Schaffner Group
User and Installation Manual
Ecosine
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Figure 18 Design of FN3470/80/72/82 filter (Type E0XXSXX)
5.2 Mechanical design of FN3471/81/73/83 (without load choke present)
The general design of FN3471/81/73/83, filters without load choke present, and with circuit breaker
module (E0XXSXX) is shown in Figure 19.
On the right side of the frame, there is trap choke
L
t
sitting on top of the line choke
L
i
. The trap capaci-
tor
C
t
, and circuit breaker or trap disconnect jumper is mounted on the left side of the frame.
