The S.A. assembled by our ZnO blocks have passed KEMA type test. Provide routine test before shipment to guarantee the quality! Description3kv10kA class 2Rated voltage,kV3MCOV,kV2.55Lightning impulse(8/20)residual voltage, kV 5KA8.210KA9.020KA11Switch impulse(30/60) kV 125A7500A8Reference voltage, kV>=3Long duration,us2000Steep current residual voltage,kV10KCT value for operation duty test: High ...