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Date Code 20081022 Instruction Manual SEL-787 Relay
Preface
Safety and General Information
Examples
This instruction manual uses several example illustrations and instructions to
explain how to effectively operate the SEL-787. These examples are for
demonstration purposes only; the firmware identification information or
settings values included in these examples may not necessarily match those in
the current version of your SEL-787.
Safety and General Information
This manual uses three kinds of hazard statements, formatted as follows:
Symbols
The following symbols from EN 61010-1 are often marked on SEL products.
Indicates a potentially hazardous situation
that, if not avoided, may result in minor or
moderate injury or equipment damage.
!
CAUTION
Indicates an imminently hazardous situation
that, if not avoided, will result in death or
serious injury.
!
DANGER
Indicates a potentially hazardous situation
that, if not avoided, could result in death or
serious injury.
!
WARNING
Symbol 14 Caution, Risk of Danger—Consult Documentation for
Additional Information
Symbol 6 Protective (Safety) Ground Conductor Terminal
Symbol 1 Direct Current
Symbol 2 Alternating Current
Symbol 3 Direct and Alternating Current
Symbol 5 Earth (Ground) Terminal
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