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The KUAIQU KQ7901 Electrical Engineering DC Power Supply is designed for electrical engineers working on circuit design, power conversion, control electronics, and DC system development. With an adjustable output of up to 80V, 20A, and 400W, this programmable DC power supply provides flexible power delivery for a wide range of electrical engineering applications.
Designed for engineering workbenches and technical development environments, the KQ7901 combines programmable output settings, list sequencing, remote sensing, and digital control capabilities. Engineers can configure output conditions, save frequently used settings, and execute predefined output sequences to support repeatable circuit evaluation and system development.
Whether developing power conversion circuits, evaluating control boards, or integrating DC-powered components into electrical systems, the KUAIQU KQ7901 offers a versatile DC power source for practical engineering work.
1. 80V 20A 400W Adjustable DC Output
Provides adjustable DC output up to 80V and 20A, with a maximum rated power of 400W. The wide output range supports different electrical engineering projects, including DC circuit development, power supply modules, and control electronics.
2. Programmable Output for Engineering Applications
Configure output parameters to meet different circuit requirements. Programmable operation helps engineers establish repeatable power conditions when evaluating electronic components, developing electrical circuits, and refining DC system designs.
3. List Sequencing for Multi-Step Power Settings
The list sequencing function supports predefined output sequences, making it useful for engineering workflows that require multiple programmed output conditions. It can help organize step-by-step circuit evaluation and repeatable power-up procedures within the power supply's supported operating limits.
4. Remote Sensing for Improved Load-Voltage Accuracy
Remote sensing compensates for voltage drops in output leads when connected and configured correctly. This helps maintain the intended voltage at the load terminals, which is particularly useful when working with longer leads or circuits with demanding voltage requirements.
5. Digital Control and Convenient Parameter Management
Digital control capabilities support more structured operation in electrical engineering environments. Together with programmable settings, they help simplify repeated configuration tasks during circuit development and system evaluation.
6. Designed for Electrical Engineering Workbenches
The KQ7901 is suitable for engineering workbenches where adjustable DC power, programmable settings, and controlled output conditions are required. It provides a flexible power source for circuit design, component evaluation, and electrical system development.
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Parameter
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Specification
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Model
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KQ7901-80-20
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Output Voltage Range
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0 ~ 80V Continuously Adjustable
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Output Current Range
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0 ~ 20A Continuously Adjustable
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Rated Power
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400W
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Ripple & Noise
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5 mV rms, 30 mV p-p
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Voltage Resolution (Setting & Readback)
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1 mV (0.001V)
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Current Resolution (Setting & Readback)
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1 mA (0.001A)
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Power Readback Resolution
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1 mW (< 100W); 10 mW (≥ 100W)
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Display Screen
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4.3-inch 5-Digit HD Color Screen
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Memory Groups
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100 Sets of Parameter Storage
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Programming Mode
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Panel Setting + USB File Import
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Working Mode
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Normal Mode / Forced CV Mode
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Communication Interface
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USB, RS232, Optional RS485
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Communication Protocol
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Modbus RTU
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Adjustable Baud Rate
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1200, 2400, 4800, 9600, 14400, 19200, 38400, 56000, 57600, 115200, 128000, 230400
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Fast Charge Ports
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USB-A + USB-C Dual Ports
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Protection Functions
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OVP, OCP, OTP, Short Circuit Protection, Reverse Polarity Protection, Panel Lock
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Cooling System
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Intelligent Temperature-Controlled Fan
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Input Voltage
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110V / 220V AC Switchable
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Continuous Operation
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24-hour Long-Term Stable Working Support
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Display Language
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Chinese / English Switchable
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Electrical Circuit Design: Supply adjustable DC power to circuits during design, prototyping, and functional evaluation.
Power Conversion Engineering: Support the development and evaluation of DC-DC converter circuits and power conversion modules within the unit's voltage, current, and power ratings.
Control System Development: Power control boards, electronic controllers, and DC-powered system components during development.
Electrical Component Evaluation: Provide controlled DC input conditions for evaluating electronic components and circuit behavior.
DC System Integration: Support the development and integration of DC-powered subsystems and electrical equipment.
Engineering Prototyping: Supply power to prototype circuits and newly designed electronic assemblies during iterative development.
The KUAIQU KQ7901 combines 80V, 20A, 400W output with programmable settings, list sequencing, and remote sensing. It provides flexible power control for electrical circuit design, power conversion development, and DC system integration, helping engineers simplify repetitive workflows and maintain stable voltage at the load.
30-Day return and refund guarantee (Refer to our Refund Policy), 2-year warranty (only available for orders purchased directly from kuaiquinstrument.com), lifetime technique support by KUAIQU.
Please feel free to reach us with any concerns:
Email: kuaiquinstrument@163.com
We strive to reply to you within 24 hours.
Shenzhen Kuaiqu Electronic Co., Ltd. was founded in 2014 and is located in Shenzhen City, Guangdong Province. It is a scientific and technological enterprise integrating,production and sales. Specializing in the production of DC stabilized power supply, variable frequency power supply, switching power supply, program-controlled power supply and other 100 kinds of measuring teaching instruments and industrial special equipment.
We are committed to delivering premium products and exceptional customer service, striving to be your most reliable and intelligent assistant.
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