Siemens sirius System Manual page 229

3RT10 4. contactors for switching motors
Contactor Frame size
Type
Main circuit
Current carrying capacity with alternating current
Utilization category AC-1, switching of resistive
loads
Rated operational currents I
e
Rated power
2
of three-phase loads )
cos ϕ = 0.95 (at 60 °C)
Minimum conductor cross-section loaded with I
Utilization categories AC-2 and AC-3
Rated operational currents I
e
Rated power of motors
with slipring or squirrel-cage rotor at 50 Hz and 60 Hz
Thermal stress
Power loss per conducting path
Contactor Frame size
Type
Main circuit
Current carrying capacity with alternating current
Utilization category AC-4 at I = 6 x I
a
Rated operational current I
e
Rated power of motors
with squirrel-cage rotor at 50 Hz and 60 Hz
The following applies for a contact service life of approximately
200,000 operating cycles:
Rated operational currents I
e
Rated power of motors
with squirrel-cage rotor at 50 Hz and 60 Hz
1) In acc. with VDE 0660 Part 102, rated values for different startup conditions, see Chapter 4.
2) Resistance-heated industrial furnaces and electric heating appliances, etc. (increased current consumption at startup of heating taken into account).
SIRIUS System Manual
GWA 4NEB 430 0999-02b
At 40 °C up to 690 V
At 60 °C up to 690 V
At 230 V
e
Up to 400 V
at 230 V
10-s current
With I
e
Up to 400 V
At 400V
Up to 400 V
At 230 V
S3
3RT10 44
A 100
1000 V A 50
A 90
1000 V A 40
kW 34
400 V kW 59
500 V kW 74
690 V kW 102
1000 V kW 66
2 35
mm
At 40 °C
2
60 °C
mm 35
A 65
500 V A 65
690 V A 47
1000 V A 25
kW 18.5
400 V kW 30
500 V kW 37
690 V kW 55
1000 V kW 30
1
) A 600
/AC-3 W 4.6
e
S3
3RT10 44
A 55
kW 30
A 28
690 V A 28
1000 V A 20
kW 8.7
400 V kW 15.1
500 V kW 18.4
690 V kW 25.4
1000 V kW 22
3RT1/3RH1 contactors
S3 S3
3RT10 45 3RT10 46
120 120
60 70
100 100
50 60
38 38
66 66
82 82
114 114
82 98
50 50
35 35
80 95
80 95
58 58
30 30
22 22
37 45
45 55
55 55
37 37
760 760
7 .7 10.8
S3 S3
3RT10 45 3RT10 46
66 80
37 45
34 42
34 42
23 23
10.4 12
17 .9 22
22.4 27
30.9 38
30 30
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