浙江西開電氣有限公司

概述　　FN18-12系列戶內高壓負荷開關,具有設計先進、操作簡便、結構緊湊、體積小、功能全、重量輕、分合速度快、可靠性高等優(yōu)點。適用于交流50Hz，額定電壓12KV、額定電流630A及三相配電系統中，特別適用于城網建設改造工程，高層建筑，公共設施的環(huán)網供電，是箱式變電站、變壓器保護的理想產品。主要技術參數序號項目電位FN18-12D/630FN18-12DR/100-31.51額定電壓KV122額定頻率Hz503額定電流A63010041min工頻耐受電壓kv對地及相間42；隔離斷口48雷電沖擊耐受電壓對地及相間75；隔離斷口855相間距離mm1706額定動穩(wěn)定電流KA50 7額定熱穩(wěn)定電流KA/S20/2 8額定電纜充電電流A109額定轉移電流 160010開斷空載變壓器容量KVA125011額定短路開斷電流（熔斷值）KA 31.5-5012額定短路關合電流（峰值）5013額定有功負載開斷電流630 14接地開關額定熱穩(wěn)定電流KA/S16/215額定有功負載電流開斷次數 10016機械壽命2000外形圖 Summary　　It is used in three-phase power distribuiton of AC 50Hz rated voltage 12kv and rated current 630A Esp For power ring network in city net work construction improvement high-rise buildings and public facilities as an ideal product to protect package substation and transformer It has the featrres of advanced design simple operation impact structruee smatr appearancelight weight complete function fast on-and off speed and high reliability.