SIEMENS
3/19
Siemens IC 10 · 2017
Power Contactors for Switching Motors
SIRIUS 3RT contactors, 3-pole up to 250 kW
3
■
Technical specifications
1)
3RH22, 3RH29, 3RT2...-
....
4, 3RT2...-
....
6:
I
e
= 6 A at AC-15/AC-14 and
DC-13.
2)
For laterally mountable auxiliary switch blocks, only the rated operational
voltages up to 500 V apply.
3)
For laterally mountable auxiliary switch blocks, DC-13/at 24 V: Max. 6 A.
More information
Technical specifications
, see
FAQs,
Manuals,
see
•
System Manual "SIRIUS – System Overview",
•
Manual "SIRIUS – SIRIUS 3RT Contactors/Contactor Assemblies",
•
Application Manual "SIRIUS Controls with IE3/IE4 motors,
Type
3RT20 contactors
3RT10
Size
S00 to S2
S3
S6 to S12
Rated data of the auxiliary contacts
acc. to IEC 60947-5-1/EN 60947-5-1
Data applies to integrated auxiliary contacts and conventional
contacts in the auxiliary switch blocks
Rated insulation voltage
U
i
(pollution degree 3)
V
690
1 000
(3RT20. .-0CC0: 690)
--
• For laterally mountable auxiliary switch blocks
V
690
690
500
• For front mountable auxiliary switch blocks
V
690
690
690
Conventional thermal current
I
th
=
Rated operational current
I
e
/AC-12
A
10
AC load
Rated operational current
I
e
/AC-15/AC-14
• For rated operational voltage
U
e
Up to 230 V
A
10
1)
6
6
400 V
A
3
3
500 V
A
2
2
690 V
A
1
1
2)
DC load
Rated operational current
I
e
/DC-12
• For rated operational voltage
U
e
24 V
A
10
10
60 V
A
6
6
110 V
A
3
3
125 V
A
2
2
220 V
A
1
1
440 V
A
0.3
0.3
600 V
A
0.15
0.15
2)
Rated operational current
I
e
/DC-13
• For rated operational voltage
U
e
24 V
A
10
1)
10
3)
60 V
A
2
2
110 V
A
1
1
125 V
A
0.9
0.9
220 V
A
0.3
0.3
440 V
A
0.14
0.14
600 V
A
0.1
0.15
2)
Contact reliability
at 17 V, 1 mA
according to IEC 60947-5-4/EN 60947-5-4
Frequency of contact faults < 10
-8
i. e. < 1 fault per 100 million operating
cycles
© Siemens AG 2016