SIEMENS
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Siemens IC 10 · 2017
Contactor Assemblies for Star-Delta (Wye-Delta) Starting
SIRIUS 3RA24 contactor assemblies for star-delta (wye-delta) starting, up to 90 kW
3
Rated data of the main contacts
Current-carrying capacity with reversing time
up to 10 s
• Rated operational current
I
e
At 400 V
A
12
17
25
40
55
690 V
A
6.9
9
20.8
22.5
35
• Rated power for three-phase
motors with 50 Hz and 60 Hz
At 230 V
kW
3.3
4.7
7.2
12
16.6
400 V
kW
5.8
8.2
12.5
21
30.1
690 V
kW
5.8
7.5
18
20.4
33
•
Switching frequency
with overload relay
h
-1
15
Current-carrying capacity with reversing time
up to 15 s
• Rated operational current
I
e
At 400 V
A
12
17
25
31
44
690 V
A
6.9
9
20.8
22.5
35
• Rated power for three-phase
motors with 50 Hz and 60 Hz
At 230 V
kW
3.3
4.7
7.2
9.4
13.8
400 V
kW
5.8
8.2
12.5
16.3
24
690 V
kW
5.8
7.5
18
20.4
33
•
Switching frequency
with overload relay
h
-1
15
Current-carrying capacity with reversing time
up to 20 s
• Rated operational current
I
e
At 400 V
A
12
17
25
28
39
690 V
A
6.9
9
20.8
22.5
35
• Rated power for three-phase
motors with 50 Hz and 60 Hz
At 230 V
kW
3.3
4.7
7.2
8.5
12.2
400 V
kW
5.8
8.2
12.5
14.7
21.3
690 V
kW
5.8
7.5
18
20.4
33
•
Switching frequency
with overload relay
h
-1
15
Type
3RA2415
3RA2416
3RA2417
3RA2423
3RA2425
3RA2426
Sizes
S00-S00-S00
S00-S00-S00
S00-S00-S00
S0-S0-S0
S0-S0-S0
S0-S0-S0
© Siemens AG 2016