Connection and commissioning
5.4 Function test of the ETU
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Manual, 10/2018, L1V30499596002-01
187
Mounting the spring charging motor
The power supply of the ETUs through the main circuits must only be used after
commissioning.
Before the ETU can be supplied with power through the main current paths, the tests in the
chapter on commissioning (see Chapter "Commissioning (Page 189)") must be performed.