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FIG 4-4
K1
F'1...F'4
F''1...F''5
L
Z1
Z2
BR3 - BR5
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Power connection of controllers 4X08 to 4X09
Mains contactor
Semiconductor fuses for the protection of controllers
Line protection fuses
Commutating choke (mains choke)
K
RFI filter
RFI filter for separate fan supply
0W wire bridge
Field controller
Power stage
Fan
Installation
6
J
4900Str128
48XX/49XXSHB0399
4-7