202111 ⎘
Contacts; Means for testing or for inspecting contacts, e.g. wear indicator by analysing radiation emitted by arc or trace material
Method and apparatus for determining the wear on a contact element
#2Electrical switchgear providing improved infrared predictive/preventive maintenance
#3Gas-tight encapsulating enclosure for a power transmission device
#4Device for detecting fluorescent trace material
#5Apparatus for electrical contact
#6Method and apparatus for detecting wear in components of high voltage electrical equipment
#7Electric contacts, electric contact apparatus and method for detecting abrasion of the electric contacts