2. Abbreviations
BI – binary input
BO – binary output
CB – circuit breaker
CBFP – circuit breaker failure protection
CT – current transformer
EPROM – erasable, programmable read-only memory
HSO – high-speed output
LED – light emitting diode
LV – low-voltage
MV – medium-voltage
NC – normally closed
NO – normally open
PCB – printed circuit board
QD – quenching device
RF – radio frequency
Rx – receiver
SAS – standard arc scheme
SF – system failure
Tx – transceiver
μP - microprocessor
A
AQ
Q-103L
-103LV
V
Instruction manual
Version: 1.00
© Arcteq Relays Ltd
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