Connection and commissioning
5.5 Commissioning
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Manual, 10/2018, L1V30499596002-01
189
5.5
Commissioning
You can read how to operate the circuit breaker during each test point in Chapter Operation
(Page 195).
5.5.1
General tests
DANGER
Electric shock!
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.
Electrically 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.