Siemens SIRIUS User Manual

Mounting
7.3 Assembly and disassembly with different mounting systems
SIRIUS - SIRIUS 3RA load feeders
106 Manual, 09/2016, A5E03656507520A/RS-AB/003
Mounting the reversing starter (size S2)
The figure below shows the work steps for mounting the reversing starter in screw-type
connection system (size S2).
① Hook the pre-assembled feeder into the upper hooking position of the motor starter protector, and swivel the feeder
to the busbar adapter.
② Press the locking device on the contactor down with a screwdriver.
③ Push the feeder onto the DIN rail of the busbar adapter.
④ Screw the contactor tight diagonally into the mounting plate openings provided using two M4 screws.
Tightening torque: 1.2 ... 1.5 Nm
⑤ Insert the connecting cables into the corresponding main conductor terminals. Screw the main conductor terminals
tight.
Figure 7-46 Mounting on the busbar adapter (reversing starter, screw-type connection system, size S2)

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