Safety Instructions; Signal Terms And Definitions; General Instructions; Due Application - Siemens 8DA Installation Instructions Manual

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Symbols used
Five Safety Rules of Electri-
cal Engineering
4

Safety instructions

1

Signal terms and definitions

DANGER!
as used in these instructions, this means that personal injuries can occur if the relevant
precautionary measures are not taken.
!
Observe the safety instructions.
ATTENTION!
as used in these instructions, this means that damage to property or environment can
occur if the relevant precautionary measures are not taken.
!
Observe the safety instructions.
NOTE!
as used in these instructions, this points at facilitations of work, particularities for
operation or possible maloperation.
!
Observe the notes.
!
Operation symbol:Identifies an operation. Asks the operator to perform an operation.
r
Result symbol:Identifies the result of an operation.
2

General instructions

Independently of the safety instructions given in these operating instructions, the local
laws, ordinances, guidelines and standards for operation of electrical equipment as well
as for labour, health and environmental protection apply.
The Five Safety Rules of Electrical Engineering must generally be observed during opera-
tion of the products and components described in these operating instructions:
• Isolating.
• Securing against reclosing.
• Verifying safe isolation from supply.
• Earthing and short-circuiting.
• Covering or barriering adjacent live parts.
3

Due application

The switchgear corresponds to the relevant laws, prescriptions and standards applicable
at the time of delivery. If correctly used, they provide a high degree of safety by means
of logical mechanical interlocks and shockproof metal enclosure of live parts.
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