Siemens SIRIUS - Page 235

3RT1/3RH1 contactors
SIRIUS System Manual
GWA 4NEB 430 0999-02b
3-127
1) With AC drive: 25 A
DC drive: 20 A.
2) At U
s
> 24 V the rated operational currents I
e
for the conducting paths of the NC contacts are 50% of the values for the conducting paths of the NO
contacts.
3RT15 contactors, 4-pole (2 NO contacts + 2 NC main contacts)
Contactor Frame size
Type
S00
3RT15 16
S00
3RT15 17
S0
3RT15 26
S2
3RT15 35
Current carrying capacity with alternating current
Utilization category AC-1, switching of resistive
loads
Rated operational currents
I
e
(at 40 °C)
(at 60 °C)
Up to 690 V
Up to 690 V
A
A
18
16
22
20
40
35
55
50
Rated power of three-phase loads
cos
ϕ
= 0.95 (at 40 °C) At 230 V
400 V
kW
kW
6.5
11
7. 5
13
15
26
20
36
Minimum conductor cross-section loaded with
I
e
At 40 °C
and 60 °C
mm
2
2.5 2.5 10 16
Utilization categories AC-2 and AC-3
Rated operational currents
I
e
(at 60 °C) Up to 400 V A 9 12 25
1
)40
Rated power of motors
with slipring or squirrel-cage rotor at 50 Hz and 60 Hz and At 230 V
400 V
kW
kW
3
4
3
5.5
5.5
11
9.5
18.5
Current carrying capacity with direct current
Utilization category DC-1,
switching of resistive loads (L/R
≤
1 ms)
Rated operational current
I
e
(at 60 °C)
Number of conducting paths in series connection 1 2 1 2 1 2 1 2
Up to 24 V
60 V
110 V
A
A
A
16 16
16 16
2.1 12
20 20
20 20
2.1 12
35 35
20 35
4.5 35
50 50
23 45
4.5 45
220 V
440 V
A
A
0.8 1.6
0.6 0.8
0.8 1.6
0.6 0.8
15
0.4 1
15
0.4 1
Utilization categories DC-3 and DC-5
2
)
,
shunt and series motors (L/R
≤
15 ms)
Rated operational current
I
e
(at 60 °C)
Number of conducting paths in series connection 1 2 1 2 1 2 1 2
Up to 24 V
60 V
110 V
A
A
A
16 16
0.5 5
0.15 0.35
20 20
0.5 5
0.15 0.35
20 35
535
2.5 15
35 50
645
2.5 25
220 V
440 V
A
A
0.75 1.5
---- ----
0.75 1.5
---- ----
13
0.09 0.27
15
0.1 0.27