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JT4系列交流電(dian)(dian)磁(ci)繼電(dian)(dian)器(qi)（以(yi)下(xia)簡稱繼電(dian)(dian)器(qi)）適(shi)用于交流50Hz、380V及以(yi)下(xia)電(dian)(dian)壓(ya)的自動控制電(dian)(dian)路中(zhong)，作為零電(dian)(dian)壓(ya)（或(huo)中(zhong)間）和過電(dian)(dian)壓(ya)繼電(dian)(dian)器(qi)之用。 JT4-10L交流電(dian)(dian)磁(ci)繼電(dian)(dian)器(qi),JT4-11L交流電(dian)(dian)磁(ci)繼電(dian)(dian)器(qi)

JT4系列交(jiao)(jiao)流(liu)(liu)電(dian)(dian)磁(ci)(ci)繼電(dian)(dian)器(qi)（以下簡稱繼電(dian)(dian)器(qi)）適用(yong)于交(jiao)(jiao)流(liu)(liu)50Hz、380V及以下電(dian)(dian)壓的自動控制電(dian)(dian)路(lu)中，作為零電(dian)(dian)壓（或中間(jian)）和過電(dian)(dian)壓繼電(dian)(dian)器(qi)之用(yong)。 JT4-01L交(jiao)(jiao)流(liu)(liu)電(dian)(dian)磁(ci)(ci)繼電(dian)(dian)器(qi),JT4-02L交(jiao)(jiao)流(liu)(liu)電(dian)(dian)磁(ci)(ci)繼電(dian)(dian)器(qi)

JT4系(xi)列交(jiao)流電(dian)(dian)磁繼(ji)(ji)電(dian)(dian)器（以(yi)下簡稱繼(ji)(ji)電(dian)(dian)器）適(shi)用于(yu)交(jiao)流50Hz、380V及(ji)以(yi)下電(dian)(dian)壓的自動控制(zhi)電(dian)(dian)路中，作為零電(dian)(dian)壓（或(huo)中間）和(he)過電(dian)(dian)壓繼(ji)(ji)電(dian)(dian)器之用。 JT4-20P交(jiao)流電(dian)(dian)磁繼(ji)(ji)電(dian)(dian)器,JT4-22P交(jiao)流電(dian)(dian)磁繼(ji)(ji)電(dian)(dian)器

JT4系列交流(liu)電磁(ci)繼電器(qi)（以下簡稱繼電器(qi)）適(shi)用于(yu)交流(liu)50Hz、380V及(ji)以下電壓(ya)的自動控制電路中，作為零電壓(ya)（或中間）和過(guo)電壓(ya)繼電器(qi)之用。 JT4-10P交流(liu)電磁(ci)繼電器(qi),JT4-11P交流(liu)電磁(ci)繼電器(qi)

JT4系列交(jiao)(jiao)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)磁(ci)繼電(dian)(dian)(dian)(dian)(dian)器（以下(xia)簡稱繼電(dian)(dian)(dian)(dian)(dian)器）適用(yong)于交(jiao)(jiao)流(liu)(liu)(liu)50Hz、380V及以下(xia)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)的自動控制電(dian)(dian)(dian)(dian)(dian)路中，作為零電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)（或中間）和過電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)繼電(dian)(dian)(dian)(dian)(dian)器之用(yong)。 JT4-01P交(jiao)(jiao)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)磁(ci)繼電(dian)(dian)(dian)(dian)(dian)器,JT4-02P交(jiao)(jiao)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)磁(ci)繼電(dian)(dian)(dian)(dian)(dian)器