Data Sheet

● at AWG conductors for auxiliary contacts
2x (20 ... 16), 2x (18 ... 14)
AWG number as coded connectable conductor cross
section
● for main contacts
16...8
● for auxiliary contacts
20...14
Safety related data
B10 value
● with high demand rate acc. to SN 31920
1000000
Proportion of dangerous failures
● with low demand rate acc. to SN 31920
40%
● with high demand rate acc. to SN 31920
73%
Failure rate [FIT]
● with low demand rate acc. to SN 31920
100FIT
Product function
● Mirror contact acc. to IEC 60947-4-1
Yes
T1 value for proof test interval or service life acc. to
IEC 61508
20y
Protection against electrical shock finger-safe
Certificates/ approvals
3RT2028-1AD00 Subject to change without notice
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09/12/2019 © Copyright Siemens