Siemens SIRIUS 3RT Series System Manual page 253

Type
Size
Main circuit - Current carrying capacity for direct current
- 3 current paths in series
Switching frequency
Switching frequency z in operating cycles/hour
Contactors without overload

relay
Dependency of switching
frequency z'on operational
current I' and operational
voltage U':
z' = z ⋅(Ie/I') ⋅(400 V/U')1.5 ⋅1/h
Contactors with overload relay (mean value)

SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
Up to 24 V A
60 V A
110 V A
220 V A
440 V A
600 V A
No-load switching h
-1
frequency AC
No-load switching h
-1
frequency DC
AC-1 (AC/DC) h
-1
AC-2 (AC/DC) h
-1
AC-3 (AC/DC) h
-1
AC-4 (AC/DC) h
-1
h
-1
SIRIUS 3RT2 contactors/contactor assemblies
3RT20 3RT20 3RT20
23 24 25
S0
35
35
35
10
0.6
0.6
5000
1500
1000
1000
1000
300
15
2.8 Technical data
3RT20 3RT20 3RT20
26 27 28
750
750
250
253