Siemens SIRIUS System Manual

3RT1/3RH1 contactors
SIRIUS System Manual
GWA 4NEB 430 0999-02b
3-17
Characteristic curve:
contact service life of
the main contacts
The characteristic curves illustrate the contact service life of the main con-
tacts of contactors when switching inductive three-phase loads (AC-3).
I
a
= breaking current
I
e
= rated operational current
P
N
=
rated output of three-phase induction motors with squirrel cage at
400 V
Frame size S00
Figure 3-3: Characteristic curve of the electrical service life of the main contacts (frame size S00)
Frame size S0
Figure 3-4: Characteristic curve of the electrical service life of the main contacts (frame size S0)
10
8
6
4
2
10
8
6
4
2
10
8
6
4
2
10
7
6
5
4
6
4
2
10
8
6
4
2
10
8
6
4
2
10
8
6
5
4
8
6
4
2
10
8
6
4
2
10
8
6
4
2
10
6
5
4
10
8
6
4
2
10
8
6
4
2
10
8
6
4
2
7
6
5
2
3 4 5 8 10 20 50 60 80
912
40
NSB00473a
4
I
(A)
a
I
(A)
e
P
(kW)
N
7
3
6
5,5
3RT1015
(3 kW)
3RT1016, 3RT1017
(4 kW, 5,5 kW)
690 V 500 V 230 V 400 V
Contactor type
Operating cycles at
12 17
3RT1024
25
3RT1025
3RT1026
11
P
N
(11 kW)
10 20 30 40 50 60 80 100
(A)
I
a
I
e
(A)
(kW)
(5,5 kW) (7,5 kW)
34
5
68
9
4
3RT1023
(4 kW)
NSB00474a
10
8
6
4
2
10
8
6
4
2
10
8
6
4
2
7
6
5
4
6
4
2
10
8
6
4
2
10
8
6
4
2
10
8
6
5
4
8
6
4
2
10
8
6
4
2
10
8
6
4
2
10
6
5
4
10
8
6
4
2
10
8
6
4
2
10
8
6
4
2
7
6
5
690 V 500 V 230 V 400 V
10
Contactor type
5,5 7,5
Operating cycles at

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