Check the listing for details. [3DMakerWorld] Genuine E3D 24v Power Supply - 16.5A, 400W. Condition: New. Listed at 78.79 USD. Key Features: Intended for use by experienced users 24V Switching power supply For use with RepRap 3D Printer 16.5A, 400W A 12v power supply for RepRap 3D Printers. It is important to remember, there is a voltage-selector switch so configure the PSU to match your national supply voltage which must be checked and set upon receipt of the supply. The default setting is 220v which is less likely to cause damage if plugged into a 110v supply, however the reverse may cause irreversible damage. This part is aimed at experienced users, if you are not comfortable wiring in your own mains then please consider an alternative supply. All terminals must be insluated to avoid short-circuit and risk of electrocution to anyone that may be exposed to your printer. Please play safe! Item Specifics DC output voltage: 24V DC output current: 16.5A Ripple and noise: 150mV Over load protection: 105-135% cut off the output auto-recovery Weight: 1.05kg