Description
2.6 Possible uses and portfolio
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Manual, 10/2018, L1V30499596002-01
21
2.6
Possible uses and portfolio
Possible uses
The circuit breaker performs the different protection tasks and can be used in the following
areas:
Field
of applica-
tion
Building
Industry
Breaking capacity 3WL10: 42 to 66 kA / 3VA27: 55 to 110 kA
Segments
Commercial buil-
dings
Infrastructure
Industrial buildings
Functional
enclosure
Production/
process
automation
Examples
Office buildings,
banks,
hotels, cinemas,
shopping malls,
hospitals, universi-
ties,
schools
Airports,
train stations,
sports stadiums,
ports,
exhibition sites
Industrial parks,
warehouses,
logistics centers
Paper industry,
computer centers,
oil & gas industry,
foodstuffs
industry
Presses, galvaniz-
ing lines, rolling
mills, grinding mills,
agitators and mix-
ers, production
lines
The circuit breaker is used for the following functions:
●
Line protection
●
Generator protection
●
Motor protection
●
High breaking capacity
–
3WL10 air circuit breakers: Up to 66 kA
–
3VA27 molded case circuit breakers: Up to 110 kA
●
Selectivity, in particular, for high coordination requirements based on time, current, and
energy discrimination.
●
Communication
●
As a version of a non-automatic air circuit breaker in accordance with IEC 60947-3