电动装置ydf系列三相异步是华通公司改进设计开发的产品,其扭矩,噪声,振动,温升等指标完全达到设计要求,主要性能指标达到国际先进水平。ydf系列适用于非爆炸危险场所,本系列电动机按下列功率制造：0.01,0.015,0.025,0.04,0.06,0.09,0.12,0.18,0.2,0.25,0.37,0.55,0.75,1.1,1.5,2.2,3,4,5.5,7.5,11 kw,其中0.18kw以下采用铝制机座,0.18 kw及以上采用铸铁机座。
型号有：ydf2-122-4 ydf2-211-4 ydf2-212-4 ydf2-221-4 ydf2-222-4 ydf2-231-4 ydf2-311-4 ydf2-312-4 ydf2-321-4 ydf2-322-4 ydf2-411-4 ydf2-421-4 ydf2-422-4 ydf2-431-4