Catalog LV1 T 2009 Chapter 3 EN

3RT, 3TB, 3TF Contactors for Switching Motors
3RT10 contactors, 3-pole, 3 ... 250 kW
Contactors Type 3RT10 34 3RT10 35 3RT10 36
Main circuit
AC capacity
Size S2 S2 S2
Utilization category AC-5b
Switching incandescent lamps
Per main current path at 230/220 V
kW 6.0 7.6 9.5
Utilization category AC-6a
switching AC transformers
Rated operational current Ie - For inrush current n = 20 Up to 400 V A 31 36.5 43.2
- For inrush current n = 30
Rating P
Up to 400 V A 20.7 24.3 28.8
- For inrush current n = 20 At 230 V kVA 12.3 14.5 17.2
400 V kVA 21.5 25.3 29.9
500 V kVA 26.8 31.6 37.4
690 V kVA 23.9 28.7 28.7
- For inrush current n = 30 230 V kVA 8.2 9.7 11.5
400 V kVA 14.3 16.8 20
500 V kVA 17.9 21 24.9
690 V kVA 23.9 28.7 28.7
For deviating inrush current factors x, the power must be recalculated as follows.
Px = Pn30 ⋅ 30/x
Utilization category AC-6b
Switching low-inductance (low-loss, metallized dielectric) AC capacitors
Ambient temperature 40 °C
Rated operational currents Ie Up to 400 V A 29 36 36
Rated power for single capacitors or
banks of capacitors (minimum inductance
of 20 µH between capacitors
connected in parallel) at 50 Hz, 60 Hz
and
Load rating with DC
Utilization category DC-1
Switching resistive loads (L/R < 1 ms)
Rated operational current I e (at 60 °C)
At 230 V kvar 12 15 15
400 V kvar 20 25 25
525 V kvar 25 33 33
690 V kvar 20 25 25
- 1 conducting path Up to 24 V A 45 55 55
60 V A 20 23 23
110 V A 4.5 4.5 4.5
220 V A 2 2 2
440 V A 0.4 0.4 0.4
600 V A 0.25 0.25 0.25
- 2 conducting paths in series Up to 24 V A 45 55 55
60 V A 45 45 45
110 V A 45 45 45
220 V A 5 5 5
440 V A 1 1 1
600 V A 0.8 0.8 0.8
- 3 conducting paths in series Up to 24 V A 45 55 55
60 V A 45 55 55
110 V A 45 55 55
220 V A 45 45 45
440 V A 2.9 2.9 2.9
Utilization category DC-3 and DC-5
Shunt-wound and series-wound motors (L/R ≤ 15 ms)
600 V A 1.4 1.4 1.4
Rated operational current I e (at 60 °C)
© Siemens AG 2009
- 1 conducting path Up to 24 V A 35 35 35
60 V A 6 6 6
110 V A 2.5 2.5 2.5
220 V A 2 2 2
440 V A 0.1 0.1 0.1
600 V A 0.06 0.06 0.06
- 2 conducting paths in series Up to 24 V A 45 55 55
60 V A 45 45 45
110 V A 25 25 25
220 V A 5 5 5
440 V A 0.27 0.27 0.27
600 V A 0.16 0.16 0.16
- 3 conducting paths in series Up to 24 V A 45 55 55
60 V A 45 55 55
110 V A 45 55 55
220 V A 25 25 25
440 V A 0.6 0.6 0.6
600 V A 0.6 0.6 0.6
Siemens LV 1 T · 2009
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