Description
2.8 Electronic trip unit ETU
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
68 Manual, 10/2018, L1V30499596002-01
Effect on
characteris-
tic curve
t
g
Delay time until disconnec-
tion
Line protection Tripping after a time of t
g
= 0.1 s
Simaris design (http://www.siemens.com/simaris)
The Siemens SIMARIS design software tool is a fast, simple and reliable tool for calculating
and dimensioning networks in accordance with the valid rules:
You will find more information on SIMARIS design in the Internet
(http://www.siemens.com/simaris
).
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