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
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