for application in explosive atmosphere

The electromagnetic retiring cam EMT81-EX is suited for the application in explosive atmosphere and is used for the actuation of door interlocks at lifts. It is mounted on the car roof.


  • robust and precise
  • infinite variability of the cam
  • magnet varnished, cam parts galvanized
  • changeable from left hand position to right hand position

Order information codes

Technical data

norms IEC/EN 60079-0, IEC/EN 60079-7, IEC/EN 60079-18, IEC/EN 60079-31
duty cycle 100%
stroke 30 mm
actuation force 52 N
pull-in / holding current at 24 V DC: 2.16 A / 2.16 A at 205 V DC: 0.25 A / 0.25 A
connection screw terminal, cable gland with EX-screwed cable gland M16x1.5
level of protection IP54
ambient air temperature 0 °C up to +40 °C (version for temperatures < 0 °C on request)
customary position magnet keeper horizontal (as shown)
material magnet varnished, cam made of galvanized steel
weight 12 kg



declaration of conformity
DE / EN / FR / 2021

type examination certificate