Siemens SIRIUS 3RT Series System Manual page 247

Type
Size
Actuation
Switching times at 0.8 to 1.1 x U
Total break time = opening delay + arcing time
AC operation

- Closing delay
- Opening delay
DC operation

- Closing delay
- Opening delay
Arcing time

Switching times at 1.0 x U
AC operation

- Closing delay
- Opening delay
DC operation

- Closing delay
- Opening delay
The OFF-delay times of the NO contacts and the ON-delay times of the NC contacts increase if the contactor coils are
1)
attenuated against voltage peaks (varistor + 2 ms to 5 ms, diode combination: 2x to 6x).
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
1)
S
1)
s
SIRIUS 3RT2 contactors/contactor assemblies
3RT202.-.NB3
S0
ms 60 ... 80
ms 30 ... 45
ms 60 ... 75
ms 30 ... 45
ms 10
ms 65 ... 80
ms 30 ... 45
ms 60 ... 80
ms 30 ... 45
2.8 Technical data
3RT202.-.NF3 3RT202.-.NP3
50 ... 70 60 ... 80
35 ... 45 35 ... 50
50 ... 70 50 ... 75
35 ... 45 40 ... 50
50 ... 70 60 ... 80
35 ... 45 30 ... 50
56 ... 70 60 ... 80
35 ... 45 30 ... 50
247