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Pc-board DP-S3NEFI
The pc-board DP-S3NEFI is mains lter and power-up circuit in one for the V24 mobile.
Functions
- mains lter
- reducing start-up peak current for capacitors
- supply and safeguarding of control transformer
Measuring points
designation measure point result
mains input L1 LP1
~ 400V ACmains input L2 LP2
mains input L3 LP3
mains output L1 LP4
~ 400V ACmains output L2 LP5
mains output L3 LP6
supply voltage control transformer X10/1
X10/2
~
~
400V AC
drive level relay X4/1, 3
X4/2, 4
+
-
24V DC
Picture pc-board DP-S3NEFI
X4
X10
SI3
SI4
LP1
LP2
LP3
LP4
LP6
LP5
LP7
650.1281.x DP-S3NEFI RP359/1
D00.0107.0-00
Fuses
Safeguarding the control transformer via Si1, Si2 : each 4A, 400V (slow)
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