KISS 4U V3 SKX – Preliminary Rev. 0.6
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Additional safety instructions for DC power supply circuits
To guarantee safe operation of products with DC power supply voltages larger than 60 volts DC or a power
consumption larger than 120 VA, observe that:
Product is set up, installed and operated in a room or enclosure marked with “RESTRICTED ACCESS”, if there
are no safety messages such as safety signs and labels on the product.
Do not touch either directly or indirectly, cables or parts without insulation in electrical circuits with
dangerous voltage or power.
Reliable protective earth connection is provided
Suitable, easily accessible disconnecting device is used in the application (e.g. overcurrent protective device),
if the product cannot be disconnected
A disconnect device, if provided in or as part of the equipment, must disconnect both poles simultaneously
Interconnecting power circuits of different devices 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 EN 62368-1 or VDE0100 or EN60204 or UL508 regulations.
The products do not generally fulfill the requirements for "centralized DC power systems“ (UL 60950-1, Annex
NAB; D2) and therefore may not be connected to such devices!
