VAMP Ltd
Arc protection system
Technical description
VAMP 221
VM221.EN013
VAMP 24h Technical Support: +358 (0)20 753 3264
7
VAM 10L
Parameter
Parameter
Parameter
Parameter
Value
Value
Value
Value
Unit
Unit
Unit
Unit
Default
Default
Default
Default
Description
Description
Description
Description
SW1-1
ON/OFF
OFF
Scope of arc fault trip:
OFF: tripping based on light
information within zone
ON: tripping based on light
information detected by the
unit only
SW1-3
ON/OFF
OFF
Settings for arc fault trip
criteria:
OFF: tripping based on light
and current criteria
ON: tripping based on light
criteria
VAM 3L / VAM 3LX
Parameter
Parameter
Parameter
Parameter
Value
Value
Value
Value
Unit
Unit
Unit
Unit
Default
Default
Default
Default
Description
Description
Description
Description
SW1-1
ON/OFF
OFF
Selection of digital output for
use.
OFF: light information sent
from DO
ON: overcurrent information
sent from DO
SW1-3
ON/OFF
OFF
Settings for arc fault trip
criteria:
OFF: tripping based on light
and current criteria
ON: tripping based on light
criteria
VAM 4C
Parameter
Parameter
Parameter
Parameter
Value
Value
Value
Value
Unit
Unit
Unit
Unit
Default
Default
Default
Default
Description
Description
Description
Description
SW1-1 … 4 ON/OFF
OFF
Selection of trip protection
zone
SW2-3
ON/OFF
OFF
Transmission of current
criteria
OFF: unit does not transmit
the current criteria to other
units
ON: unit transmits the
current criteria to other units
SW2-4
ON/OFF
OFF
Reception of current criteria:
OFF: unit does not receive the
current criteria from other
units
ON: unit receives the current
criteria from other units
L1 / L3
0.5 … 6
pu
1.0
Current criteria setting value
for current channels L1 and
L2
L2 / Io
0.05 … 5
pu
1.0
Current criteria setting value
for current channel L2/Io