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xix
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
Содержание SEL-787
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