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Configuration
6.13 Starting three-phase motors with reduced starting current peaks (contactor assembly for star-delta (wye-
delta) start)
Contactor selection for configuring a contactor assembly for star-delta (wye-delta) start
The 3RA24 contactor assemblies have screw or spring-loaded connections and are suitable
for screw and or snap-on mounting on a TH 35 mounting rail. With the fully-wired and tested
3RA24 contactor assemblies, the auxiliary contacts included in the basic devices are freely
available.
The contactor assemblies in sizes S2 to S3 are always supplied with a mounting plate.
Table 6- 8
Screw connection
Rated data for 50 Hz
400 V AC
Power [kW]
Operational
I
current
[A]
e
5.5
12
7.5
16
11
25
11
25
15
32
18.5
40
22
50
22 / 30
45 / 60
37
80
45
86
55
115
55
115
75
150
90
160
150
Size
Motor current
[A]
9.5 ... 13.8
S00-S00-S00
12.1 ... 17
19 ... 25
19 ... 25
S0-S0-S0
24.1 ... 34
34.5 ... 40
31 ... 43
31 ... 43
S2-S2-S0
62.1 ... 77.8
69 ... 86
77.6 ... 108.6 S2-S2-S2
77.6 ... 108.6 S3-S3-S2
120.7 ... 150
86 ... 160
Article number
Line / delta con-
Star contactor
tactor
3RT2015-1....
3RT2015-1....
3RT2017-1....
3RT2015-1....
3RT2018-1....
3RT2016-1....
3RT2024-1...0
3RT2024-1...0
3RT2026-1...0
3RT2024-1...0
3RT2026-1...0
3RT2024-1...0
3RT2027-1...0
3RT2026-1...0
3RT2035-1...0
3RT2026-1...0
3RT2035-1...0
3RT2027-1...0
3RT2036-1...0
3RT2028-1...0
3RT2037-1...0
3RT2035-1...0
3RT2045-1...0
3RT2035-1...0
3RT2045-1...0
3RT2036-1...0
3RT2046-1...0
3RT2037-1...0
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
Manual, 09/2017, A5E03656507120A/RS-AE/006
Complete assembly
3RA2415-8XF31-1...
3RA2416-8XF31-1...
3RA2417-8XF31-1...
3RA2423-8XF32-1...
3RA2425-8XF32-1...
3RA2425-8XF32-1...
3RA2426-8XF32-1...
3RA2434-8XF32-1...
3RA2435-8XF32-1...
3RA2436-8XF32-1...
3RA2437-8XF32-1...
3RA2444-8XF32-1...
3RA2445-8XF32-1...
3RA2446-8XF32-1...
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