Power Supply
Most Reprap electronics use 12V DC ranging from 5A-20A.
The motors plus single hotend take up to 5A or so, a heated bed typically takes 5A-15A. So for a standard setup with heated bed, look to about 17A total which is about 200W at 12V.
There are several different options of power supply that can be used and are commonly available.
Contents
Computer PSUs
Standard PC
A PSU from a standard PC can be used. Some electronics have connectors for direct connection to the PSU Molex connectors, for other electronics the connectors will need to be cut and connection to stripped wires made. Some electronics can use the Power-On signal to wake up the PSU from standby.
- PCPowerSupply using a computer power supply
Server PSU
There are also PSU taken from servers which can be used.
TODO: wiring
Brick type
General purpose power bricks
These come in a variety of types, for normal use select a 12V 200W version.
http://www.thingiverse.com/thing:13980
XBOX 360 PSU
The 203W version makes a good choice. The Xbox connector can be cut off and connections made to stripped wire.
TODO: wiring
OEM type PSU
These are designed to be wired into custom installations. They have exposed mains connections which should be enclosed to prevent access. It is recommended to get close frame types, but these still have exposed mains connections.
They come in a variety of output voltages and power ratings.
The input voltage is usually switchable between 110V and 220V, check that it is compatible with your mains voltage before purchasing.
Suppliers
Vendors (link to product) | Shipping location | Manufacturer | Model # (link to datasheet) | Input | Output(V/A) | Tested | Additional notes |
lulzbot | USA | MW | S-240-12 | 110V or 220V | 12V 20A | true |