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Safety Symbol - Definitions
Symbol Description Symbol Description
Direct current Terminal for Line conductor on permanently
installed equipment
Alternating current Caution, risk of electric shock
Both direct and alternating current Caution, hot surface
Three-phase alternating current Caution (refer to accompanying documents)
Earth (ground) terminal In position of a bi-stable push control
Protective earth (ground) terminal Out position of a bi-stable push control
Frame or chassis terminal On (unit)
Terminal for Neutral conductor on
permanently installed equipment
Off (unit)
Terminal is at earth potential
(Used for measurement and control
circuits designed to be operated
with one terminal at earth
potential.)
Standby (unit)
Units with this symbol are not completely
disconnected from ac mains when this switch is
off. To completely disconnect the unit from ac
mains, either disconnect the power cord or have
a qualified electrician install an external switch.
The WARNING sign denotes a hazard.
It calls attention to a procedure,
practice, or the like, which, if not
correctly performed or adhered to,
could result in personal injury. Do not
proceed beyond a WARNING sign
until the indicated conditions are fully
understood and met.
The CAUTION sign denotes a hazard. It calls
attention to an operating procedure, or the like,
which, if not correctly performed or adhered to, could
result in damage to or destruction of part or all of the
product. Do not proceed beyond a CAUTION sign
until the indicated conditions are fully understood
and met.
Acoustic Noise Information
Herstellerbescheinigung
Diese Information steht im Zusammenhang mit den Anforderungen der Maschinenläminformationsverordnung vom 18
Januar 1991.
* Schalldruckpegel Lp <70 dB(A) * Am Arbeitsplatz * Normaler Betrieb * Nach EN 27779 (Typprufung).
Manufacturer’s Declaration
This statement is provided to comply with the requirements of the German Sound Emission Directive, from 18 January
1991.
* Sound Pressure Lp <70 dB(A) *At Operator Position * Normal Operation * According to EN 27779 (Type Test).