{"product_id":"kuaiqu-sps1203s-120v-3a-360w-precision-dc-bench-supply-with-ocp-protection-for-power-electronics-testing","title":"KUAIQU SPS1203S 120V 3A 360W Precision DC Bench Supply with OCP Protection for Power Electronics Testing","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\/OVP.pdf?v=1788508343\u0026gt;%20\u0026lt;svg%20style=\" viewbox=\"0 0 16 16\" fill=\"currentColor\" height=\"20\" width=\"20\" xmlns=\"http:\/\/www.w3.org\/2000\/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\u003cp style=\"margin: 0; color: #666; font-size: 14px;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0705\/8027\/3329\/files\/12.png?v=1776150334\" alt=\"\"\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch1\u003eKUAIQU SPS1203S 120V 3A 360W\u003c\/h1\u003e\n\u003ch1\u003ePrecision DC Bench Supply with OCP\u003c\/h1\u003e\n\u003ch1\u003eProtection for Power Electronics Testing\u003c\/h1\u003e\n\u003cp\u003eThe KUAIQU SPS1203S is a 120V 3A 360W Precision DC Bench Supply designed for Power Electronics Testing and compatible electronic circuit applications. With an adjustable 0–120V output range, the power supply allows users to establish different DC voltage conditions when testing power electronic circuits, converter stages, control boards, and other compatible devices within the rated output range.\u003c\/p\u003e\n\u003cp\u003eFor bench testing and circuit evaluation, the SPS1203S combines adjustable voltage and current control with real-time electrical monitoring. The encoder knob allows users to configure output parameters, while the HD 4-Digit Display provides clear readings of voltage, current, and power during operation. OCP and OVP provide output protection functions, and the Independent Output Button allows test parameters to be prepared before DC output is enabled.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003ch3\u003e0–120V Adjustable Output for Power Electronics Testing\u003c\/h3\u003e\n\u003cp\u003eThe SPS1203S provides an adjustable DC output from 0 to 120V, giving users a wide voltage range for Power Electronics Testing. Different voltage conditions can be established when evaluating compatible power circuits, electronic modules, and conversion stages operating within the product's rated specifications.\u003c\/p\u003e\n\u003cp\u003eThe wide output range also allows a single DC Bench Supply to cover multiple test voltage requirements without changing the main power source during different stages of bench evaluation.\u003c\/p\u003e\n\u003ch3\u003eUp to 3A Current and 360W Output Power\u003c\/h3\u003e\n\u003cp\u003eWith an output current range of 0–3A and a maximum power rating of 360W, the SPS1203S provides adjustable DC power for compatible electronic testing applications.\u003c\/p\u003e\n\u003cp\u003eUsers can set appropriate voltage and current conditions according to the requirements of the circuit or device under test, provided that operation remains within the rated voltage, current, and power limits of the power supply.\u003c\/p\u003e\n\u003ch3\u003eEncoder Control for Flexible Parameter Adjustment\u003c\/h3\u003e\n\u003cp\u003eThe SPS1203S uses an encoder knob for output parameter adjustment, allowing users to configure voltage and current settings during bench testing.\u003c\/p\u003e\n\u003cp\u003eThe knob provides an operation prompt sound and supports a mute setting. This allows users to adjust output parameters according to their preferred operating environment while setting up different Power Electronics Testing conditions.\u003c\/p\u003e\n\u003ch3\u003eDetailed Voltage and Current Setting Resolution\u003c\/h3\u003e\n\u003cp\u003eThe SPS1203S provides different voltage setting resolutions across its output range:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eBelow 100V: 10mV voltage setting resolution\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAt 100V and above: 0.1V voltage setting resolution\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCurrent setting resolution: 1mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese settings allow users to configure voltage and current values within the specified resolution of the SPS1203S when establishing test conditions for compatible power electronic circuits.\u003c\/p\u003e\n\u003ch3\u003eHD 4-Digit Display for Real-Time Output Monitoring\u003c\/h3\u003e\n\u003cp\u003eDuring Power Electronics Testing, monitoring the supplied electrical conditions is important when adjusting test parameters. The HD 4-Digit Display provides real-time readings of voltage, current, and power.\u003c\/p\u003e\n\u003cp\u003eUsers can observe output parameter changes while configuring different voltage and current conditions for compatible electronic circuits and devices.\u003c\/p\u003e\n\u003ch3\u003eIndependent Output Button for Controlled Test Setup\u003c\/h3\u003e\n\u003cp\u003eThe Independent Output Button allows users to configure voltage and current parameters before enabling the DC output.\u003c\/p\u003e\n\u003cp\u003eFor example, users can prepare the required test settings while the output remains disabled, connect the compatible circuit or device, and then enable the output when the test configuration is ready.\u003c\/p\u003e\n\u003ch3\u003eOCP Protection for Current Control During Testing\u003c\/h3\u003e\n\u003cp\u003eThe SPS1203S includes Over-Current Protection (OCP), which provides protection when excessive current conditions occur during operation.\u003c\/p\u003e\n\u003cp\u003eThis function can provide additional protection when testing compatible power electronic circuits with changing current requirements within the operating conditions of the power supply.\u003c\/p\u003e\n\u003ch3\u003eOVP Protection for Output Voltage Conditions\u003c\/h3\u003e\n\u003cp\u003eThe SPS1203S also includes Over-Voltage Protection (OVP), providing an additional protection function related to abnormal voltage conditions during operation.\u003c\/p\u003e\n\u003cp\u003eTogether with adjustable voltage control, OVP provides additional protection support during compatible Power Electronics Testing applications.\u003c\/p\u003e\n\u003ch3\u003eUSB-A and USB-C Fast Charging Outputs\u003c\/h3\u003e\n\u003cp\u003eIn addition to the main DC output, the SPS1203S includes USB-A and USB-C fast charging interfaces for compatible devices.\u003c\/p\u003e\n\u003cp\u003eThe supported output specifications include:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUSB-A:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePDO: 5V\/3A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePDO: 9V\/2A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePDO: 12V\/1.5A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eUSB-C:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePPS: 3.3V–5.9V\/3A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePPS: 3.3V–11V\/1.6A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe USB-A interface supports PE1.1\/2.0, APPLE, BC1.2, AFC, FCP, QC2.0, and QC3.0 protocols.\u003c\/p\u003e\n\u003cp\u003eThe USB-C interface supports PE1.1\/2.0, APPLE, BC1.2, AFC, QC2.0, QC3.0, and PD3.0 protocols.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003ch3\u003ePower Electronics Testing\u003c\/h3\u003e\n\u003cp\u003eThe SPS1203S provides adjustable DC power conditions for evaluating compatible power electronic circuits within its rated 0–120V, 0–3A, and 360W output range.\u003c\/p\u003e\n\u003ch3\u003ePower Circuit Development and Evaluation\u003c\/h3\u003e\n\u003cp\u003eDifferent voltage and current settings can be established when testing compatible power circuits during circuit development, functional evaluation, and bench operation.\u003c\/p\u003e\n\u003ch3\u003ePower Conversion Stage Testing\u003c\/h3\u003e\n\u003cp\u003eThe adjustable DC output can provide selected input conditions for compatible power conversion stages and related electronic assemblies operating within the rated specifications.\u003c\/p\u003e\n\u003ch3\u003eElectronic Module Testing\u003c\/h3\u003e\n\u003cp\u003eUsers can configure voltage and current values according to the requirements of compatible electronic modules and observe output voltage, current, and power during testing.\u003c\/p\u003e\n\u003ch3\u003eBench Testing and Electrical Parameter Observation\u003c\/h3\u003e\n\u003cp\u003eWith adjustable output control and an HD 4-Digit Display, the SPS1203S supports bench testing applications where users need to configure DC power conditions and monitor electrical parameters in real time.\u003c\/p\u003e\n\u003ch2\u003eQuality Check and Terms of Service\u003c\/h2\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cp\u003eEach KUAIQU SPS-S Upgrade Series DC Power Supply is packaged with the standard accessories required for normal operation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDC Power Supply ×1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOutput Cable ×1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInput Cable ×1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUser Manual ×1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWarranty Card ×1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCE \u0026amp; FCC Certification\u003c\/h3\u003e\n\u003cp\u003eThe SPS1203S is designed to meet applicable CE and FCC requirements for its intended use.\u003c\/p\u003e\n\u003ch3\u003eInspection Before Shipment\u003c\/h3\u003e\n\u003cp\u003eEach power supply undergoes inspection before shipment to help ensure proper operation and product quality.\u003c\/p\u003e\n\u003ch3\u003eCustomer Support within 24 Hours\u003c\/h3\u003e\n\u003cp\u003eFor questions about product operation, specifications, or usage, KUAIQU customer support provides assistance within 24 hours.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eItem\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSub-item\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Value (0°C~40°C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e0–120V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e0–3A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e360W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUSB \/ Type-C Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB-A\u003c\/td\u003e\n\u003ctd\u003ePDO: 5V\/3A, 9V\/2A, 12V\/1.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB-C\u003c\/td\u003e\n\u003ctd\u003ePPS: 3.3V–5.9V\/3A, 3.3V–11V\/1.6A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoad Regulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\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\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\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\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\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSetting Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;100V: 10mV; ≥100V: 0.1V\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\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReadback Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;100V: 10mV; ≥100V: 0.1V\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\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSetting Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\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\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReadback Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\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\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRipple (20Hz~20MHz)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e≤300mVp-p \/ ≤30mVrms\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≤30mArms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRise Time (No Load)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTime\u003c\/td\u003e\n\u003ctd\u003e≤200ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRise Time (Full Load)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTime\u003c\/td\u003e\n\u003ctd\u003e≤300ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFall Time (No Load)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTime\u003c\/td\u003e\n\u003ctd\u003e≤30s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFall Time (Full Load)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTime\u003c\/td\u003e\n\u003ctd\u003e≤300ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDynamic Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTime\u003c\/td\u003e\n\u003ctd\u003e≤200ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEfficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003e≥85%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage \/ Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eAC 220V (AC110V optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize \/ Net Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eApprox. 22 × 8.5 × 15.5cm, 1.2kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Size \/ Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eSingle unit: 29.5 × 13 × 21cm, 1.65kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhy Choose KUAIQU SPS1203S?\u003c\/h2\u003e\n\u003cp\u003eThe KUAIQU SPS1203S combines a \u003cstrong\u003e0–120V adjustable voltage range, 0–3A output current, and 360W maximum power\u003c\/strong\u003e in a compact Precision DC Bench Supply designed for compatible Power Electronics Testing applications.\u003c\/p\u003e\n\u003cp\u003eIts wide voltage range allows users to establish different DC input conditions, while the encoder control supports convenient adjustment of output parameters. The specified voltage and current resolutions provide detailed configuration options across the SPS1203S operating range.\u003c\/p\u003e\n\u003cp\u003eThe HD 4-Digit Display provides real-time voltage, current, and power monitoring, helping users observe the electrical conditions supplied to compatible circuits during bench testing. The Independent Output Button allows parameters to be configured before output is enabled, while OCP and OVP provide additional protection functions during operation.\u003c\/p\u003e\n\u003cp\u003eWith adjustable DC output, encoder control, real-time electrical monitoring, dual USB fast charging interfaces, and a rated output range of up to \u003cstrong\u003e120V, 3A, and 360W\u003c\/strong\u003e, the SPS1203S is a practical choice for compatible power electronics, electronic modules, power circuit evaluation, and laboratory bench testing applications.\u003c\/p\u003e","brand":"Shenzhen Kuaiqu Electronic Co., Ltd","offers":[{"title":"AC220V(±10%) \/ SPS1203S","offer_id":47896268112049,"sku":"SPS1203S","price":99.9,"currency_code":"USD","in_stock":true},{"title":"AC110V(±10%) \/ SPS1203S","offer_id":47896268144817,"sku":"SPS1203S","price":99.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/8027\/3329\/files\/KUAIQU_SPS1203S_120V_3A_360W_Precision_DC_Bench_Supply_with_OCP_Protection_for_Power_Electronics_Testing1.png?v=1788601780","url":"https:\/\/www.kuaiquinstrument.com\/fr\/products\/kuaiqu-sps1203s-120v-3a-360w-precision-dc-bench-supply-with-ocp-protection-for-power-electronics-testing","provider":"KUAIQU Instrument Store","version":"1.0","type":"link"}