... , VDE, ISO Mainly Customer: Mitsubishi Heavy Industries, Japnaese TOT motor / stepper motor /12v motor We have certificate by CCC,CE, VDE, ISOWe are specialized ... Ω (DC.500)Dielectric StrengthCondition of AC, 600V, 1 mA. 1Second: No BreakdownTemperature Rise≤40 KNoise≤30 dB(A)We 24BYJ48-W4 12v dc motor controller