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PWB series
3
1.2. Block diagram (Fig.1).
Fig.1. Block diagram of PSU.
1.3. Description of PSU components and connectors.
Table 2. Elements and connector of PSU (see Fig. 2a, 2b).
Element no.
Description
[1]
L-N
power supply connector 230 V AC,
– connector for
protective conductor
[2]
START button (running PSU on battery backup)
[3]
Battery fuse
[4]
Battery terminals (
BAT+
,
BAT-
)
[5]
Output of PSU (
AUX+
,
AUX-)
[6]
LED indicating the presence of DC voltage
[7]
Connector for external LED indicators
Fig. 2a. View of power supply module PWB-52V1A