Outdoor high voltage circuit breaker, 72.5 kV - 420 kV, with electro-pneumatic operating mechanism, SFE type, is specified by very simple design, using reliable electro-pneumatic operating mechanism with autonomous supply of air, EPM 255 type, and high quality solution of damping against movable parts kick. These features secure the basic pre-condition for safe and reliable mechanical operation. Even today, after over 30 years of exploitation, the first generation of the circuit breaker is still in service with high reliability operating factor what proves completely the high quality of this product. |
|
