KBox A-203-sXAL4 – User Guide Preliminary Rev. 0.2
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Additional Safety Instructions for DC Power Supply Circuits
To guarantee safe operation, please observe that:
the external DC power supply must meet the criteria for LPS and PS2 (UL/IEC 62368-1)
no cables or parts without insulation in electrical circuits with dangerous voltage or power should be
touched directly or indirectly
a reliable protective earthing connection is provided
a suitable, easily accessible disconnecting device is used in the application (e.g. overcurrent protective
device), if the product itself is not disconnect able
a disconnect device, if provided in or as part of the product, shall disconnect both poles simultaneously
interconnecting power circuits of different products cause no electrical hazards
A sufficient dimensioning of the power cable wires must be selected – according to the maximum electrical
specifications on the product label – as stipulated by EN62368-1 or VDE0100 or EN60204 or UL61010-1
regulations.
