NominalHigh voltageLow voltageHigh temperatureLow temperatureCompound conditionEfficiencyFrictionPerformance dispersionMotor-only performanceInsulationMaximum allowable input loadMaximum allowable reverse loadGearsHousingsShafts (including joint part)BearingsPress-fit partsViblationImpactDrop testRatedNo-LoadStall or Maximum torqueMaximum output powerHigh voltageHigh temperatureHigh humidyCompound conditionVibration-operated durabilityDust-proofWater-proofTermal cycleHeat shockSalt sprayComplex environmentChemical resistanceSunshine weatherExposureEMI (Emission)EMS (immunity)Underwater operationNo-LoadMaximum output powerRated or requirement conditionsResonance frequency