VAMP 140 Overcurrent and earth-fault relay
Technical description
VAMP Ltd
40
Vamp 24h support phone +358 (0)40 573 6316 VM140.EN011
4.6. Arc protection
The optional arc protection card includes two arc sensor
channels. The arc sensors are connected to terminals X4: 4-5
and 6-7.
The arc information can be transmitted and/or received
through the binary input and output channels. This is a 48 Vdc
signal.
Connections:
X4: 1 Binary input (BI)
X4: 2 Binary output (BO)
X4: 3 GND (connect between relays)
X4: 4 Arc sensor 1 +
X4: 5 Arc sensor 1 -
X4: 6 Arc sensor 2 +
X4: 7 Arc sensor 2 -
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