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SSJ-21A

产品时间:2019-08-08 16:20:49

SSJ系列静态时间继电器(以下简称继电器)用于电力系统二次回继电保护及自动控制回路中,作为延时装置,使被控元件得到所需的延时。该产品是我公司新开发的新一代时间继电器,具有高精度,功耗小、延时范围宽、交直通用等优点。也是我国电力行业中最具有推广产品之一。产品分为三个系列:10、20、30,其结构分别更换替代DS-100、DS-20、DS-30等电磁式继电器。
详细(xi)介绍(shao)

SSJ-11A,SSJ-12A,SSJ-11B,SSJ-12B,SSJ-21A,SSJ-21B,SSJ-22A,SSJ-22B,SSJ-31A,SSJ-31B,SSJ-32A,SSJ-32B

SSJ系(xi)(xi)列(lie)静态时(shi)间(jian)继(ji)(ji)电(dian)器(qi)(以(yi)下简称继(ji)(ji)电(dian)器(qi))用(yong)于电(dian)力(li)系(xi)(xi)统二次回继(ji)(ji)电(dian)保护及自动(dong)控制回路中(zhong)(zhong),作为(wei)延时(shi)装置,使被控元件得到所需(xu)的延时(shi)。该(gai)产(chan)品是(shi)我公司新开发的新一(yi)代时(shi)间(jian)继(ji)(ji)电(dian)器(qi),具有高精(jing)度,功耗小、延时(shi)范围宽、交直通用(yong)等优点。也是(shi)我国电(dian)力(li)行(xing)业中(zhong)(zhong)最(zui)具有推广(guang)产(chan)品之一(yi)。产(chan)品分为(wei)三个系(xi)(xi)列(lie):10、20、30,其结构(gou)分别更换(huan)替代DS-100、DS-20、DS-30等电(dian)磁式继(ji)(ji)电(dian)器(qi)。

主要技术参数                                                                                                             

额定(ding)(ding)电(dian)(dian)(dian)压(ya)(ya)(ya)(ya):直流电(dian)(dian)(dian)压(ya)(ya)(ya)(ya)220V、110V、48V;交(jiao)流电(dian)(dian)(dian)压(ya)(ya)(ya)(ya)220V、110V、48V。延(yan)时整定(ding)(ding)值误差(cha):在(zai)(zai)(zai)基准条(tiao)件(jian)下(xia)平(ping)均误差(cha)不(bu)大(da)于(yu)±0.1%+30ms。延(yan)时一致性:在(zai)(zai)(zai)基准条(tiao)件(jian)下(xia)任一整定(ding)(ding)值,一致性不(bu)大(da)于(yu)整定(ding)(ding)值的0.1%+30ms。动(dong)作(zuo)值:动(dong)作(zuo)电(dian)(dian)(dian)压(ya)(ya)(ya)(ya)不(bu)大(da)于(yu)70%额定(ding)(ding)电(dian)(dian)(dian)压(ya)(ya)(ya)(ya)。返回(hui)值:返回(hui)电(dian)(dian)(dian)压(ya)(ya)(ya)(ya)不(bu)小(xiao)于(yu)5%额定(ding)(ding)电(dian)(dian)(dian)压(ya)(ya)(ya)(ya)。功(gong)率(lv)消耗:不(bu)大(da)于(yu)5VA。触点(dian)(dian)容(rong)量:在(zai)(zai)(zai)电(dian)(dian)(dian)压(ya)(ya)(ya)(ya)不(bu)超过(guo)250V,电(dian)(dian)(dian)流不(bu)超过(guo)5A,时间常数为(wei)5±0.75ms的直流有(you)感负荷电(dian)(dian)(dian)路中,产(chan)品输出的断开容(rong)量为(wei)50W。输出触点(dian)(dian)在(zai)(zai)(zai)上(shang)述(shu)规定(ding)(ding)的负荷条(tiao)件(jian)下(xia),产(chan)品能(neng)(neng)可靠(kao)动(dong)4作(zuo)及返回(hui)5×10 次。输出触点(dian)(dian)长期允(yun)许接通电(dian)(dian)(dian)流为(wei)5A。介质强(qiang)度:在(zai)(zai)(zai)基准条(tiao)件(jian)下(xia),产(chan)品各导电(dian)(dian)(dian)部分(fen)连在(zai)(zai)(zai)一起,对外露(lu)非带电(dian)(dian)(dian)金属部分(fen)及外壳之(zhi)间,能(neng)(neng)承受(shou)交(jiao)流有(you)效值2000V/50HZ的试验电(dian)(dian)(dian)压(ya)(ya)(ya)(ya)历时1分(fen)钟,无绝缘击穿或闪络现象。

 


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