sandian electric · 2017. 1. 8. · 145 170 245 300 362 420 525(550) frequency test voltage...
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- SANDIAN ELECTRIC · 2017. 1. 8. · 145 170 245 300 362 420 525(550) frequency test voltage (r.rn.s) kV 70 140 230 275 325 510 510 680 740 Standards: IEC61869-2, 13, AS,BS and etc
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SF6 gas