3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
651
List of abbreviations
Overview
Table C- 1 Meaning of abbreviations used in this document
AC Alternating voltage
ACT ACTIVE (ready signal)
AL ALARM (pre-alarm)
ASCII
[Modbus interface]
American Standard Code for Information Interchange
ATAM Adjustable Thermal Adjustable Magnetic Trip Unit (adjustable thermal over-
load release, adjustable magnetic trip unit with short-circuit protection)
ATFM Adjustable Thermal Fixed Magnetic Trip Unit (adjustable thermal overload
release, permanently set magnetic trip unit with short-circuit protection)
ATSE Automatic Transfer Switching Equipment
AUX Auxiliary switch
C Common
CB-S Circuit Breaker Switch (standard auxiliary switch (NO contact))
CD Compact Disk
COM-DO COM-Draw-out-Kit
DC Direct voltage
DIN Deutsches Institut für Normierung e. V. (German Institute for Standardization)
DISCON DISCONNECT
DO Draw out
EFB External Function Box
ESD Electrostatic sensitive devices
EMC Electromagnetic compatibility
EN European standard
ETU Electronic trip unit
FTAM Fixed thermal adjustable magnetic trip unit (permanently set thermal overload
release, adjustable magnetic trip unit with short-circuit protection)
FTFM Fixed thermal fixed magnetic trip unit (permanently set thermal overload re-
lease, permanently set magnetic trip unit with short-circuit protection)
G Ground fault (protection)
GF [tripping
characteristic]
Ground fault
HH-fuse High-voltage fuses