Level limit switch
Series CN 4000
Technical Information / Instruction manual
page
External equipotential
bonding terminal
Connect external terminal on the
housing with equipotential
bonding of the plant.
Cable glands and conduit
system
• Installation according to the regulations of the country, where the product is installed.
• Not used entries have to be closed with blanking elements certified for this purpose.
• Where applicable the factory provided parts must be used.
• A strain relief must be provided for the field wiring cables, when the device is installed with the
factory provided cable glands.
• The diameter of the field wiring cable must match to the clamping range of the cable clamp.
• If other than the factory provided parts are used, following must be ensured:
The parts must have an approval adequate to the approval of the level sensor (certificate and type of
protection). The approved temperature range must be from the min. ambient temperature of the level
sensor to the max. ambient temperature of the level sensor increased by 10 K.
The parts must be mounted according to the instructions of the supplier.
Commissioning
Commissioning only with closed lid.
Opening the lid
Before opening the lid take care, that no dust deposits or whirlings are present.
Do not remove the lid (cover) while circuits are alive.
Additional Safety Instructions for Hazardous Locations
Electrical installation
Capanivo
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CN 4000
gi011217
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