TIANAN

Transformers; electric switches; circuit breakers; electrical connection boxes; electrical distribution boxes; electric control panels; electric current transformer and potential transformer; electroacoustic transducers; booster units for audio devices; low voltage power regulators; high voltage and low voltage current switch gear; electrical fuses; electrical substation comprised of circuit breakers, disconnecting circuit-breaker, circuit-switchers, load break switches, electric switches, disconnector switches, electrical contactors, and electrical fuses; electronic signaling mechanism, namely a train control system used in the railway industry for detecting and controlling trains, ground faults, broken rails, power failures, track switches and lights; power station automatization device, namely, electric control panel; lightning arresters