Document Symbols And Conventions; Symbols - ABB RED650 Technical Manual

1MRK 505 394-UEN A
1.4
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Line differential protection RED650 2.2 IEC
Technical manual

Document symbols and conventions

Symbols

The electrical warning icon indicates the presence of a hazard
which could result in electrical shock.
The warning icon indicates the presence of a hazard which could
result in personal injury.
The caution hot surface icon indicates important information or
warning about the temperature of product surfaces.
Class 1 Laser product. Take adequate measures to protect the eyes
and do not view directly with optical instruments.
The caution icon indicates important information or warning related
to the concept discussed in the text. It might indicate the presence
of a hazard which could result in corruption of software or damage
to equipment or property.
The information icon alerts the reader of important facts and
conditions.
The tip icon indicates advice on, for example, how to design your
project or how to use a certain function.
Although warning hazards are related to personal injury, it is necessary to
understand that under certain operational conditions, operation of damaged
equipment may result in degraded process performance leading to personal injury
or death. It is important that the user fully complies with all warning and
cautionary notices.
Section 1
Introduction
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