The PSU power supplies use a universal power 
input that can be used with 100 and 240 Vac 
systems. To connect or replace the power cord 
(user supplied, specification below), use the 
procedure below: 
The following procedure should only be attempted by 
competent persons. 
Ensure the AC power cord is not connected to power. 
Always allow the power supply to fully discharge 
before disconnecting the AC power cord. 
25A 250V, 3x12 AWG, outer diameter: 9-11mm, rated 
60 ºC min., 3m maximum length and approved by the 
national safety standards for the country of use. 
There are two type power cord protective sheaths in 
the standard accessories. One is black color and it is 
used for outer diameter: 8~13.5mm power cord. 
The other is gray color and it is used for outer 
diameter: 5.5~11.2mm power cord. 
The PSU has a number of power cord options 
available. Please see the optional accessories on page 
12 for details.