Mounting The Reversing Starter (Size S2) - Siemens SIRIUS Manual

Mounting
7.3 Assembly and disassembly with different mounting systems

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)
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SIRIUS - SIRIUS 3RA load feeders
Manual, 09/2016, A5E03656507520A/RS-AB/003