all times.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Accuracy Readings:\u003c\/strong\u003e A bright 3-digit LED display provides voltage precision of ±1% + 1 digit and current precision of ±1% + 2 digits — so you always know exactly what's going to your circuit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual C.C. \/ C.V. Auto-Switching:\u003c\/strong\u003e Seamlessly switches between Constant Current (C.C.) and Constant Voltage (C.V.) modes automatically as load conditions change, ensuring consistent, uninterrupted output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnergy Efficient:\u003c\/strong\u003e Achieves an impressive efficiency ratio of over 85%, reducing wasted energy and keeping operating costs low.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntelligent Cooling Fan:\u003c\/strong\u003e The built-in fan activates automatically when internal temperatures rise, maintaining optimal operating conditions and extending the lifespan of the unit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eAC 100–240V \/ 50–60Hz (US Plug: AC 110V)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e0–30V (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e0–5A (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eVoltage Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e0.1V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCurrent Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e0.01A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eRipple Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eVpp ≤1%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eRipple Noise\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e≤1mV\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eEfficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u0026gt;85%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDigital Display\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e3-digit LED\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOperating Environment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e-10°C to 45°C (14°F–113°F), RH ≤90%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eStorage Environment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e-20°C to 60°C (-4°F–140°F), RH ≤80%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eABS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePower Cord Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e1.2m \/ 3.94 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutput Line Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e1.0m \/ 3.28 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePlug Type (This Listing)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eUS Plug (compatible with USA, Canada, Mexico, India, Philippines, Thailand, Taiwan)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eNoise Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e60 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 30V \/ 5A Adjustable DC Bench Power Supply (US Plug)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Product appearance and printed labels may vary slightly by production batch but do not affect performance. Color may differ slightly from images due to monitor settings and lighting. Measurement tolerance is ±1–3cm.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eComplete Your Workshop\u003c\/h3\u003e\n\u003cp\u003ePair this bench supply with other handy workshop and organization tools:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-wooden-handle-nylon-bristle-paint-brush-for-oil-painting-dusting-and-cleaning-unrechargeable-hand-tool-set-without-batt-2\"\u003e10Pcs Wooden Handle Nylon Bristle Paint Brush Set — Dusting \u0026amp; Cleaning Tools\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-precision-japanese-double-edged-hand-saw-sk5-steel-fine-toothed-for-carpentry-and-gardening-6-inch-blade-portable-mini-1\"\u003e1pc Precision Japanese Double-Edged Hand Saw — SK5 Steel, Fine-Toothed\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-piece-storage-tray-360-degree-refrigerator-storage-rotating-tray-used-for-kitchen-spice-jars-and-sundry-storage-turntable-1\"\u003e360-Degree Rotating Storage Tray for Sundry \u0026amp; Workspace Organization\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the output voltage and current range of this adjustable bench power supply?\u003c\/h4\u003e\n\u003cp\u003eA: This DC bench power supply offers a fully adjustable output voltage of 0–30V and output current of 0–5A. Both can be set precisely using the front-panel controls, with a voltage resolution of 0.1V and current resolution of 0.01A, making it ideal for a wide range of electronics testing and DIY projects.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this power supply work in the United States, and what plug type is included?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This listing ships with a US Plug (standard two\/three-prong) compatible with AC 110V mains power used in the United States, Canada, Mexico, India, the Philippines, Thailand, and Taiwan. Simply plug it in and it is ready to use.\u003c\/p\u003e\n\u003ch4\u003eQ: What safety protections does this bench power supply include?\u003c\/h4\u003e\n\u003cp\u003eA: The unit is equipped with multiple safety mechanisms including short-circuit protection, over-temperature protection, overload protection, overvoltage protection, a built-in fuse, and an anti-reverse connection feature — all designed to protect both the supply itself and the devices connected to it.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this power supply operate in both constant voltage and constant current modes?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. It automatically switches between Constant Voltage (C.V.) and Constant Current (C.C.) modes depending on the load. This makes it highly versatile for charging batteries, testing circuits, and powering components that may require current-limited operation.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the output voltage and current range of this adjustable bench power supply?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This DC bench power supply offers a fully adjustable output voltage of 0–30V and output current of 0–5A. 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