一、額定電壓450/750V及以下聚氯乙烯絕緣電纜
PVC insulated cables with rated voltage of 450 / 750V and below
聚氯乙烯絕緣電線,習慣上稱為布電線,適用于額定電壓450/750V及以下小容量裝配電線路中。
產品可按客戶需求生產具有阻燃、耐火、無鹵低煙等特殊性能,其性能符合GB/T 19666-2019標準中阻燃、耐火、無鹵低煙特性要求。
PVC insulated wire, commonly known as cloth wire, is suitable for small capacity distribution lines with rated voltage of 450/750v and below.
The products can be produced according to the customer requirements with special properties such as flame retardant, fire resistance, halogen-free low smoke, etc. its performance meets the requirements of flame retardant, fire-resistant and halogen-free low smoke in gb/t 19666-2019 standard.
二、執行標準(Executive standard)
GB/T 5023.1~7-2008/IEC 60227:2007
JB/T 8734.1~6-2012
三、使用特性(Usage characteristics)
1、正常運行時聚氯乙烯絕緣電線導體最高溫度為70℃。
1. In normal operation, the maximum temperature of PVC insulated wire conductor is 70 ℃.
2、短路時(最長持續5秒),聚氯乙烯絕緣電線導體最高溫度為160℃。
2. In case of short circuit (lasting for 5 seconds at most), the maximum temperature of PVC insulated wire conductor is 160 ℃.
3、電線敷設不受落差限制,敷調時環境溫度不應低于0℃。
3. The wire laying is not limited by the drop, and the ambient temperature should not be lower than 0 ℃.
四、產品結構(product mix)
五、產品常用型號、名稱及規格(Common models, names and specifications of products)