Description
2.3 Protection system
3WA1 air circuit breaker
Equipment Manual, 02/2023, 92310000002-06
49
SIMARIS curves
The Siemens software tool SIMARIS curves can be used to display the time-current
characteristic for
one or more devices.
For more information on SIMARIS curves, refer to the internet
(https://www.siemens.com/simaris
).
The electronic trip units features a wide range of setting options. The setting range of
the protective functions of the ETU300 and ETU600 electronic trip units, which can be
set via the 5 rotary coding switches, is shown in the Appendix Time-current
characteristic of the ETU300 electronic trip unit (Page 557) and Time-current
characteristic of the ETU600 electronic trip unit (Page 558). For the ETU600 electronic
trip unit, the setting range is also determined by the basic settings on delivery of the
circuit breaker for the e.SET rotary coding switch position.
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