Siemens SIRIUS System Manual

3RT1/3RH1 contactors
SIRIUS System Manual
3-48
GWA 4NEB 430 0999-02b
Control circuit: S00
Figure 3-26: Star-delta combination, control circuit (frame size S00)
Control circuit: S0 to S3
Figure 3-27: Star-delta combination, control circuit (frame sizes S0 to S3)
S0 "Off" button F0 Fuses
S1 "On" button F1 Overload relay
S Continuous contact maker
K1 Line contactor
K2 Star contactor
K3 Delta contactor
K4 Time-delay auxiliary switch block or time relay
Technical specifications
The technical specifications of the star-delta combinations correspond to
those of the basic units for the corresponding frame size.
Pushbutton switch control
Continuous contacting
F0
K1
K3
K2
NSB00644
95
N(L )
L1(L+)
21
22
K3
S
F1
96
AC 50Hz (DC) ...V
21
K2
22
28
38
37
K4
27
K4
14
13
K1
F0
K1 K3
K2
NSB00643
14
95
N
(
L
)
L1
(
L+
)
13
21
22
K4
K3
K1
S1
S0
F1
96
AC 50Hz
(
DC
)
...V
21
22
K2
28
38
37
K4
27
Pushbutton switch control Continuous contacting
F0
K1K3K2
95
L1(L+)
34
33 13
14
K1 K2
37
38
28
21
22
K4
11
12
27
K2K3
43
44
K1
S1
S0
F1
K4
N(L )
96
AC 50Hz (DC) ...V
F0
K1K3K2
95
L1(L+)
34
33 13
14
K1 K2
37
38
28
21
22
K4
11
12
27
K2K3
43
44
K1
S
F1
K4
N(L )
96
AC 50Hz (DC) ...V

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