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Siemens SIPROTEC 7SS522 V4.6 User Manual

Siemens SIPROTEC 7SS522 V4.6
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Design and Connection System
20
7SS52 V4 Manual
C53000-G1176-C182-3
Figure 2-5 Module arrangement in the bay unit 7SS525
PFE/SVW module In the PFE/SVW module the firmware is located and processed; it also contains the
power supply, the current transformers and the measured value acquisition function.
AFE module The AFE module contains the alarm and trip relays.
EFE_10 module The EFE_10 contains the binary inputs and receives indications (e.g. from isolators
and circuit breakers).
Heavy-duty
current terminals
The heavy-duty current terminals automatically short-circuit the current transformer
when the module is withdrawn.
Plug-in modules The plug-in modules are identified according to their position in a coordinate system.
The connections inside a module are numbered consecutively from left to right
(viewed from the rear), see example in Figure 2-8, page 24.
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Siemens SIPROTEC 7SS522 V4.6 Specifications

General IconGeneral
BrandSiemens
ModelSIPROTEC 7SS522 V4.6
CategoryPower distribution unit
LanguageEnglish

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