Users Manual

Description
2.1 Overview - applications and portfolio
3WA Air Circuit Breakers
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• Low inspection/maintenance effort
– Only inspection required
– No relubrication of moving parts in the circuit breaker
– Parts only need to be replaced during maintenance if this is deemed necessary based
on the inspection results. Accessory components are designed for the maximum
specified service life of the circuit breaker under normal operating conditions.
– Inspection and maintenance work may be carried out by qualified personnel of the
operator or by a contracted company.
• Low space requirement
The 3WA13 circuit breakers (size 3) are extremely compact:
3-pole circuit breakers fit into an 800 mm wide control panel.
4-pole circuit breakers can be installed in a 1000 mm wide control panel.
2.1.4 Applications
Applications
• As incoming feeder, distribution, coupling and outgoing feeder circuit breakers in
electrical installations
• For switching and protecting motors, capacitors, generators, transformers, busbars, and
cables.
• When connected to an electronic I&C system, the circuit breaker offers a wide range of
options for monitoring network events.
The circuit breaker performs different protection tasks and can be used in the following areas:
Area
Buildings
Industry
Power generation
Segments Business
buildings
Infrastructure Industrial
buildings
Production/process
automation
Conventional
power plants
Renewables
Examples Office build-
ings, banks,
hotels, cine-
mas, shop-
ping malls,
hospitals,
universities,
schools
Airports, train
stations,
sports stadi-
ums, ports,
exhibition
sites, data
centers
Industrial
parks, ware-
houses, logis-
tics centers,
production
halls
Paper indus-
try,
oil & gas
industry,
food & bev-
erages
Presses,
galvanizing
lines,
rolling mills,
grinding
mills,
agitators and
mixers,
production
lines
Coal-fired
power plants,
gas-fired
power plants,
combined
heat and
power plants
Wind power
plants, ener-
gy storage,
photovoltaic
systems,
biogas plants