{"product_id":"kuaiqu-kq-4kd-30v-4-channel-programmable-dc-power-supply-multi-output-educational-laboratory-power-supply-for-university-research","title":"KUAIQU KQ-4KD 30V 4-Channel Programmable DC Power Supply, Multi-Output Educational Laboratory Power Supply for University Research","description":"\u003cdiv style=\"margin: 20px 0; padding: 15px; border-left: 4px solid #2c3e50; background-color: #f8f9fa; border-radius: 4px;\"\u003e\n\u003ch2 style=\"margin: 0 0 10px 0; font-size: 20px; color: #2c3e50;\"\u003e\u003ca style=\"color: #2980b9; text-decoration: underline; font-weight: bold; display: inline-flex; align-items: center;\" rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0705\/8027\/3329\/files\/KQ-4KD_-_-1-18_1__compressed.pdf?v=1784775116\" target=\"_blank\"\u003e \u003csvg style=\"margin-right: 8px;\" viewbox=\"0 0 16 16\" fill=\"currentColor\" height=\"20\" width=\"20\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\n        \u003cpath d=\"M.5 9.9a.5.5 0 0 1 .5.5v2.5a1 1 0 0 0 1 1h12a1 1 0 0 0 1-1v-2.5a.5.5 0 0 1 1 0v2.5a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2v-2.5a.5.5 0 0 1 .5-.5z\"\u003e\u003c\/path\u003e\n        \u003cpath d=\"M7.646 11.854a.5.5 0 0 0 .708 0l3-3a.5.5 0 0 0-.708-.708L8.5 10.293V1.5a.5.5 0 0 0-1 0v8.793L5.354 8.146a.5.5 0 1 0-.708.708l3 3z\"\u003e\u003c\/path\u003e\n      \u003c\/svg\u003e Download English Manual (PDF) \u003c\/a\u003e\u003c\/h2\u003e\n\u003cp style=\"margin: 0; color: #666; font-size: 14px;\"\u003eClick the link above to get the full user guide for this product.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eKUAIQU KQ-4KD 30V 4-Channel Programmable DC Power Supply, Multi-Output Educational Laboratory Power Supply for University Research\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cspan\u003eDescription\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe KUAIQU KQ-4KD Series 30V 4-channel programmable DC power supply is designed for university electronics laboratories, educational research, and electrical engineering experiments. Available in 5A and 10A models, this multi-channel DC power supply features four independent output channels for powering and monitoring multiple electronic circuits and experimental modules. With programmable control, real-time voltage, current, and power monitoring, individual channel protection, and preset parameter storage, this four-channel bench power supply provides a versatile solution for electronics education, circuit development, academic research, and laboratory testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003e1. Four-Channel DC Power Supply for Educational Laboratories\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWith four independent output channels, the KQ-4KD Series allows students, educators, and researchers to power multiple electronic circuits from one instrument. This 4-channel laboratory power supply simplifies experimental setups and supports multi-circuit projects, electronics demonstrations, and practical engineering coursework.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e2. 30V Programmable DC Power Supply in 5A and 10A Models\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe series offers 30V output options in 5A and 10A configurations to accommodate different laboratory power requirements. Whether used for low-power circuit experiments or electronic modules requiring greater current, this adjustable multi-channel DC power supply provides flexible power options for educational and research applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e3. Real-Time Voltage, Current, and Power Monitoring\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe display provides voltage, current, and power readings for the output channels, helping users observe electrical parameters during experiments. This four-output DC power supply supports circuit analysis, experimental comparisons, electronic module evaluation, and hardware debugging in university laboratories.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e4. Programmable Control for Research and Testing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUSB, RS232, and RS485 communication support enables integration with compatible computer-controlled laboratory setups. This programmable multi-channel power supply is suitable for repeatable experiments, research procedures, and electronic test systems that require remote power control.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e5. Independent OVP and OCP Protection\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eEach output channel features over-voltage protection (OVP) and over-current protection (OCP). These protection functions help safeguard connected circuits against abnormal voltage and current conditions, supporting more controlled operation in educational laboratories and research environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e6. Convenient Preset Parameter Storage\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eEach channel supports three groups of stored parameter settings, allowing users to recall frequently used voltage and current values. This function is useful for recurring laboratory experiments, teaching demonstrations, and research workflows that require consistent power settings.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e7. Independent Output ON\/OFF Control\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIndividual channel output switches allow users to activate or deactivate specific outputs as needed. This is convenient when changing circuit configurations, testing separate electronic modules, or conducting experiments that involve multiple independently powered circuits.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e8. Temperature-Controlled Cooling\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe intelligent cooling fan adjusts its operation according to internal temperature, helping manage heat while reducing unnecessary fan noise at lower cooling demand. This design is suitable for shared electronics laboratories, engineering classrooms, and research workstations.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e9. USB-A and USB-C Auxiliary Power\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eIntegrated USB-A and USB-C ports provide convenient power for compatible USB devices and accessories. These additional connections can be useful when working with development boards and USB-powered equipment alongside the main DC outputs.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e10. Fine Adjustment for Circuit Experiments\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eWith 10mV voltage setting resolution and 1mA current setting resolution, the KQ-4KD Series supports fine output adjustments for laboratory experiments and electronic circuit development. It is suitable for circuit analysis, prototype debugging, and research projects that require controlled DC power.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eUniversity Electronics Laboratories:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Four-channel power supply for circuit experiments, electronics demonstrations, and engineering coursework.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEducational Research:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Multi-channel programmable DC power supply for academic experiments and university research projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eElectrical Engineering Education:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Multi-output bench power supply for voltage and current experiments, circuit analysis, and practical electronics training.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eElectronic Circuit Development:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Programmable power supply for circuit prototyping, module evaluation, and hardware debugging.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLaboratory Testing:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Four-channel DC power supply for multi-circuit testing, experimental comparisons, and electrical parameter monitoring.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAutomated Research Systems:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Computer-controlled multi-channel power supply for compatible test platforms and repeatable experimental procedures.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eStudent Engineering Projects:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Four-output power supply for graduation projects, prototype development, and electronic engineering assignments.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003ePackage Includes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDC Power Supply × 1\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOutput Cable × 1\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInput Power Cable × 1\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUser Manual × 1\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWarranty Card × 1\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eKQ305-4KD\u003c\/th\u003e\n\u003cth\u003eKQ3010-4KD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eRated Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e30V\u003c\/td\u003e\n\u003ctd\u003e30V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e5A\u003c\/td\u003e\n\u003ctd\u003e10A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e150W\u003c\/td\u003e\n\u003ctd\u003e300W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eLoad regulation rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤0.3%+20mV\u003c\/td\u003e\n\u003ctd\u003e≤0.5%+30mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e≤0.1%+15mA\u003c\/td\u003e\n\u003ctd\u003e≤0.1%+15mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003ePower regulation rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤0.1%+20mV\u003c\/td\u003e\n\u003ctd\u003e≤0.1%+20mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e≤0.1%+10mA\u003c\/td\u003e\n\u003ctd\u003e≤0.1%+10mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eSet value resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e10mV\u003c\/td\u003e\n\u003ctd\u003e10mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e1mA\u003c\/td\u003e\n\u003ctd\u003e1mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eRead back value resolution (Display resolution)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e10mV\u003c\/td\u003e\n\u003ctd\u003e10mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e1mA\u003c\/td\u003e\n\u003ctd\u003e1mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eSet value accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤0.3%+10mV\u003c\/td\u003e\n\u003ctd\u003e≤0.3%+10mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e≤0.01%+15mA\u003c\/td\u003e\n\u003ctd\u003e≤0.01%+15mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eRead back value accuracy (Display accuracy)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤0.3%+10mV\u003c\/td\u003e\n\u003ctd\u003e≤0.3%+10mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e≤0.1%+15mA\u003c\/td\u003e\n\u003ctd\u003e≤0.1%+15mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eRipple (20Hz～20MHz)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤60mV(p-p)\u003c\/td\u003e\n\u003ctd\u003e≤80mV(p-p)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e≤20mA(rms)\u003c\/td\u003e\n\u003ctd\u003e≤25mA(rms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage(rms)\u003c\/td\u003e\n\u003ctd\u003e≤20mV(rms)\u003c\/td\u003e\n\u003ctd\u003e≤25mV(rms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eRise time (No load)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤200ms\u003c\/td\u003e\n\u003ctd\u003e≤200ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eRise time (Full load)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤500ms\u003c\/td\u003e\n\u003ctd\u003e≤500ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eFall time (No load)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤20s\u003c\/td\u003e\n\u003ctd\u003e≤20s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eFall time (Full load)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤200ms\u003c\/td\u003e\n\u003ctd\u003e≤200ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eEfficiency (Full power)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e≥83%\u003c\/td\u003e\n\u003ctd\u003e≥83%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVac\u003c\/td\u003e\n\u003ctd\u003e200Vac~240Vac 50Hz (100Vac~120Vac 60Hz)\u003c\/td\u003e\n\u003ctd\u003e200Vac~240Vac 50Hz (100Vac~120Vac 60Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eProduct Dimension\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e292.9mm×280.9mm×184.2 mm\u003c\/td\u003e\n\u003ctd\u003e292.9mm×280.9mm×184.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Shenzhen Kuaiqu Electronic Co., Ltd","offers":[{"title":"AC220V(±10%) \/ KQ305R-4KD","offer_id":48046280900785,"sku":"KQ305R-4KD-220V-1016","price":649.0,"currency_code":"USD","in_stock":true},{"title":"AC220V(±10%) \/ KQ3010R-4KD","offer_id":48046280933553,"sku":"KQ3010R-4KD-220V-1016","price":699.0,"currency_code":"USD","in_stock":true},{"title":"AC110V(±10%) \/ KQ305R-4KD","offer_id":48046280966321,"sku":"KQ305R-4KD-110V-1016","price":649.0,"currency_code":"USD","in_stock":true},{"title":"AC110V(±10%) \/ KQ3010R-4KD","offer_id":48046280999089,"sku":"KQ3010R-4KD-110V-1016","price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/8027\/3329\/files\/KUAIQU_1_03dec37e-82f4-4382-906b-0b1e52d55237.png?v=1792133410","url":"https:\/\/www.kuaiquinstrument.com\/products\/kuaiqu-kq-4kd-30v-4-channel-programmable-dc-power-supply-multi-output-educational-laboratory-power-supply-for-university-research","provider":"KUAIQU Instrument Store","version":"1.0","type":"link"}