Tenma Programmable Bench Power Supply, 1 Output, 20V 5A

The Tenma Programmable Bench Power Supply is a professional-grade, switch-mode DC power supply engineered for precision test, measurement, and service applications in laboratories, workshops, and educational environments. Its advanced functionality and robust protection features make it a reliable cornerstone for any electronics workbench.

The unit offers fully programmable output with a range of 1V to 20V and a current output from 250mA up to 5A. It features automatic crossover between constant voltage (CV) and constant current (CC) modes, ensuring stable operation regardless of the load. Control is intuitive, with both coarse and fine adjustments for voltage and current, managed via a responsive rotary encoder for precise setting.

A clear, illuminated LCD provides real-time feedback, displaying 4-digit readouts for voltage and current, along with status indicators for output on/off, CC, and CV modes. The compact, slim tower design with a collapsible handle saves valuable bench space while remaining portable. An output power switch is conveniently located on the front panel for easy access.

Comprehensive built-in protections safeguard both the power supply and your connected devices. These include tracking output over-voltage protection, as well as short-circuit, overload, and over-temperature protections. The design ensures excellent line and load regulation with low ripple and noise, providing a clean and stable DC output. Cooling is achieved through efficient natural convection, eliminating the need for noisy fans.

Supplied with a UK Type G mains plug, it is ready for use. This versatile and dependable power supply is an essential tool for developers, technicians, and engineers requiring accurate and adjustable DC power.