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GN Series Hardware Manual
1.1 Safety Instructions
3
- the current consumption of the system does not exceed the value stated on the
product label.
• Switch off and ensure that the device cannot be operated if the following apply
because safe operation may no longer be possible:
- the device has visible damages or
- the device is no longer functioning
Additional safety instructions for DC power supply circuits
• To guarantee safe operation of devices with DC power supply voltages greater than 60V DC or a power
consumption larger than 240VA, please observe that:
-
the device is set up, installed and operated in a room or enclosure marked with
“RESTRICTED ACCESS” if there are no safety messages on the device itself
such as safety signs or labels.
- 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 device itself cannot be disconnected
- a disconnect device, if provided in or as part of the equipment, shall 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 EN60950-1
or EN60204 or UL508 regulations.
• The devices 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!
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