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Power Supply

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Laboratory Power Supply Unit (PSU)

A laboratory power supply unit (PSU) is a device used for testing electronics, repairing gadgets, and configuring circuits. Its main function is to provide a stable and adjustable power source for electronic components. Thanks to its high precision in voltage and current regulation, a lab PSU is an essential tool in laboratories, repair workshops, and educational institutions.

Types of Laboratory Power Supplies

There are various types of lab power supplies that differ in operating principles and functionality:

  • Linear (transformer-based) PSUs offer excellent voltage stability and low interference but are bulky and have a lower efficiency rate (40–60%).

  • Switching (SMPS) PSUs use high-frequency PWM control, making them compact and highly efficient (up to 90%), although they may generate electromagnetic interference.

Lab PSUs can also be single-channel or multi-channel, allowing you to power one or several devices simultaneously.

Key Specifications of a Laboratory PSU

Feature Description
Output Power Defines the maximum load, e.g., 150 W.
Adjustment Range Typically from 0 to 30 V and 0–10 A.
Output Voltage Type DC output or sinusoidal waveform (depending on model).
Galvanic Isolation Protects connected devices from interference.
Control Method Analog (potentiometers) or digital (buttons and display).
Additional Features USB port, overvoltage protection, built-in electronic load, etc.

How to Choose a Lab Power Supply

Key factors to consider include:

  • Output Voltage & Current: Determine the required voltage range (e.g., 0–15 V or 0–60 V) and maximum current (5 A or higher).

  • Number of Channels: Choose single-channel (for powering one device) or multi-channel models (for powering multiple devices simultaneously).

  • Type of PSU:

    • Linear – reliable with better output quality, but lower efficiency.

    • Switching – compact and energy-efficient, ideal for high-power loads.

  • Programmability: If you need to configure output values precisely, consider programmable models with digital interfaces.

  • Safety Features: Ensure the unit has overload protection, overvoltage protection, and thermal shutdown for safe operation.

Where to Buy a Laboratory Power Supply in Ukraine

You can purchase a lab PSU at our online store: sea-tm.com.ua. We offer a wide selection of high-quality models that meet the highest industry standards.

We provide:

  • ✅ Warranty and certification – all our devices are certified and backed by a warranty for guaranteed reliability.

  • ✅ Professional support – our experienced managers are ready to help you select the best solution for your specific needs.

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