Series Connection For Increased Voltage - Siemens SIMATIC ET200SP PS 6EP7133-6AB00-0BN0 24 V/5 A Manual

9.2

Series connection for increased voltage

To achieve an output voltage of 48 V DC, two 24 V SIMATIC power supplies of the same
type can be connected in series.
Note
For additional details, see Catalog KT 10.1 Chapter 15 Technical information and configuring
(see
(http://w3app.siemens.com/mcms/infocenter/content/en/Pages/order_form.aspx?nodeKey=k
ey_518431&infotype=catalogs)).
SELV is not guaranteed in the case of a fault
When connecting two power supplies in series, the continuous, permissible SELV voltage of
a maximum of 60 VDC according to EN 60950-1 cannot be guaranteed in the case of a fault.
Figure 9-2
SIMATIC ET200SP PS
Manual, 03.2018, A5E43207434
WARNING
Series connection
9.2 Series connection for increased voltage
Applications
43