SIRIUS momentary-contact foot switch
The Siemens 3SE3934-5CB20 is a SIRIUS momentary-contact foot switch with two actuation pedals, plastic total-insulation enclosure rated IP65. It switches one step per pedal, no latching or interlock. Cable entry is a 3 m pre-wired cable; fastening is screw fixing to the floor or panel.
Fit and mounting
Footprint is 212 mm wide × 108 mm high × 34 mm deep. Screw-down mounting through the enclosure base. Surface mounting to a machine base or control pedestal — no DIN rail provision. Cable exits through a fixed gland; the 3 m length allows routing to a nearby junction box.