Surge arrester
Surge arrester
Surge arrester having coaxial shunt gap
Surge arrester having disconnector housed by end cap
Surge arrester having single surge arresting block
Surge arrester of the multi-gap type
Surge arrester with improved impulse ratio
Surge arrestor gap assembly
Surge counter
Surge counter
Surge protector
Surge suppresor with insulating meltable wall and leaf...
Surge voltage arrester having an external short- circuit path
Surge voltage arresters
Surge voltage arrestor with ventsafe feature
Surge voltage protection device with improved disconnection...
Surge voltage protector
Surge-arrester with air-spark-gap connected in parallel
Switching device including spark gap for switching...
System for producing modulated waves