NES
page 6
NES K05/0922
7. Electrical Connection
7.1 Conductive Level Switch (Electrodes with screw in thread
and housing)
The Conductive Level Switch is supplied with built-in terminal block for
electrical connection.
Numbering: shortest electrode 1; second-shortest electrode 2, etc.
The Conductive Level Switch can only be used in conjunction with a suitable
electrode relay (e.g. NE-104 or NE-304).
Ensure that the cable gland and the housing cover of the limit switch
are strongly tightened after connection.
Maximum cable length: 300 m, minimum cross-section 0,5 mm².
Starting at a cable length of approx. 15 m and for EMC critical
installation environment, a screened and low capacity cable must be
used which is connected to an adequate shiled ground