Installation and operating instructions, ATS021
1SDH000759R0002, L4106
6
1. Introduction
1.4 Explanations of abbreviations and terms
ATS:
The control unit of automatic transfer switching equipment, in this document called
the automatic transfer switch
ATS021:
The automatic transfer switch, standard version
CB:
Circuit
Breaker
DIP:
Dual Inline Package
Emergency line:
Power supply line, the secondary line used in emergency cases
Lim:
Rotary switch; the selection of the operating mode: Manual / Automatic, and the
selection of voltage threshold
Normal line:
Power supply line, the primary line normally used
TGOFF:
Generator stop delay, setting by DIP switches
Test sequence:
A sequence to test the functionality of the ATS and the connected circuit breakers
Ts:
Rotary switch; the delay time for automatic switching
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