
Best selling Lab power supplies
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1. Peaktech P 6226 Switched-mode power supply unit
This laboratory power supply offers an adjustable DC voltage output of 0 - 30 V or 0 - 10 A. The current and voltage settings are made via digital potentiometers, allowing both values to be adjusted even when the output sockets are turned off. By pressing the respective rotary knob for current or voltage, the setting resolution can be switched from 10 mA to 100 mA or from 10 mV to 1 V. To ensure safe measurements, there is a button on the front of the PeakTech 6226 that is used to control the output of the voltage. The display also indicates when the output is active. With the CV and CC functions, the voltages and currents can be set to constant values that do not change when a load is connected. These features make the PeakTech 6226 a remarkable companion for any hobbyist electronics enthusiast as well as for any specialist.
Pro
- Inexpensive, small, compact
- Precisely adjustable current / voltage
- bzzzzz electricity

2. Velleman FPS1303 Laboratory power supply unit
The FPS1303 laboratory power supply from Velleman is a powerful and reliable device designed for various applications in laboratories and workshops. With a stable output voltage of 13.8 VDC and a maximum output current of 3 A, it provides a constant power source for electronic projects and tests. The device is linearly regulated, allowing for precise voltage control, making it suitable for sensitive applications. The protection mode with current limiting ensures that the device is protected from overload, while the safety sockets guarantee a secure connection. Its compact design and lightweight make it easy to transport and use in different environments.
- Linearly regulated output voltage for precise applications
- Integrated protection mode for current limiting
- Safety sockets for secure connections
- Protected by a fuse to prevent overload.

3. Peaktech P 6225 A Switched-mode power supply unit
This laboratory power supply offers a variable DC voltage output of 0 - 30 V or 0 - 5 A. The current and voltage settings are made via digital potentiometers, allowing both values to be adjusted even when the output sockets are turned off. By pressing the respective rotary knob for current or voltage, the adjustment resolution can be switched from 10 mA to 100 mA or from 10 mV to 1 V. To ensure safe measurements, there is a button on the front of the PeakTech 6225 A that is used to control the output of the voltage on and off. The display also indicates when the output is active. Another notable feature is the CV and CC function of the laboratory power supply. With this function, the voltages and currents can be set to constant values that do not change when a load is connected. These features make the PeakTech 6225 A a remarkable companion for any hobbyist in electronics, as well as for any specialist.
Pro
- Light and small
- Small and compact

4. Statron Laboratory power supply unit, adjustable 22
Multi-voltage source for universal use. Output voltages can be connected in series and parallel. For precise adjustment of the output data, 10-turn potentiometers are installed. The design as a linear regulator ensures low residual ripple and noise voltages. All outputs can be used simultaneously.

5. Statron Laboratory power supply unit, adjustable 3252.1 0 - 3
Linear laboratory power supply with separate digital displays for voltage and current. Its robust construction, ease of use, and good regulation make it ideal for laboratories, workshops, and manufacturing.

6. Rohde & Schwarz R&S®NGC102-G Laboratory power supply, adjustable 32 V (max.) 5 A (max.)
The R&S®NGC102-G laboratory power supply from Rohde & Schwarz is a state-of-the-art DC power supply designed for precise applications in laboratory environments. With a maximum output voltage of 32 volts and a maximum output current of 5 amperes, this device delivers up to 100 watts of power. It is ideal for the development, testing, and maintenance of electronic circuits and devices. The laboratory power supply is equipped with multiple connection options, including USB-B and USB-A ports, as well as a GPIB port, allowing for flexible integration into various testing environments. Its compact design and weight of 2.7 kilograms make it easy to use in different laboratory setups. The power supply is powered by the mains, ensuring reliable and consistent performance.
- Maximum output voltage of 32 V and maximum output current of 5 A
- Power of up to 100 W for versatile applications
- Versatile connection options, including USB-B, USB-A, and GPIB
- Compact design with a weight of only 2.7 kg for easy handling.

Rohde & Schwarz R&S®NGC102-G Laboratory power supply, adjustable 32 V (max.) 5 A (max.)
7. GW Instek PSW 800-2.88 Laboratory power supply unit, adjustable 0 - 800 V/DC 0 - 2.88 A 720
The PSW series devices are multi-range laboratory power supplies with a single output. The multi-range function allows for quick and flexible adjustment of output voltage and current within the device's output power. Up to three power supplies can be connected in parallel and up to two units in series. Devices from the PSW series with different output values can also be combined in this setup. This creates a variety of combination options, providing the right solution for many applications. By default, the PSW series devices are equipped with a USB and LAN interface.

GW Instek PSW 800-2.88 Laboratory power supply unit, adjustable 0 - 800 V/DC 0 - 2.88 A 720
8. EA Elektro-Automatik EA Elektro Automatik EA-PS 10200-50 2U laboratory power supply, adjustable 0 - 200 V/DC 0 - 50A
The DC laboratory power supplies of the PS 10000 series from EA Elektro-Automatik convert energy from the grid into a regulated DC voltage with an efficiency of over 96%. The PS 10000 series includes single-phase and three-phase devices that can accommodate nearly all grid voltages worldwide due to their wide input range. The DC voltages and currents are application-oriented, with a spectrum ranging from 0 to 60 V up to 0 to 2000 V, as well as from 0 to 6 A up to 0 to 1000 A in a single device.

EA Elektro-Automatik EA Elektro Automatik EA-PS 10200-50 2U laboratory power supply, adjustable 0 - 200 V/DC 0 - 50A
9. Keithley Laboratory power supply, adjustable 2231A-30-3 0
The Model 2231-30-1 offers three output channels for cost-effective characterization of a wide range of components, circuit boards, modules, and devices that require more than just a power supply. Each device provides two analog channels with 30V/3A and one channel with 5V/3A for digital circuits. These multi-channel power supplies offer an excellent combination of performance, versatility, and user-friendliness to extract as much information as possible from characterization and to test as quickly and easily as possible. They operate effectively in automated test systems as well as in manual operation.

10. Voltcraft EL-1400 Elektronische Last 150 V/DC 40 A 400 W
The Voltcraft EL-1400 is a high-precision electronic load device designed for a variety of applications in electrical engineering. It is ideal for testing power supplies, batteries, and chargers. With a maximum output voltage of 150 V, an output current of 40 A, and a power capacity of up to 400 W, it offers versatile load regulation options, including Constant Current (CC), Constant Voltage (CV), Constant Resistance (CR), and Constant Power (CP). The device features a 10 cm TFT LCD color display that allows for clear and convenient data evaluation. Additionally, it includes protection mechanisms against overvoltage, overload, and overheating to ensure safe operation. The parallel control allows for the operation of up to 10 devices, making it an excellent choice for high-performance applications.
- Versatile load regulation: CC, CV, CR, CP
- Dynamic current testing up to 10 kHz
- Safety mechanisms against overload and overheating
- Convenient TFT LCD color display for easy evaluation.
