Servomotors 1FS6

Active marketing of SIMOTICS S-1FS6 servo motors for operation in Ex-Zone 1 (ATEX) has been discontinued.
Siemens offers explosion-proof servo motors for operation in Zone 2 and Zone 22 (ATEX) as part of the SIMOTICS S-1FK7 series with the options M03 and M39.


The 1FS6 motors are permanent-magnet synchronous motors for use in Zone 1 hazardous areas. They are designed in compliance with the EEx de II C T3 degree of protection and certified according to the ATEX guidelines 94/9/EG and also have CSA Approval for Class 1, Zone 1, Temperature Class T3 (CAN / CSA 79-1-95 "Flameproof Enclosure")

1FS6 explosion-protected synchronous motors - for use in Zone 1 hazardous areas

  • Certified according to ATEX guidelines 94/9/EG

  • Natural cooled motor
    with separate terminal boxes for power, encoder system and temperature sensors

1FS6 explosion-protected synchronous motors - overview of the product range

* Depending on the version and type
"The detailed technical data can be found on the right-hand side via All about... --> Technical Info --> Technical Overview"

Rated speed*:

1,500 - 6,000 rpm

Rated power*:

1.2 - 12.4 kW

Static torque*:

7.6 - 76 Nm

1FS6 explosion-protected synchronous motors - typical areas of application

  • For all industrial sectors and machines in Zone 1 hazardous areas

  • Production machines (e.g. flexographic printing and platen-printing machines,
    bottling lines, lacquering and film coating plants)