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JZ-21E斷電(dian)(dian)延(yan)時(shi)(shi)繼電(dian)(dian)器,用于交、直流(liu)操作的各(ge)種(zhong)保護或(huo)自動控制回路中(zhong)。 JZ-21/61斷電(dian)(dian)延(yan)時(shi)(shi)繼電(dian)(dian)器,JZ-21/61J斷電(dian)(dian)延(yan)時(shi)(shi)繼電(dian)(dian)器

JZ-21E斷電(dian)延時繼電(dian)器,用于(yu)交、直流操作(zuo)的(de)各種保護或自(zi)動控制回路中。 JZ-21/07斷電(dian)延時繼電(dian)器,JZ-21/07J斷電(dian)延時繼電(dian)器

JZ-21E斷(duan)電(dian)延時(shi)繼電(dian)器,用于(yu)交(jiao)、直流(liu)操作的各種保(bao)護或自動控制回路中。 JZ-21系列型斷(duan)電(dian)延時(shi)繼電(dian)器