Connection and commissioning
5.5 Commissioning
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Manual, 10/2018, L1V30499596002-01
189
You can read how to operate the circuit breaker during each test point in Chapter Operation
(Page 195).
Test the circuit breaker only while the switchboards are de-energized.
Note
General testing of the circuit breaker is necessary in the following cases:
The circuit breaker is put into operation for the first time.
The circuit breaker is inactive for a long time and during storage under certain
environmental conditions
The tests contain the procedures that must only ever be performed by electrically skilled
persons.
skilled person (IEV 195-04-
01): Person with relevant education and experience to
enable him or her to perceive risks and to avoid hazards which electricity can create.
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