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連絡先担当者 Ms. ping
No.108 Dazhuan Road, Caidian District, Wuhan, hubei
Main technical data rated voltage 7.2kV rated current **0/**0/**0A rated frequency *0Hz rated short-time power frequency withstand voltage *2kV rated lightring impulse withstand voltage *5kV rated making current 2.5/4.0/6.3KA rated breaking current , max 2.0/3.2/5.0kA rated breaking current , min *0/*0/**5 kA rated making current , limit 2.5/4.0/6.3 kA rated short-time withstand current 2.5/4.0/6.3 kA rated duration of short-circuit 4s mechanical life *0×****0times Electricity life AC*3 *5×****0 times Electricity life AC*4 *0×****0 times Rated contact stroke 6±1mm Contact closing force due to bellows and atmosphere *0±*0N counterforce at rated contact stroke **0±*0N circuit resistance at rated contact atmosphere force ≤**0µΩ shelf life *0years contact erosion limit 3mm weight of moving parts ≤0.6kg mechanical data required for matched vacuum interrupter added contact stroke **0±*0N average opening speed 0.6±0.2m/s average closing speed 0.3±0.1m/s contact bouncing duration at closing operation ≤2ms contact bouncing bank amplitude of opening operation ≤2mm three-pole simultaneity ≤1ms
