Siemens SIRIUS - Mounting the Reversing Starter (Size S2)

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)