Secondary valve arrester
Sectionalizer
Sectionalizer control
Sectionalizer for spur lines
Security apparatus for power converter
Security apparatus for the protection of electric machines
Security device for protecting electronically-stored data
Segmented bus architecture (SBA) for electrostatic discharge (ES
Seismic surveying technique for the detection of azimuthal varia
Selectable integrating characteristic timer
Selectable integrating characteristic timer for protective relay
Selective electronic trip unit, a circuit breaker comprising suc
Selective electronic tripping element
Selective potting for controlled failure and electronic...
Selective potting for controlled failure and electronic...
Selective potting for controlled failure and electronic...
Selective protection process for electrical lines and device for
Selective safety device for the protection of a power distributi
Self checking temperature sensing circuit
Self diagnosing circuit for a load control circuit