Weho Power Supply

  • £46.99
    Unit price per 
Tax included.

Weho power supply for RepRap 3D Printers.

Property S-400-12V S-400-24V
DC output voltage 12V 24V
DC output current 33A 16.5A
DC output voltage error ±1% ±1%
Ripple and noise 150mV 150mV
Efficiency 74% 81%
Input current 6.5A/115V 4A/230V 6.5A/115V 4A/230V
AC input voltage range 85-132VAC/170-264VAC 47-63HZ 240-370VDC 85-132VAC/170-264VAC 47-63HZ 240-370VDC
Over load protection 105-135% cut off the output auto -recovery 105-135% cut off the output auto -recovery
Over-voltage protection 115-135 cut off the output auto -recovery 115-135 cut off the output auto -recovery
Weight 1.05kg 1.05kg


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.

Friendly advice

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 insulated to avoid short-circuit and risk of electrocution to anyone that may be exposed to your printer. Please play safe!