CE labelling
Products that feature this symbol meet
the requirements of the EU directives (see
chapter entitled "Declaration of conform-
ity").
Tested safety
Products that feature this symbol meet the
requirements of the German Product Safe-
ty Act.
Symbol for direct current (DC)
Symbol for alternating current (AC)
Transformer – short circuit-proof
A transformer in which the temperature
does not exceed specified limits if the
transformer is overloaded or short-circuit-
ed, and which continues to meet all the re-
quirements specified in the relevant stand-
ard once the overload or short circuit has
been rectified.
Energy efficiency level VI
Energy efficiency levels are used to de-
scribe the efficiency levels of internal and
external power supply units. Energy effi-
ciency is sub-divided into a number of cat-
egories, where Level VI is the most effi-
cient.
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