... , UL,CE, VED. Our mainly product is stepping motor, synchronous motor, copper pipe and heat exchange for air-conditioner, mold ... Frequency≥350 HzNo load pull-out Frequency≥500 HzInsulation Resistance≥50MΩ (DC.500)Dielectric StrengthCondition of AC, 600V, 1 mA ... . 1Second: No BreakdownTemperature Rise≤38 KNoise≤32 dB(A) 35BYJ412-W8 12v dc electric motor ...