Gebrüder Frei GmbH & Co.
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Key switch

3ZNA Key switch


The main use of the 3ZNA key switch is in electrically powered vehicles where the supply voltage is typically switched on and off. When the key is turned to the ON position, the three 6.3 x 0.8 flat-blade terminals on the base are connected. The key can only be removed in the OFF position. The key bow can come in different colours and with customised logos.

  • Two key positions (OFF – ON)
  • Key can only be removed in the OFF position
  • Current-carrying capacity up to 16 amperes
  • Four different lock cylinders
  • Three 6.3 x 0.8 mm flat-blade terminals
  • For mounting hole with a diameter of 22.5 mm
  • Protection class: IP 23 (front)


Gebrüder Frei
GmbH & Co. KG

Borsigstraße 15
72461 Albstadt

Control Systems for Transport Technology
Tel. +49.7432.202-222
Fax +49.7432.202-299


TEMO Tiller head

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