InstallationBN48-IP66
Release 01 11/2019
5
Only allow qualified personnel to work on the device.
Qualified personnel have the following characteristics:
Qualified personnel are properly trained. Training as well as
practical knowledge and experience make up their qualifications.
This is the prerequisite for grounding and labeling circuits,
devices, and systems in accordance with current standards in
safety technology.
Qualified personnel are aware of the dangers that exist in their
work.
Qualified personnel are familiar with appropriate measures
against these hazards in order to reduce the risk for themselves
and others.
Qualified personnel receive training on a regular basis.
National and international safety regulations
Verify that the electrical installation meets local or nationally
applicable safety regulations.
Grounding the device
Grounding the device is by means of a separate ground connection
on the device.
Ground the device before connecting any other cables.
Disconnect the grounding only after disconnecting all other
cables.
Use toothed washers to ensure good electrical conductivity at the
connection.
Requirements for connecting electrical wires
Before connecting the electrical wires, always verify that the
requirements listed are complied with.
General requirements for connecting electrical wires
The following requirements apply without restrictions:
The electrical wires are voltage-free.
The cables used are permitted for the temperature range of the application case.
Requirements for connecting the supply voltage
Before connecting the supply voltage, always verify that the requirements listed are
complied with.
The following requirements apply alternatively:
Alternative 1
The power supply complies with the requirements for a limited power
source as per EN 60950-1.
Alternative 2
All of the following requirements are complied with:
The supply voltage is connected to the device casing through
protective elements exclusively. The supply voltage is electrically
isolated from the casing
For safety reasons, the fuse installed in the plug-in power supply
units may not be changed
See “General technical data” on page
