Siemens SIRIUS 3RF Series

SIRIUS 3RT2 contactors/contactor assemblies
2.8 Technical data
SIRIUS Innovations
252 System Manual, 01/2011, A8E56203870002-03
2.8.1.11 Main circuit - 3RT202. contactors (current carrying capacity for direct current)
Table 2- 90 Main circuit - Current carrying capacity for direct current (3RT202. contactors)
Type 3RT20
23
3RT20
24
3RT20
25
3RT20
26
3RT20
27
3RT20
28
Size S0
Main circuit - Current carrying capacity for direct current
Utilization category DC-1, switching resistive loads (L/R ≤1 ms)
 Rated operational current I
e
(at 60 °C)
Up to 24 V A 35
60 V A 20
110 V A 4.5
220 V A 1
440 V A 0.4
- 1 current path
600 V A 0.25
Up to 24 V A 35
60 V A 35
110 V A 35
220 V A 5
440 V A 1
- 2 current paths in series
600 V A 0.8
Up to 24 V A 35
60 V A 35
110 V A 35
220 V A 35
440 V A 2.9
- 3 current paths in series
600 V A 1.4
Utilization category DC-3 and DC-5, shunt-wound and series-wound motors (L/R ≤ 15 ms)
Rated operational current I
e
(at 60 °C)
Up to 24 V A 20
60 V A 5
110 V A 2.5
220 V A 1
440 V A 0.09
- 1 current path
600 V A 0.06
Up to 24 V A 35
60 V A 35
110 V A 15
220 V A 3
440 V A 0.27
- 2 current paths in series
600 V A 0.16