Schweitzer Engineering Laboratories SEL-751 - Page 27

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Date Code 20170927 Instruction Manual SEL-751 Relay
Preface
Safety Information
Safety Information
CAUTION
To ensure proper safety and operation, the equipment ratings, installation instructions, and
operating instructions must be checked before commissioning or maintenance of the equipment.
The integrity of any protective conductor connection must be checked before carrying out any other
actions. It is the responsibility of the user to ensure that the equipment is installed, operated, and
used for its intended function in the manner specified in this manual. If misused, any safety
protection provided by the equipment may be impaired.
Dangers, Warnings,
and Cautions
This manual uses three kinds of hazard statements, defined as follows:
Safety Symbols
The following symbols are often marked on SEL products.
DANGER
Indicates an imminently hazardous situation
that, if not avoided, will result in death or
serious injury.
WARNING
Indicates a potentially hazardous situation
that, if not avoided, could result in death or
serious injury.
CAUTION
Indicates a potentially hazardous situation
that, if not avoided, may result in minor or
moderate injury or equipment damage.
CAUTION
Refer to accompanying documents.
ATTENTION
Se reporter à la documentation.
Earth (ground) Terre
Protective earth (ground) Terre de protection
Direct current Courant continu
Alternating current Courant alternatif
Both direct and alternating current Courant continu et alternatif
Instruction manual Manuel d’instructions