The device is supplied with 4 screws and 4 M5 stainless steel washers for fixing.
On the right side of the box there is a M10 ground terminal.
On the front cover of device, starting from the top, there are:
•
three GREEN LEDs, to signal the voltage presence of three phases of MV network
•
a WHITE LED, to signal the inversion of surveillance direction of directional earth fault protection
•
an ORANGE LED, to locally signal the intervention for polyphase fault or double single-phase
ground fault
•
a RED LED, to locally signal the intervention for line side single-phase fault
•
a RED LED, blinking, to signal a device failure
On the top side of case there is a cable gland for the connection cable with remote control unit.
P515D851 Rev. E
November 2019
Pag. 14 of 45
