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3RT1/3RH1 contactors
SIRIUS System Manual
GWA 4NEB 430 0999-02b
3-115
3RT102. contactors for switching motors
1) In acc. with VDE 0660 Part 102, rated value for different startup conditions, see Chapter 4.
Contactor
Frame size
Type
S0
3RT10 23, 3RT10 24
S0
3RT10 25
S0
3RT10 26
Main circuit
Current carrying capacity with alternating current
Utilization category AC-1, switching resistive loads
Rated operational currents
I
e
At 40 °C up to 690 V
At 60 °C up to 690 V
A
A
40
35
40
35
40
35
Rated power
of three-phase loads
2
)
cos
ϕ
= 0.95 (at 60 °C)
At 230 V
400 V
500 V
690 V
kW
kW
kW
kW
13.3
23
29
40
13.3
23
29
40
13.3
23
29
40
Minimum conductor cross-section loaded with
I
e
At 40 °C
60 °C
mm
2
mm
2
10
10
10
10
10
10
2) Resistance-heated industrial furnaces and electric heating appliances, etc. (increased current consumption at startup of heating taken into account).
Contactor
Frame size
Type
S0
3RT10 23
S0
3RT10 24
S0
3RT10 25
S0
3RT10 26
Main circuit
Current carrying capacity with alternating current
Utilization categories AC-2 and AC-3
Rated operational currents
I
e
Up to 400 V
500 V
690 V
A
A
A
9
6.5
5.2
12
12
9
17
17
13
25
18
13
Rated power of motors
with slipring or squirrel-cage rotor at 50 Hz and 60 Hz
At 110 V
120 V
127 V
200 V
220 V
kW
kW
kW
kW
kW
1.1
1.1
1.1
2.2
3
1.5
1.5
1.5
3
3
2.2
2.2
2.2
4
4
3
3
3
5.5
5.5
230 V
240 V
380 V
kW
kW
kW
3
3
4
3
3
5.5
4
4
7.5
5.5
5.5
11
400 V
415 V
440 V
kW
kW
kW
4
4
4
5.5
5.5
5.5
7.5
7.5
9
11
11
11
460 V
500 V
575 V
kW
kW
kW
4
4.5
4.5
5.5
7.5
7.5
9
10
10
11
11
11
660 V
690 V
kW
kW
5.5
5.5
7.5
7.5
11
11
11
11
Thermal stress
10-s current
1
)
A
80
110
150
200
Power loss per conducting path
At
I
e
/AC-3
W
0.4
0.5
0.9
1.6
Utilization category AC-4
(contact service life of approximately 200,000 operating cycles at
I
a
= 6 x
I
e
)
Rated operational currents
I
e
Up to 400 V
690 V
A
A
4.1
3.3
5.5
5.5
7.7
7.7
9
9
Rated power of motors
with squirrel-cage rotor at 50 Hz and 60 Hz
At 110 V
120 V
127 V
200 V
220 V
kW
kW
kW
kW
kW
0.5
0.5
0.5
1.1
1.1
0.73
0.8
0.85
1.3
1.4
1
1.1
1.15
1.8
2
1.2
1.3
1.4
2.2
2.4
230 V
240 V
380 V
kW
kW
kW
1.1
1.1
2
1.5
1.6
2.5
2
2.1
3.5
2.5
2.6
4.2
400 V
415 V
440 V
kW
kW
kW
2
2
2
2.6
2.7
2.9
3.5
3.5
4
4.4
4.6
4.9
460 V
500 V
575 V
kW
kW
kW
2
2
2
3
3.3
3.8
4.2
4.6
5.2
5.1
5.6
6.4
660 V
690 V
kW
kW
2.5
2.5
4.4
4.6
6
6
7.4
7.7
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