6
TB XRI1-IR 02.00 E
3.2
Front plate
3.2.1
Indication and operation elements
The front plate of protection relays comprises the fol-
lowing operation and indication elements:
•
Alphanumerical display (4 Digits)
•
Push buttons for setting and other operations
•
LEDs for measured value indication and setting
Fig. 3.4: Front plate
XRI1-IR