Table of Contents
Description, device design, dimension drawing
2.1
Device description
SITOP PSU300M/300B is a primary-clocked power supply for connection to a 3-phase AC
line supply. An electronically regulated DC voltage that can be set via a potentiometer is
available at the output of the device. The output of the device is isolated, no-load proof and
short-circuit proof. The LED displays indicate the operating state. The operating state of the
device can be processed via the signaling contact. The PSU300B devices are optimized to
charge batteries.
①
Line input
②
DC output
③
Signaling contacts
④
Potentiometer 12 ... 14 V, 24 ... 28.8 V, 42 ... 56 V
⑤
Pilot lamps (12/24/48 V OK, OVERLOAD, SHUT DOWN)
⑥
Selector switch
⑦
DIN rail slider
⑧
Convection
⑨
Clearance above/below
Figure 2-1
Design
SITOP PSU300M/300B
Manual, 11.2014, C98130-A7574-A2-2-7629
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