Siemens SIRIUS 3RN2 - Safety data; Installation and commissioning

ATEX
3.1 Safety and commissioning instructions for hazardous areas
SIRIUS 3RN2 thermistor motor protection relay
Manual, 10/2016, A5E34244868002A/RS-AA/001
17
Safety data
Safety data calculated according to DIN EN ISO 13849 and IEC 61508 for an ambient temperature of
40 °C and self-heating of 15 °C
SIL
1
Performance level (according to DIN EN ISO
13849)
C
Category (according to DIN EN ISO 13849)
Cat. 1
Architecture 1oo1
HFT
0
Safety device type
Type B
λ
S
8.26E-07
λ
DD
6.80E-08
λ
DU
3.08E-07
SFF
≥ 60 %
PFD
≤ 1.5E-02
PFH
d
≤ 1.5E-06
MTBF
≥ 50 years
MTTF
d
(according to EN ISO 13849)
High
DC
avg
(according to DIN EN ISO 13849)
None
T1 value (repeat test)
≤ 3 years (DIN EN 60079-17, Section 4.4)
Note
Currently valid safety values
You can find the currently valid safety values in the Siemens Industry Online Support
(
https://support.industry.siemens.com/cs/ww/en/ps/).
Installation and commissioning
SIRIUS 3RN2 thermistor motor protection relays are suitable for snap-on mounting onto a 35
mm standard rail in accordance with EN 60715 or for screw mounting with an adapter
(accessory).
Any mounting position is possible.
NOTICE
Test the protection function
Test the protection function before commissioning.