Electrical connection
Flow switch type VHS.../VKS...
* To prevent electrostatic charging the VHS...X devices have to be connected to the equipotential
bonding via the plug connector.
3.2 Sensor plug M12x1 (4-pin)
Only use suitable coupling sockets M12x1 for the connection. These are supplied as ac-
cessories either with a directly moulded cable or for self-assembly.
Pin assignment of the plug:
3.3 Fixed connection cable
Connect the connection cable according to the connection diagram ( Fig. 9, Fig. 10):
Flow switch
Type VH3 / VK3
Fig. 9a
* To prevent electrostatic charging the VH3...X devices have to be connected to the equipotential
bonding via the fixed connecting cable.
- 26 -
Standard contact:
Flow switch
Type VH3...X
Flow switch type VHS...X
Fig. 7
Fig. 8
Fig. 9b
© SIKA • Ea3000_FlowSwitch • 03/2021
VH / VK
Changeover contact:
Only flow switch
Type VH3...
Fig. 10