3UG4625 residual current monitoring relay with 3UL23 transformer
8.5 Diagnostics
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
203
Indications on the display
Display information
The display is divided into three different areas.
Current measured value or fault symbol
Symbols of the changeover contacts
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