XRNM(WFNHO)系列高壓熔斷器采用插入式和母線式兩種結(jié)構(gòu)，具有安裝體積小，接觸可靠和更換方便的特點(diǎn)；撞擊器并聯(lián)于由純銀片制成的熔體，與經(jīng)化學(xué)處理過的高純度石英砂一起密封于熔管內(nèi)；熔管采用耐高溫的高強(qiáng)度氧化鋁瓷制成，在線路發(fā)生故障時，熔體融化，在熔體出現(xiàn)電弧瞬間，撞擊器的與熔體并聯(lián)的高電阻金屬絲立即熔斷，撞擊器迅速彈出，推動連鎖電器觸頭，自動切換電路或發(fā)出熔斷訊號。

 WFNHO-10/150A WFNHO-12/160A WFNHO-10/25A WFNHO-7.2/31.5A WFNHO-10/40A WFNHO-12/50A WFNHO-3.6/63A WFNHO-10/80A WFNHO-10/100A WFNHO-10/125A WFNHO-10/150A WFNHO-10/160A WFNHO-10/200A WFNHO-10/224 WFNHO-7.2/25A WFNHO-7.2/31.5A WFNHO-7.2/40A WFNHO-10kv WFNHO-10/63A WFNHO-7.2/80A WFNHO-10/100 WFNHO-7.2/125A WFNHO-10/150A WFNHO-7.2/160 WFNHO-7.2/200 WFNHO-3.6/50A WFNHO-3.6/63A WFNHO-3.6/80A WFNHO-3.6/100A WFNHO-3.6/125A WFNHO-3.6/160 WFNHO-12/224 WFNHO-6/250A WFNHO-3.6/150A WFNHO-12/160A WFNHO-12/200A WFNHO-12/315A WFNHO-12/224 WFNHO-6/250A WFNHO-6/315A WFNHO-12/50A WFNHO-12/63A WFNHO-12/80A