The GW Instek PSW 40-54 is a high-current programmable DC power supply designed for demanding low-voltage applications. With 720W of total output power, it provides autoranging capability that flexibly delivers up to 40V or 54A, making it a versatile tool for testing batteries, power devices, and electronic circuits. This single instrument reduces the need for multiple supplies while maintaining stable, low-ripple performance. Engineered with advanced safety protections and programmable control interfaces, the PSW 40-54 is an ideal choice for both research labs and industrial test systems where reliability and accuracy are critical.
Key Features:
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720W autoranging output (0–40V, 0–54A)
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High current capacity with stable, low-ripple output
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Programmable via front panel, USB, RS-232, GPIB, or LAN (optional)
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Adjustable OVP (over-voltage) and OCP (over-current) protections
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Supports series and parallel operation for greater flexibility
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Bright LCD display with intuitive user interface
Compatible Applications & Chemicals:
Well-suited for high-current applications such as battery testing, circuit validation, power electronics development, and industrial device evaluation. Safe for electronics laboratories; not intended for direct chemical use.
Included Accessories:
Standard power cord, user manual, communication cables (depending on configuration), and calibration certificate.
Compliance:
Meets ISO and GLP standards for laboratory equipment. CE and RoHS compliant.
Benefits for Lab Users:
With its ability to deliver up to 54A at 40V, the PSW 40-54 is an efficient solution for high-current testing in R&D and production environments. Its autoranging design reduces equipment needs, while built-in protections and versatile interfaces ensure safe, reliable, and easy integration into automated test setups.





