VH... / VK...
5
Electrical connection
5.1 General electrical connection information
DANGER! Risk of death due to electric current!
The electrical connection should only be carried out by a fully qualified electrician.
Always de-energise the VH... / VK... before connecting the wires of the connecting cable.
CAUTION! Destruction or damage of reed contact!
The max. contact loads mentioned on the type plate refer to pure ohmic loads and may
not be exceeded under any circumstances.
Pay attention to § 1.1.2 Reed contact - Switching of inductive or capacitive loads.
Additional information for the VH...X level switch
The VH...X level switch can be connected as a simple electrical instrument in a certified
intrinsically safe circuit.
The VH...X level switch is equipped with either a elbow plug connector EN 175301-803-A
or a fixed connecting cable.
To prevent electrostatic charging the devices have to be connected to the equipotential
bonding via the elbow plug connector or the fixed connecting cable.
5.2 Plug connector EN 175301-803-A
Loosen the central screw M3x35 and disconnect the cable socket from the connect-
or ( Fig. 5). Pull the central screw out of the cable socket .
Open the core of the cable socket with a screwdriver or similar tool ( Fig. 6).
Loosen the screwed cable gland M16x1,5 ( Fig. 7).
Fig. 5
Insert the supply cable through the screwed cable gland , the pressure ring and the
rubber insert into the cable socket ( Fig. 8).
Connect the wires as displayed in the connection diagram ( Fig. 11).
Press the core into the cable socket until it locks into place.
Put the central screw in the cable socket an tighten the screwed cable gland
M16x1,5 ( Fig. 9).
Plug the cable socket on the connector and tighten the central screw ( Fig. 10).
Technical changes reserved
Fig. 6
Electrical connection
Fig. 7
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