Definition Of Installation Categories - CATU PE C'DiagTouch CP-100C Manual De Instrucciones

housing must be opened are to be entrusted to qualified and authorised personnel
only. To guarantee correct and safe use of the device, and for any maintenance
operations, the personnel must adhere to the standard safety procedures.
THE CONTROLLER PLUG MUST BE USED IN ORDER TO MAINTAIN
COMPATIBILITY WITH THE OPERATING CATEGORY CATIII - 600 V. WITHOUT
THIS PROTECTION, THE PRODUCT CAN ONLY BE USED UNDER CATII - 600 V.
CAT III

Definition of installation categories

CAT III (measurement category III): It is the building's electrical installation
environment including sockets, fuse panels, etc.
CAT II (measurement category II): It is the environment of the circuits connected to
the outlets and other similar parts which are not an integral part of the electrical
installation. This includes for example household electrical appliances.
• With plug class III device.
CAT II
• Without plug class II device.
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