3WL/3VL circuit breakers with communication capability - PROFIBUS
System Manual, 03/2011, A5E01051353-02
279
List of abbreviations
A
A.1 List of abbreviations
The abbreviations used in the manual are explained below.
AC Alternating current
AWG American Wire Gauge
BDA PLUS Breaker Data Adapter
BSS Breaker Status Sensor
COM15 Communication module
CUB - CubicleBUS, connection "-"
CUB + CubicleBUS, connection "+"
DC Direct current
DIN German Industry Standard
ED ON time; exceeding the permissible ON time results in destruction
ESD Electrostatic sensitive device
ETU Electronic trip unit, solid-state overcurrent trip unit
EN European standard
EMC Electromagnetic compatibility
EXTEND. Extended protection function
F1 First shunt release
F2 Second shunt release
F3 Undervoltage release
F4 Undervoltage release with delay
F5 Tripping solenoid
F7 Remote reset solenoid
I/O In/Out, input and output module
I tripping operation Instantaneous short-circuit trip
ID Identification number
IEC International Electrotechnical Commission
L1 Conductor/phase 1
L2 Conductor/phase 2
L3 Conductor/phase 3
LED Light emitting diode
LV Low-voltage
M Motor
MV Medium-high voltage
N Neutral conductor
NC Normally closed contact
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