VAMP Ltd
Overcurrent and earth-fault relay
Technical description
VAMP 140
VM140.EN011
Vamp 24h support phone +358 (0)40 573 6316
33
CB
CLOSE COIL
OPEN COIL
close control
trip circuit
failure alarm
VR10CB
-
V
AUX
+V
AUX
+V
AUX2
-
V
AUX
VAMP 1xx relay
Digital input
Trip relay
Delay
Alarm relay
for trip
circuit failure
relay compartment
circuit breaker compartment
+
TripCircuitSup100ClosePos
Figure 3.7-1 Trip circuit supervision when the circuit breaker is closed. The
supervised circuitry in this CB position is marked with an extra parallel
line. The digital input is in active state.