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TECHNICAL DATASHEET
Sync DIN Rail Power Supply
12V 50W 1 Phase (NEC Class 2) / DRS-12V50W1N
Operating Mode
Parallel Operation
The power supply units (PSUs) can also be used for
parallel operation in order to increase the output power.
The difference in output voltage between the two units
must be kept to within 25mV of each other. This
difference must be verified with the same output load
connected independently to each unit.
Parameters such as EMI, inrush current, leakage current,
PARD, start up time will be different from those on the
datasheet, when two units are connected in parallel. The
user will need to verify that any differences will still allow
the two power supplies connected in parallel will work
properly in their product/application.
Others
Delta RoHS Compliant
Restriction of the usage of hazardous substances
The European directive 2011/65/EU limits the maximum impurity level of homogeneous materials such as lead,
mercury, cadmium, chrome, polybrominated flame retardants PBB and PBDE for the use in electrical and
electronic equipment. RoHS is the abbreviation for "Restriction of the use of certain hazardous substances in
electrical and electronic equipment".
This product conforms to this standard.
All parameters are specified at 25°C ambient and AC input unless otherwise indicated.
13
www.DeltaPSU.com (March 2016, Rev. 00)
Fig. 3
Parallel Operation Connection Diagram
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