Fronius TransSynergic 5000 - Technical Data; Function Overview; Plug Layout NF 3400

74
Function over-
view
- Varistors provide protection against momentary overvoltage of the mains
- Capacitors and coils form an LC low-pass filter that moderates the parasitic fre-
quencies over 60 Hz
- Capacitors divert disturbances to earth and also between the phases
- Resistors discharge the line filter capacitors
- The earth current watchdog is integrated on line filter 40 A/80 A
Plug layout NF
3400
Technical Data
Attenuation of parasitic frequencies > 60 Hz
Fig.48 Connections on NF 3400 PC board
X1
X2
X3
X4
X5
X6
Pin Function
X1 L1 in, cable
X2 L1 out, cable
X3 L2 in, cable
X4 L2 out, cable
X5 L3 in, cable
X6 L3 out, cable
Overview
(continued)
Line filter 40 A
Fig. 47 Line filter 40 A and 80 A
Line filter 80 A
X1
X3
X2
X1
X3
X2
X4