Installation
5.2 Output connections
SITOP expansion modules
82 Equipment Manual, 09.2022, A5E36605235-2-76
Figure 5-13 Series connection for increased voltage 2
SELV (ES1) cannot be guaranteed in the case of a fault
When connecting two power supplies in series, the continuous, permissible SELV (ES1)
voltage of maximum 60 V DC according to EN 61204-7 cannot be guaranteed in the case of
SELV (ES1) is not given for a series connection of 48 V devices
When connecting two 48 V power supplies in series, the continuous, permissible SELV (ES1)
voltage of maximum 60 V DC according to EN 61204-7 is exceeded.