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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