Safety shut-off system

Safety switch

Safety switch for portable power operated device

Safety system incorporating a plurality of control switches

Saturating time-delay transformer for overcurrent protection

Sealed winding based envelope, and composite lightning...

Secondary circuit breaker for distribution transformer

Sectionaliser

Sectionalizer control

Security and protection temperature measuring device,...

Segregated phase comparison relaying apparatus

Selective potting for controlled failure and electronic...

Selective solid state trip unit associated with a limiting...

Self energizing tap switch for electronic tap changer

Self testing circuit breaker ground fault and sputtering arc...

Self-contained, self-snubbed, hid dimming module that...

Self-locking circuit arrangement

Self-monitoring digital solid-state trip release

Self-protected solid-state electrical switching device

Self-sourcing, isolated zone selective interlocking system...