Get in touch!


Email address:


Mobile Number:


I am:
an individual a company a small business


Product of interest:

Required date:

Alternatively, you can contact us like this:

If you're not sure which product you need, try our Quick Product Finder

AC-DC Power Supplies

AC-DC Power Supplies


Single Output Power Supplies

With two power ratings - 250W convection cooled and 500W with internal fan - the GWS series offers output voltages from 12 to 48V. The series uses innovative design techniques to combine high efficiency, high power density and low standby power with the confidence of a 5-year warranty. Both power levels offer a 5V standby voltage, remote on/off and a DC good signal as standard. Average efficiency ratings are 92.7% for the 250W and 90.3% for the 500W.



  • Standby Power Draw less than 0.5 Watt
  • Average Active Efficiency @ 230V: 92.7%
  • ErP Compliant
  • 41 mm height (1U compatible)
  • Convection cooled
  • 5V / 300mA Aux Supply
  • Output Remote Programming
  • Down to 25% Load: Class C Harmonics (IEC 61000-3-2)
  • Allows Use in Lighting


Product Range Information

Hide details

Show details

Part number Power (W) Output info Construction Status Datasheet
GWS250-12 252 12V / 21A
Enclosed Current product   Datasheet
GWS500-12 504 12V / 42A
Enclosed Current product   Datasheet
GWS250-24 252 24V / 10.5A
Enclosed Current product   Datasheet
GWS500-24 504 24V / 21A
Enclosed Current product   Datasheet
GWS250-36 252 36V / 7A
Enclosed Current product   Datasheet
GWS500-36 504 36V / 14A
Enclosed Current product   Datasheet
GWS250-48 254.4 48V / 5.3A
Enclosed Current product   Datasheet
GWS500-48 504 48V / 10.5A
Enclosed Current product   Datasheet
Key : Current product

Quick Product Finder

Choose number of outputs:
Choose power supply type:

GWS Technical Downloads

GWS In the TDK-Lambda Newsroom

500W models added to TDK-Lambda GWS series of ErP compliant power supplies
Read the article

GWS series – ErP compliant power supplies from TDK-Lambda
Read the article

Related products

Further Resources

TDK-Lambda - Trusted, Innovative, Reliable