Quantum-composers 9250 Series Manual do Utilizador descarregar pdf (Página 49)

9250 Manual Version 1.2 | Quantum Composers

12. Appendix D – Safety Symbols

Safety Marking Symbols

This section provides a description of the safety marking symbols that may appear on the

instrument. These symbols provide information about potentially dangerous situations which

can result in death, injury, or damage to the instrument and other components.

Symbol

Publication

Description/Comment

IEC 417, No. 5031

Direct current.

IEC 417, No. 5032

Alternating current.

IEC 417, No. 5033

Both direct and alternating current

IEC 617-2

No. 02-02-06

Three-phase alternating current

IEC 417, No. 5017

Earth (ground) terminal. Primarily used for functional

earth terminals which are generally associated with test

and measurement circuits. These terminals are not for

safety earthing purposes but provide an earth reference

point.

IEC 417, No. 5019

Protective Earthing conductor terminal. This symbol

is specifically reserved for the protective conductor

terminal and no other. It is placed at the equipment

earthing point and is mandatory for all grounded (Class

I) equipment .

IEC 417, No. 5020

Frame or chassis terminal. Used for points other than

protective conductor and functional earth terminals

where there is a connection to accessible conductive

terminals to advise the user of a chassis connection.

IEC 417, No. 5021

Equipotentiality Used in applications where it is

important to indicate to the operator that two or more

accessible functional earth terminals or points are

equipotential.

IEC 417, No. 5007

On (Supply)

IEC 417, No. 5008

Off (Supply)

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