Participants will learn the structure, news, functionality and operation of the 3WA open circuit breaker.
The focus of the course is to provide practical product knowledge to enable maintenance and operations support personnel in particular to inspect and service 3WA circuit breakers, find simple faults and replace spare parts listed in the catalog. In particular, the similarities and differences to the 3WL circuit
breaker are discussed.
1 day (2 morning sessions or 2 afternoon sessions)
All interested persons who already know the 3WL
Portfolio, structure, function and operation of 3WA circuit-breakers
Extensive practical part with inspection and maintenance procedure, installation and removal of the available accessories according to the catalog with notes on the differences to the 3WL (motor drive, voltage release, upgrade ETU300 to ETU600, exchange BSS, VTM
retrofit, COM190 installation, order list for retrofit), diagnosis
Inspection and maintenance instructions
Basics and operating philosophy of the ETU600
Presentation of the communication modules
Test options for 3WA circuit breakers (testing on the ETU600 and documentation with Powerconfig)
Available support from Siemens (documents, Internet presence)
Basic principles of electrical engineering and power distribution.
Knowledge of technical options and specifications of circuit breakers.