... CCC, UL,CE, VED. Our mainly product is stepping motor, synchronous motor, copper pipe and heat exchange for air-conditioner, mold ... Heavy Industries, Japnaese TOTO, etc. Model35BYJ412-W8Phase4Rated Voltage12 DC.VResistance Per Phase300±7% Ω/PhaseStep Angle7.5 /85Reduction Ratio1 ... HzNo load pull-out Frequency≥500 HzInsulation Resistance≥50MΩ (DC.500)Dielectric StrengthCondition of AC, 600V, 1 mA. ...