Siemens SIRIUS 3RW52 - Mounting the 3 RW52 Soft Starter on a Level Surface

Mounting and dismantling
4.3 Mounting the 3RW52 soft starter on a level surface
SIRIUS 3RW52 Soft Starter
56 Equipment Manual, 04/2020, A5E35630451002A/RS-AE/005
4.3 Mounting the 3RW52 soft starter on a level surface
Requirements
Ⴠ Comply with the mounting positions and ambient conditions stated on the data sheet.
Ⴠ Comply with the minimum clearances indicated in the following diagram.
Ⴠ Level surface, e.g. sufficiently strong mounting plate
Ⴠ 4 properly executed drill holes with thread or plug on the level surface.
Ⴠ 4 screws of suitable size and with regular thread for insertion into the selected mounting
plate or wall.
Use an additional 4 washers if the head of the screw is smaller than the specified
diameter.
Ⴠ Screwdriver (depending on the drive of the screws)
Ⴠ If necessary, use shims and snap rings.
Size
Article number
Screws
Tightening torque
Size 1
3RW521.-.....
M6 5 Nm
Size 2
3RW522.-.....
Size 3
3RW523.-.....
Size 4 3RW524.-..... M8 8 Nm
The following figure shows the minimum clearances for the 3RW52 soft starter: