Technical data
Leuze electronic GmbH + Co. KG
MSI-SR4B
23
13
Technical data
13.1 General specifications
Table 13.1:
Safety-relevant technical data
Table 13.2:
Electrical data, degree of protection, environment
Performance Level (PL) in accordance with
EN ISO 13849
-
1: 2015
PL e
Category in accordance with EN ISO 13849-
1:2015
Category 4
SIL in accordance with EN 61508
SIL 3
Type in accordance with IEC 61496-1:2020
Type 4
Probability of a dangerous failure per hour (PFH
D
) 2,0 x 10
-8
Mean time to dangerous failure (MTTF
d
)
73 years
Mission time (T
M
)
20 years
B10
d
DC 13: 1.0 million switching cycles
AC 15: 1.4 million switching cycles
Stop category acc. to EN/IEC 60204-1
Stop 0
Operating voltage U
B
24 V AC/DC,
s
20%
Power consumption
3 W
External safeguarding for supply circuit
200 mA delay-action
Output contacts
3 NO contacts, 1 NC contact (Ag alloy)
Switching capacity of the contacts acc. to EN/
IEC 60947-5-1
AC-15: 230 V / 5 A 1.6x10
5
switching cycles
DC-13: 24 V / 3 A 1.3x10
5
switching cycles
Max. continuous current per current path
3 A
Ext. contact fuse protection per current path
5 A quick-action or 3.15 A delay-action
Max. switching frequency
3600 switching cycles/h
Mechanical life time
10 million switching cycles
Pickup delay, manual start
30 ms
Pickup delay, automatic start
300 ms
Regression delay, response time
10 ms
Max. test pulse acceptance
1 ms
Time window for signal sequence monitoring
20 ms
Control voltage/current on S12, S22, S31
24 V DC / 40 mA
Max. input current
100 mA
Admissible input line resistance
< 30
:
Operating temperature
0° … +55°C
Storage temperature
- 25° … +70°C
