Siemens SIRIUS 3RU - Safety Data

Configuration
6.5 Safety instructions for use in hazardous areas (3RB)
SIRIUS 3RU thermal overload relays / SIRIUS 3RB electronic overload relays
74 Manual, 09/2016, A5E03656507420A/RS-AB/003
6.5.3
Safety data
Further safety notices
Table 6- 6 Safety data - 3RB20 / 3RB30 and 3RB21 / 3RB31 electronic overload relays at T
U
= 40 °C
Type
3RB20 / 3RB30 and 3RB21 / 3RB31
• The safety data values given below apply for an ambient
temperature of 40 °C.
SIL
SIL 1
HFT
0
λ
safe
1 / h
440 × 10
-9
λ
DD
1 / h
105 × 10
-9
λ
DU
1 / h
296 × 10
-9
SFF
%
65
DC
%
26
MTBF
Years
130
PFD
avg (for < 36 months)
< 1.0 × 10
-2
Architecture
1001
T1 value (repeat test)
DIN EN 60079-17 Section 4.4
T
lifetime
Years
20
Note
Please inquire about safety data for ambient temperatures that differ from
40 °C.
Ambient temperatures
• Storage / transport
°C -40 ... +80
• Operation
°C -25 ... +60
• Temperature compensation
°C +60
• Permissible rated operating current
- At 60 °C cabinet interior temperature
%
100
- 70 °C
%
On request