Siemens SIMATIC S7-1500 Manual page 27

Details on the number of switching cycles
The following tables list the permissible number of switching cycles depending on the applied
voltage and current load. Different values apply in each case to resistive and inductive loads.
Table 6- 1
For resistive load
Voltage
24 V DC
60 V DC
120 V DC
24 V AC
48 V AC
60 V AC
120 V AC
230 V AC
Table 6- 2
For inductive load
Voltage
24 V DC
60 V DC
120 V DC
24 V AC
48 V AC
60 V AC
120 V AC
230 V AC
Digital output module DQ 16x230VAC/2A ST Relay (6ES7522-5HH00-0AB0)
Manual, 03/2015, A5E34934019-AA
Switching capacity and service life of relay contacts for resistive load
Current
2.0 A
1.0 A
0.5 A
0.5 A
0.2 A
1.5 A
1.5 A
1.0 A
2.0 A
1.0 A
0.5 A
2.0 A
1.0 A
0.5 A
Switching capacity and lifetime of the relay contacts for inductive load
Current
2.0 A
1.0 A
0.5 A
0.5 A
0.2 A
1.5 A
1.5 A
1.5 A
2.0 A
1.0 A
0.5 A
2.0 A
1.0 A
0.5 A
Technical specifications
Number of switching cycles
(typ.)
0.1 million
0.2 million
1.0 million
0.2 million
0.6 million
1.5 million
1.5 million
1.5 million
1.0 million
1.5 million
2.0 million
1.0 million
1.5 million
2.0 million
Number of switching cycles
(typ.)
0.05 million
0.1 million
0.5 million
0.1 million
0.3 million
1.0 million
1.0 million
1.0 million
0.7 million
1.0 million
1.5 million
0.7 million
1.0 million
1.5 million
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