Siemens SIRIUS System Manual

3RT1/3RH1 contactors
SIRIUS System Manual
GWA 4NEB 430 0999-02b
3-121
3RT10 4. contactors for switching motors
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).
Contactor Frame size
Type
S3
3RT10 44
S3
3RT10 45
S3
3RT10 46
Main circuit
Current carrying capacity with alternating current
Utilization category AC-1, switching of resistive
loads
Rated operational currents
I
e
At 40 °C up to 690 V
1000 V
At 60 °C up to 690 V
1000 V
A
A
A
A
100
50
90
40
120
60
100
50
120
70
100
60
Rated power
of three-phase loads
2
)
cos
ϕ
= 0.95 (at 60 °C)
At 230 V
400 V
500 V
690 V
1000 V
kW
kW
kW
kW
kW
34
59
74
102
66
38
66
82
114
82
38
66
82
114
98
Minimum conductor cross-section loaded with
I
e
At 40 °C
60 °C
mm
2
mm
2
35
35
50
35
50
35
Utilization categories AC-2 and AC-3
Rated operational currents
I
e
Up to 400 V
500 V
690 V
1000 V
A
A
A
A
65
65
47
25
80
80
58
30
95
95
58
30
Rated power of motors
with slipring or squirrel-cage rotor at 50 Hz and 60 Hz
at 230 V
400 V
500 V
690 V
1000 V
kW
kW
kW
kW
kW
18.5
30
37
55
30
22
37
45
55
37
22
45
55
55
37
Thermal stress
10-s current
1
) A 600 760 760
Power loss per conducting path
With
I
e
/AC-3 W 4.6 7.7 10.8
Contactor Frame size
Type
S3
3RT10 44
S3
3RT10 45
S3
3RT10 46
Main circuit
Current carrying capacity with alternating current
Utilization category AC-4
at
I
a
= 6 x
I
e
Rated operational current
I
e
Up to 400 V A 55 66 80
Rated power of motors
with squirrel-cage rotor at 50 Hz and 60 Hz
At 400V kW 30 37 45
The following applies for a contact service life of approximately
200,000 operating cycles:
Rated operational currents
I
e
Up to 400 V
690 V
1000 V
A
A
A
28
28
20
34
34
23
42
42
23
Rated power of motors
with squirrel-cage rotor at 50 Hz and 60 Hz
At 230 V
400 V
500 V
690 V
1000 V
kW
kW
kW
kW
kW
8.7
15.1
18.4
25.4
22
10.4
17.9
22.4
30.9
30
12
22
27
38
30

Siemens SIRIUS Specifications

General

Product brand name	Siemens
Series	SIRIUS
Coil Voltage	24V DC, 110V AC, 230V AC
Switching Capacity	Up to 10A
Mounting Type	DIN rail
Product designation	SIRIUS
Contact Material	Silver alloy
Contact Rating	Varies depending on the specific SIRIUS relay model (e.g., 6 A at 250 V AC, 10 A at 250 V AC)
Switching Voltage	Varies depending on the specific SIRIUS relay model (e.g., 250 V AC, 400 V AC)
Mechanical Life	Up to 10 million operations
Electrical Life	Up to 100, 000 operations
Operating Temperature	-25°C to +55°C
Protection Class	IP20
Size of relay base	Varies depending on the specific SIRIUS relay model