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ABB ATS021 - ATS021 Functions

ABB ATS021
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Installation and operating instructions, ATS021
1SDH000759R0002, L4106
8
2.2 Functions of automatic transfer switch ATS021
Figure 2.3 Automatic transfer switch ATS021
ATS021:
Analyzing the voltage, frequency, and phase balance. Includes the generator START / STOP command.
ATS021 has two sensors to monitor two three-phase power lines, both able to also work with single
phase.
Figure 2.4 ATS021 have the capability to monitor two three-phase power lines, both able to also
work with single phase.
2. Product overview

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