REF 542plus switchbay protection and control unit
Manual Part 3: Installation and Commissioning
1VTA100004-en DMS,2001-10-04 REF542plus: Installation and Commissioning 24 / 80
Symbol Legend Symbol Legend
Resistor with one fixed tap-
ping
Fuse
Current transformer
Sensing element
Three-phase transformer
Current sensing element
Voltage transformer
Optical fibre cable
4.2.7 Connection Example of the REF542plus Analog Inputs
Figure 6: Example of connection diagram for incoming or outgoing bays with transformers
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