Siemens SIRIUS - Page 239

3RT1/3RH1 contactors
SIRIUS System Manual
GWA 4NEB 430 0999-02b
3-131
1)Corresponds to IEC 60 947-4 (VDE 0660 Part 102):
Coordination type "1":
The destruction of the contactor and the overload relay is permissible. The contactor and/or overload relay must be replaced, if necessary.
Coordination type "2":
The overload relay must not be damaged. Contact welding on the contactor is permissible, if it can easily be separated again from the contactor.
2)Up to
I
k
≤
0.5 kA;
≤
260 V.
3RA14 contactor combinations for star-delta starting
Starter Frame sizes
S.. - S.. - S..
Type
3RA . . . .
00-00-00
14 15
00-00-00
14 16
0-0-0
14 23
0-0-0
14 25
2-2-0
14 34
2-2-2
14 35
2-2-2
14 36
3-3-2
14 44
3-3-2
14 45
Current carrying capacity for the AC-3 utili-
zation category
Switchover time to 20 s
Rated operational current At 400 V
500 V
690 V
A
A
A
12
8.7
6.9
17
11.3
9
25
20.8
20.8
28
28
22.5
39
39
39
51
51
51
57
57
57
85
85
85
92
92
92
Rated power
of three-phase induction motors
at 50 Hz and
At 230 V
400 V
500 V
690 V
1000 V
kW
kW
kW
kW
kW
3.3
5.8
5.3
5.8
–
4.7
8.2
6.9
7. 5
–
7. 2
12.5
13
18
–
8.5
14.7
18.4
20.4
–
12.2
21.3
26.7
37
–
16.3
28
35
49
–
18.4
32
40
55
–
28
48
60
83
–
30
52
65
90
–
Switching frequency
with overload relay 1/h 15 15 15 15 15 15 15 15 15