Moeller AWB2700-1426GB, Руководство пользователя

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11/01 AWB2700-1426GB
Appendix
Appendix
Glossary
AGM Trip-indicating auxiliary contact, additional switch with
which a PKZM0 can be extended
Ambient temperature, open
(see IEV 441-11-13) Temperature of the room (for example, workshop, swit-
chroom) in which the switching device is installed.
Back-of-hand proof A switching device whose electrically live parts cannot be
touched within in an imaginary sphere with a diameter of
50 mm is said to be back-of-hand proof.
Classification type State of a switchgear assembly (motor starter) during and
after the test with the
⇒
rated conditional short-
circuit current
:
Classification type „1":
No risk to persons or installation
No immediate operational readiness required
Damages to the starter are permissible
Classification type „2":
No risk to persons or installations
Starter is suitable for further operation
No damage to the starter with exception of a slight
welding of the switching contacts, if these can be easily
separated without any appreciable deformation
Damp heat, constant Climatic test, in which a switching device is tested at a
constant humidity of 93 %, and an ambient temperature of
40 °C. During this test, checks are made of the electrical
and mechanical functions of the switching device.
Damp heat, cyclic Climatic test, in which a switching device is tested during
changing climatic cycles. A cycle consists of 12 hours at 93
% relative humidity and 40 °C ambient temperature, and
12 hours at 95 % relative humidity and 25 °C ambient
temperature. During this test, checks are made of the elec-
trical and mechanical functions of the switching device.
Nominal voltage (see IEC 38) Voltage, after which electrical equipment is called and to
which particular operating features relate.
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