华通YBDF2-221-4三相异步电动机其他型号有：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 YBDF2-122-4 YBDF2-211-4 YBDF2-212-4 YBDF2-221-4 YBDF2-222-4 YBDF2-231-4 YBDF2-311-4 YBDF2-312-4 YBDF2-321-4 YBDF2-322-4 YBDF2-411-4 YBDF2-421-4 YBDF2-422-4 YBDF2-431-4 YBDF-WF-212-4，YBDF-WF-221-4，YBDF-WF-222-4，YBDF-WF-231-4，YBDF-WF-311-4，YBDF-WF-312-4，YBDF-WF-312-4，YBDF-WF-322-4，YBDF-WF-411-4，YBDF-WF-412-4，YBDF-WF-422-4