Safety device for telecommunication equipment
Safety device monitoring heat in electric connection...
Sealed envelope based on a filamentary winding, and application
Secondary arrester
Secondary surge arrester with isolating and indicating features
Secondary valve arrester
Self-compressive surge arrester module and method of making same
Self-contained air gap assembly
Semiconductor arrester
Semiconductor device providing overvoltage and overcurrent...
Semiconductor integrated circuit device
Sharing arrangement for surge protection circuitry
Shielded energy conditioner
Short-circuit device of a gas-filled triple-pole discharge-tube
Shorting cage for protector wells
Shorting cage for protector wells
Shorting switch and system to eliminate arcing faults in...
Shunting element
Sidactor fail-safe device
Signal splitter/surge protector