Eaton SVS/12, User Manual

Page: 131 / 138

SVS/12
994.530 G01 02 131
8.2 Abnormal
Operating conditions

Rated voltage, current, power
The voltage, current and power upon which the design
of the switchgear is based.

Short-circuit
An unintentional connection between two or more
electrical conductors, or between a conductor and
earth, in which extreme heat may be generated which
may damage the installation and its surroundings.

Short-circuit current
An electrical current which is higher, as a result of a
short-circuit, than the nominal current.

Arc
An electrical discharge, through the insulation, which
produces a short-circuit. In general, and in particular in
air-insulated installations, arcing may occur
unexpectedly and be of an explosive nature.
8.3 Equipment and the area surrounding it

Electrical installation
An assembly of electrical leads and the appliances to
which the leads are connected.

Switching and distribution unit, switchgear
A unit to protect or switch on or off, in one place, two
or more parts of an electrical installation.

Switchroom :
The area in which the switchgear is set up.

Working area ;
A clearly designated part of the operating area in
which work on the installation can be carried out
safely.

Switch:
Een toestel dat bestemd is om elektrische stromen in
en uit te schakelen.

Load-break switch:
A switch capable of safely switching on a short-circuit
current and switching off a nominal current.

Circuit-breaker:
A switch capable of safely switching on and switching
off a short-circuit current.