Application notes
PS1061-2410-0000
28
Version: 1.0
4
Application notes
4.1
Charging batteries
Do not use the power supply to charge batteries.
4.2
Series connection
Power supplies of the same type can be connected in series to increase the output voltages. As many
devices can be connected in series as necessary, as long as the sum of the output voltages does not exceed
150 Vdc. Voltages with a potential higher than 60 Vdc are no longer regarded as safety extra-low voltage
and can be dangerous. Such voltages must be protected with a touch guard.
Grounding of the output is required if the sum of the output voltage is more than 60 Vdc.
Avoid application of return voltage (e.g. from a braking motor or battery) to the output terminals in a series
connection.
Restrictions: Keep a mounting distance of 15 mm (left/right) between two power supplies and do not install
the power supplies above each other. Power supplies connected in series should only be used in the
standard installation position (terminals on the underside of the device).
Remember that leakage current, electromagnetic interference, inrush current and harmonics increase when
using multiple power supplies.
Fig. 13: Series connection
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