Installing and connecting the device 
  3.3 Connecting the device 
SIMATIC IPC PX-39A 
Operating Instructions, 08/2022, A5E51699601-AA 
41 
3.3  Connecting the device 
3.3.1  Country-specific information on supply voltage 
USA and Canada  
Supply voltage 120 V / 230 V / 240 V AC 
Ensure that the power cords used are rated for the maximum current input and ambient 
temperature of the device and meet the requirements of the following standards: 
•  ANSI/UL 817 
•  CSA C22.2 No. 21 
Ensure that the device connectors, connection sockets and connection materials are rated for 
the maximum current input and ambient temperature of the device and meet the 
requirements of the following standards: 
•  ANSI/UL 498 and CSA C22.2 No. 42 
•  CSA C22.2 No. 182.1 
•  CSA C22.2 No. 182.2 
•  CSA C22.2 No. 182.3 
For countries other than the USA and Canada  
Supply voltage 230 V AC 
This device is supplied with a safety-tested power cord and may only be connected to a 
grounded SCHUKO socket outlet. 
If you do not use the power supply cord, use a flexible cable that is rated for the maximum 
current consumption and highest ambient temperature of the device and complies with the 
safety regulations of the country in which the device is installed. 
The power supply cord and the plug connector must bear the prescribed markings.