Catalog LV1 T 2009 Chapter 3 EN

■ Technical specifications
SIRIUS controls are climate-proof and are suitable and tested for
use worldwide.
If the devices are used in ambient conditions which deviate from
common industrial conditions (EN 60721-3-3 "Stationary Use,
1) Snap-on auxiliary switch blocks for size S00 and laterally mountable auxiliary
switch blocks for S0 to S12: 6 A.
© Siemens AG 2009
3RT, 3TB, 3TF Contactors for Switching Motors
3RT10 contactors, 3-pole, 3 ... 250 kW
Weather-Protected"), the manufacturer must be consulted about
possible restrictions with regard to the reliability and endurance
of the device and possible protective measures.
Contactors Type 3RT1
Size S00 ... S12
Rated data of the auxiliary contacts
Acc. to IEC 60947-5-1/EN 60947-5-1 (VDE 0660 Part 200)
The data apply to integrated auxiliary contacts and contacts in the auxiliary
switch blocks for contactor sizes S00 to S12 1)
Rated insulation voltage Ui (degree of pollution 3)
For 3RH19 21-. laterally mountable auxiliary switch blocks
V
V
690
Max. 500
Continuous thermal current Ith =
Rated operational current Ie /AC-12
AC load
Rated operational current Ie /AC-15/AC-14
A 10
For rated operational voltage Ue 24 V
110 V
A
A
6
6
125 V A 6
220 V A 6
230 V A 6
380 V A 3
400 V A 3
500 V
660 V
A 2
2) 690 V
A 1
2)
DC load
Rated operational current Ie /DC-12
A 1
For rated operational voltage Ue 24 V
60 V
A
A
10
6
110 V A 3
125 V A 2
220 V A 1
440 V
600 V
A 0.3
2)
Rated operational current Ie/DC-13 A 0.15
For rated operational voltage Ue 24 V A 10 1)
60 V A 2
110 V A 1
125 V A 0.9
220 V A 0.3
440 V
600 V
A 0.14
2)
A 0.1
Contact reliability at 17 V, 1 mA
Frequency of contact faults < 10
acc. to EN 60947-5-4
-8 i. e. < 1 fault per 100 million
Endurance of the auxiliary contacts
operating cycles
It is assumed that the operating mechanisms are switched randomly, i. e.
not synchronized with the phase angle of the supply system.
30
NSB0_00472
The contact endurance is mainly dependent on the breaking current.
Basic unit
The characteristic curves apply to:
Integrated auxiliary contacts on 3RT10
Auxiliary switch blocks 3RH19 11, 3RH19 21 for contactors of size S00
to S12
10
5
4
3
2
Basic unit
with aux.
block
snapped on
1
0,5
DC-13
220 V
DC-13
110 V
AC-15/AC-14
Million operating cycles (10 6 )
0,1
0,05
DC-13
24 V
0,01
0,01 0,03 0,05 0,1 0,3 0,5 1 2 3 5 6 7 10 Ia
(A)
I e -DC-13 I e -DC-13 I e -AC-15 I e -DC-13
220 V 110 V
< 230 V 24 V
Diagram legend:
Ia = Breaking current
Ie = Rated operational current
2)
Up to 500 V switching capacity for laterally mountable auxiliary switch
blocks.
1)
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