Открытый переменного тока высокого напряжения разъединитель переключатель

Products Summarization: The products are used mainly in AC 10 - 40.5kV 50Hz power system and serve for, in case with voltage but without load, disconnecting the high voltage overhead line, maintained high voltage generatrix and breaker etc the products are suitable for the outdoor distribution line and transformer substation in power supply, railway, mining and oil field. Standard: IEC282.2, IEC787 high voltage disconnect switch GB1985 - 2004 high voltage AC disconnect switches and earthing switches Configuration explain: 1.Terminal pad (standard): high conductively silver - plated copper, oxidating resistant, remain silver to silver contact 2.Back-up Springs (Standard): two stainless steel springs for high strength and superior corrosion resistance 3.Loadbreak Hooks (Standard): zinc - galvanized steel for corrosion protection, suitable for portable loadbreak tool. 4.pulling loop and latching device (standard): equipped with the cast copper latch, can operate the switch in any angle 5.Copper Blade (Standard): the double deck blade processed with hard - drawn technology for superior stiffness 6.Stainless steel pin (Standard): Stainless steel pin can position the blade at 90Oor 160O, 160O as original stand 7.900 and 160O Open Position Latch (Optional): adjustable at the position in the 900 or 160O 8.Terminal pad (standard): high conductively silver - plated copper, oxidating resistant, remain silver to silver contact 9.Insulators: can provide three kinds of insulator i.e. silicone rubber, epoxy resin, porcelain 10.installing plate: are hot dip galvanized and provide with many sizes to suit for different spaces for installation. 11.Serrated Slots (Standard): equipped with bolt and provide many sizes to suit different spaces for installation. Parameters: NOItemUnitParameter1Rated voltagekV12242Rated frequencyHz50\603Rated currentA200\400\630\9004Rated Lightning impulse voltage withs phase to earthkV95125between interrupting points 1101455Rated AC voltage withstand phase to earthkV4250between interrupting points 48606Rated short time currentkA207Rated short time current (peak)kA508Rated short circuit continuous times49Mechanical longevity ( on/off time )times2000