REF 542plus switchbay protection and control unit
Manual Part 3: Installation and Commissioning
1VTA100004-en DMS,2001-10-04 REF542plus: Installation and Commissioning 8 / 80
Hazard information level 1
Level 1 hazard information indicates hazards affecting substations and devices. It
should always be observed, because otherwise function interruptions or malfunctions
may occur. An example is shown below:
Caution
Do not make any changes to the FUPLA unless you are familiar with the
REF542plus and the configuration software
Hazard information level 2
Level 2 hazard information indicates hazards affecting life and limb. It must be ob-
served to avoid injury to the operator or other personnel.
Example:
Warning!
Never attempt to remove the protection covers on the busbars by force.
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