One , general state

GW the 5 serieses of outdoor switch-disconnector of high voltage is the outdoor equipment of high voltage of electrical equipment of 50 three-phase alternating Hzes. apply to power plant, substation and the 50 three-phase alternating Hzes of large scale industrial and mining enterprises outdoor power system in, let the line of high voltage change under having no merit condition to receive, as well as for carry out electrical isolation and minute by the bus of high voltage of overhaul, the etc. electrical equipment of circuit breaker and the electrified line of high voltage join circuit . have safety reliable , operate portable, flexible etc. characteristic this series separate produce satisfy GB 1985-89 " the alternating switch-disconnector of high voltage " IEC 129( 1984) " alternating switch-disconnector " with IEC68 4( 1980) " the control equipment common term and switchgear of high voltage " stipulate every requirement.

Two. use is environmental

◆Elevation is smaller than 2000 m highly ；
◆Highest environmental temperature does not be higher than + 40 ℃ , minimum environmental temperature do not be lower than 30 ℃ ; high and cold region do not be lower than - 40 ℃；
◆Wind speed does not exceed 35 m/ses ；
◆Land demand intensity do not exceed 8 degrees ；
◆Ice thickness does not be larger than 10 mm
◆Install place to have no, inflammable ’ is easy Bao taste nearly , person study corrosion and violent vibration ；
◆Pay skill insulator filthy grade, ; ordinary type is for 0 level and anti-fouling type Ⅱ level 。

Three. major technical data

4, appearance and installation sizes