Siemens SIRIUS System Manual

3RT1/3RH1 contactors
SIRIUS System Manual
3-108
GWA 4NEB 430 0999-02b
Locking device for 3RA reversing switch
Figure 3-103: 3RA1924-2B (frame sizes S0 to S3) 3RA1924-1A (frame sizes S0 to S3)
3RA14 contactor combinations for star-delta starting
Figure 3-104: Contactor combinations for star/delta (frame sizes S00 - S00 - S00)
Figure 3-105: Contactor combinations for star/delta (frame sizes S0 - S0 - S0)
Figure 3-106: Contactor combinations for star/delta (frame sizes S2 - S2 - S0)
111
122
112
121
10
25 80.555
NC
36
29
16
44
45
48.5
34
2.5
K2
K3
K4
(
AC+DC
)
NSB00779
71
135
143
5
67
140
(
DC
)
K1
K3
K2
K4
NSB00780
158
88
130
(
AC
)
5
K2
K3
K4K1
NSB00781
10
184
(
DC
)
7
150
125
140
178
169
(
AC
)

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