铁(tie)道(dao)棒(bang)形(xing)瓷(ci)绝(jue)(jue)(jue)缘子用(yong)(yong)于标称(cheng)电(dian)(dian)压25kV、工频单相交(jiao)流(liu)电(dian)(dian)气(qi)化铁(tie)道(dao)接触网，用(yong)(yong)作(zuo)接触网的(de)对地绝(jue)(jue)(jue)缘及导线支撑(cheng)。执行铁(tie)道(dao)部准TB/T3199.1-2008《电(dian)(dian)气(qi)化铁(tie)路(lu)接触网用(yong)(yong)绝(jue)(jue)(jue)缘子第1部分：棒(bang)形(xing)瓷(ci)绝(jue)(jue)(jue)缘子》进行图样设计和(he)产品(pin)试验。Q12S-290/1400及Q12D-290/1400铁(tie)道(dao)棒(bang)形(xing)瓷(ci)绝(jue)(jue)(jue)缘子于2009年5月26日被(bei)评(ping)为“重庆市重点新产品(pin)”。并成功(gong)在云南、新疆等地铁(tie)路(lu)系统投入使(shi)用(yong)(yong)，得到(dao)用(yong)(yong)户一(yi)致好评(ping)。