Siemens SIRIUS 3RW55 Equipment Manual page 57

• 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.
• Screwdriver (depending on the drive of the screws)
• If necessary, use shims and snap rings.
• For size 5, mounting with a crane (optional): Crane load attachment with 4 hooks
Size
Size 1
Size 2
Size 3
Size 4
Size 5
The following diagram shows the minimum clearances for the 3RW55 and 3RW55 Failsafe soft
starters:
Procedure for sizes 1 to 4
Heavy device
Device can cause injury if it falls.
Always ask a second person to help you transport, install and remove a heavy device. Use
suitable lifting equipment and wear personnel protective equipment.
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006
4.3 Mount the 3RW55 and 3RW55 Failsafe soft starters on a level surface
Article No.
3RW551.-.....
3RW552.-.....
3RW553.-.....
3RW554.-.....
3RW555.-.....
CAUTION
Mounting and dismantling
Screws Tightening torque
M6 5 Nm
M8 8 Nm
M12 35 Nm
57