SED – 024.50 Contact – Free Limit Switch for 2 & 3 valve positions

RX Code: MIL

Remote controlled and 360º visible open/closed position


  • For single and double-acting valve control functions
  • Indicates two or three positions
  • Colored LED light feedback of valve position visible for 360°
  • Contact-Free magnetic measuring design
  • Suitable for linear and rotary actuators
  • Linear stroke measurement of 3-45 mm
  • Backlash free stroke transmission
  • Short circuit proof
  • Compact and robust design
  • Hermetically sealed
  • Easy mounting without additional adapter kits
  • 360° adjustable mounting position
  • Initial programming by light or 24V Signal (5th pin)
  • Set point protection
  • High switching current
  • High chemical resistance

SED LIMIT SWITCH FOR LINEAR AND ROTARY ACTUATORS Limit switches are used to control, monitor and view the position of the valve or to activate other system components.

There are different versions of on/off-limit switches in the market. The most common is based on the principle of mechanical switches, proximity sensors, or potentiometers.

SED has designed and engineered a contact-free limit switch with magnet field measurement technology, which makes it remotely controlled. Apart from lifetime and other features the advanced design allows also a more reliable sealing method.


  • ATEX II 2G Ex / II 2D Ex  / II 3G Ex
  • IO-link
  • Teach-in cable for the programming via the 5th pin
  • M16x1 assembly tread

Read more about Brand: SED

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    Size ¼”- 4”; DN4 – DN100
    Diapgrahms: MA 8 – MA100
    Max pressure 8 bar
    Temp. range -10 C to +70C
    Electrical connection M12, 5-pin A-coded connection
    Power supply and programming 24V DC of 8V DC
    Material Housing: PPSU

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