{"product_id":"kuaiqu-spps-kr-4kd-series-30v-60v-4-channel-programmable-dc-power-supply","title":"KUAIQU SPPS-KR-4KD Series 30V 60V 4-Channel Programmable DC Power Supply for Scientific Research and Electronics R\u0026D","description":"\u003ch2 data-pm-slice=\"1 1 []\"\u003eKUAIQU SPPS-KR-4KD Series 30V 60V 4-Channel Programmable DC Power Supply for Scientific Research and Electronics R\u0026amp;D\u003c\/h2\u003e\n\u003ch2\u003e\u003cspan\u003eDescription\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eThe KUAIQU SPPS-KR-4KD Series 4-channel programmable DC power supply is designed for scientific research laboratories, electronics research and development, and engineering test environments. Integrating four independent DC power supplies into a compact 4U chassis, it provides flexible multi-channel power for circuit development, prototype evaluation, electronic module testing, and experimental system verification.\u003c\/p\u003e\n\u003cp\u003eEach output channel supports independent voltage and current adjustment from 0 to its rated maximum, enabling engineers and researchers to power multiple circuits, electronic modules, and system components simultaneously. Available output configurations include 30V 5A, 30V 10A, and 60V 5A, offering flexible options for different research platforms and R\u0026amp;D projects. The rated specifications of the four channels can be configured to match specific testing requirements.\u003c\/p\u003e\n\u003cp\u003eDesigned for precision laboratory work, this high-precision multi-channel DC power supply features high-resolution adjustment, low-ripple output, and independent overvoltage protection (OVP) and overcurrent protection (OCP) for each channel. The high-definition LCD displays voltage and current readings across all four outputs simultaneously, allowing researchers to monitor multiple power rails during circuit debugging and performance evaluation.\u003c\/p\u003e\n\u003cp\u003eFor more advanced research workflows, optional USB, RS232, and RS485 communication interfaces enable host-computer control of individual output channels. Independent output switches, voltage and current curve display, four sets of stored settings per channel, and intelligent temperature-controlled cooling make the SPPS-K*R-4KD a practical laboratory DC power supply for scientific research, electronic engineering, and product development.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003e1. Four Independent Adjustable DC Output Channels\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eCombines four independent power supply channels in one instrument. Each channel provides separate voltage and current adjustment, making this four-channel DC power supply suitable for multi-circuit experiments, electronic system development, and simultaneous testing of multiple modules.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e2. Flexible Multi-Output Configuration\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSupports available output configurations of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e30V 5A, 30V 10A, and 60V 5A\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The rated specifications can be flexibly matched across the four channels, helping R\u0026amp;D teams configure power for different circuits and experimental setups.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e3. Simultaneous Voltage and Current Monitoring\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe high-definition LCD displays voltage and current values for all four channels at the same time. This multi-channel monitoring capability helps researchers observe power conditions across multiple circuits during prototype testing, circuit debugging, and system verification.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e4. High-Resolution, High-Precision, Low-Ripple Output\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for precision electronic experiments and development tasks, the power supply combines high-resolution adjustment, high output precision, and low ripple to support stable power delivery for sensitive circuits and electronic modules.\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 individual overvoltage protection (OVP) and overcurrent protection (OCP), helping reduce the risk of damage to connected prototypes, components, and experimental circuits caused by abnormal output conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e6. Individual Output ON\/OFF Control\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eEach channel has a dedicated output switch, allowing engineers to activate or deactivate individual power rails during circuit development, troubleshooting, and experimental testing without unnecessarily interrupting other channels.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e7. Voltage and Current Curve Display\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eEach channel supports voltage and current curve display, providing additional visibility into output behavior during experimental evaluation, circuit analysis, and electronic system development.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e8. Optional Remote Control and Communication\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOptional USB, RS232, and RS485 interfaces support host-computer control of individual output channels. This enables convenient remote operation and integration into computer-assisted research workflows and automated test setups.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e9. Four Preset Storage Groups per Channel\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eEach output channel can store four sets of operating settings for quick recall. Researchers can switch between frequently used power configurations more efficiently and improve consistency when repeating experiments.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e10. Integrated 4U Rack-Mount Design\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe four-channel configuration combines multiple independent DC outputs in one compact 4U chassis, helping save laboratory bench space and simplify power management for research workstations and compatible rack installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e11. Intelligent Temperature-Controlled Cooling\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe temperature-controlled fan adjusts cooling according to operating conditions, helping manage heat while reducing unnecessary fan noise during laboratory and R\u0026amp;D use.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eScientific Research Laboratories:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Provide independent DC power for experimental circuits, research prototypes, and multi-channel electronic test setups.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eElectronics Research and Development:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Support circuit design, prototype development, electronic module evaluation, and engineering verification.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eElectronic Engineering R\u0026amp;D:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Power multiple circuit sections and electronic subsystems during design validation and performance testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEmbedded System Development:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Supply power to controller boards, communication modules, sensor circuits, and related electronic assemblies.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrecision Circuit Testing:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Support power delivery and monitoring for low-voltage electronic circuits, circuit debugging, and functional evaluation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrototype Testing and Verification:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Provide configurable multi-channel power for engineering samples, early-stage products, and new electronic designs.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAutomated Test System Integration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Use optional communication interfaces for computer-controlled power adjustment and repeatable testing procedures.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eResearch Instrument Development:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Supply multiple independent DC rails for laboratory equipment, experimental platforms, and custom electronic systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose the KUAIQU SPPS-KR-4KD?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe SPPS-KR-4KD Series combines four independent adjustable outputs, simultaneous channel monitoring, individual protection, and optional remote communication in one integrated laboratory instrument. It helps research teams manage multiple power rails without needing to operate several separate bench power supplies.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor scientific research institutions, electronics R\u0026amp;D departments, and engineering laboratories, this 4-channel programmable laboratory power supply offers flexible output configuration, convenient parameter recall, and practical support for circuit development, prototype verification, and multi-channel experimental testing.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eUnit\u003c\/th\u003e\n\u003cth\u003eSPPS-KR305-4KD\u003c\/th\u003e\n\u003cth\u003eSPPS-KR3010-4KD\u003c\/th\u003e\n\u003cth\u003eSPPS-KR605-4KD\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 Value (0°C~40°C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e30V\u003c\/td\u003e\n\u003ctd\u003e60V\u003c\/td\u003e\n\u003ctd\u003e120V\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\u003e5A\u003c\/td\u003e\n\u003ctd\u003e3A\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\u003ctd\u003e360W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eUSB Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e5V 2A\u003c\/td\u003e\n\u003ctd\u003e5V 2A\u003c\/td\u003e\n\u003ctd\u003e5V 2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eLoad Regulation\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\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%+2.5mA\u003c\/td\u003e\n\u003ctd\u003e≤0.1%+2.5mA\u003c\/td\u003e\n\u003ctd\u003e≤0.1%+2.5mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eLine Regulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤0.01%+2.5mV\u003c\/td\u003e\n\u003ctd\u003e≤0.01%+2.5mV\u003c\/td\u003e\n\u003ctd\u003e≤0.01%+2.5mV\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%+2.5mA\u003c\/td\u003e\n\u003ctd\u003e≤0.1%+2.5mA\u003c\/td\u003e\n\u003ctd\u003e≤0.1%+2.5mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eSetting 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\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\u003ctd\u003e1mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eReadback 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\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\u003ctd\u003e1mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eSetting Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤0.05%+10mV\u003c\/td\u003e\n\u003ctd\u003e≤0.05%+10mV\u003c\/td\u003e\n\u003ctd\u003e≤0.01%+15mV\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%+10mA\u003c\/td\u003e\n\u003ctd\u003e≤0.01%+10mA\u003c\/td\u003e\n\u003ctd\u003e≤0.01%+10mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eReadback Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤0.05%+10mV\u003c\/td\u003e\n\u003ctd\u003e≤0.05%+10mV\u003c\/td\u003e\n\u003ctd\u003e≤0.01%+15mV\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%+10mA\u003c\/td\u003e\n\u003ctd\u003e≤0.01%+10mA\u003c\/td\u003e\n\u003ctd\u003e≤0.01%+10mA\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≤150mVp-p \/ ≤10mVrms\u003c\/td\u003e\n\u003ctd\u003e≤180mVp-p \/ ≤15mVrms\u003c\/td\u003e\n\u003ctd\u003e≤200mVp-p \/ ≤25mVrms\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≤10mArms\u003c\/td\u003e\n\u003ctd\u003e≤15mArms\u003c\/td\u003e\n\u003ctd\u003e≤20mArms\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\u003eTime\u003c\/td\u003e\n\u003ctd\u003e≤200mS\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\u003eTime\u003c\/td\u003e\n\u003ctd\u003e≤300mS\u003c\/td\u003e\n\u003ctd\u003e≤300mS\u003c\/td\u003e\n\u003ctd\u003e≤300mS\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\u003eTime\u003c\/td\u003e\n\u003ctd\u003e≤15S\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\u003eTime\u003c\/td\u003e\n\u003ctd\u003e≤300mS\u003c\/td\u003e\n\u003ctd\u003e≤300mS\u003c\/td\u003e\n\u003ctd\u003e≤300mS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eDynamic Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTime\u003c\/td\u003e\n\u003ctd\u003e≤200mS\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\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e≥85%\u003c\/td\u003e\n\u003ctd\u003e≥85%\u003c\/td\u003e\n\u003ctd\u003e≥85%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong class=\"container-nB6Z1e\"\u003eInput Voltage\/Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e110V\/8A · 220V\/5A\u003c\/td\u003e\n\u003ctd\u003e110V\/8A · 220V\/5A\u003c\/td\u003e\n\u003ctd\u003e110V\/8A · 220V\/5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Shenzhen Kuaiqu Electronic Co., Ltd","offers":[{"title":"AC220V(±10%) \/ SPPS-K305R-4KD","offer_id":48053766455473,"sku":null,"price":649.0,"currency_code":"USD","in_stock":true},{"title":"AC220V(±10%) \/ SPPS-K3010R-4KD","offer_id":48053766488241,"sku":null,"price":749.99,"currency_code":"USD","in_stock":true},{"title":"AC220V(±10%) \/ 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