Data Sheet
● at AWG conductors for main contacts
2x (16 ... 12), 2x (14 ... 8)
Tightening torque
● for main contacts with screw-type terminals
2...2.5N·m
Design of screwdriver shaft Diameter 5 to 6 mm
Size of the screwdriver tip Pozidriv 2
Design of the thread of the connection screw
● for main contacts
M4
Safety related data
Proportion of dangerous failures
● with low demand rate acc. to SN 31920
50%
● with high demand rate acc. to SN 31920
50%
Failure rate [FIT]
● with low demand rate acc. to SN 31920
50FIT
T1 value for proof test interval or service life acc. to
IEC 61508
10y
Display version
● for switching status
Handle
Certificates/ approvals
General Product Approval Declaration of Conformity Test Certificates
KC Miscellaneous Type Test Certific-
ates/Test Report
Special Test Certi-
ficate
Marine / Shipping
Marine / Ship-
ping
other Railway
Confirmation Vibration and Shock Confirmation
Further information
Information- and Downloadcenter (Catalogs, Brochures,…)
www.siemens.com/sirius/catalogs
Industry Mall (Online ordering system)
https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=3RV2021-4EA10-0BA0
3RV2021-4EA10-0BA0 Subject to change without notice
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