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RTO熔断器正常工作条件及安装条件

2014-3-18 8:30:16      点击:

RTO熔断器 正常工作条件及安装条件:正常工作条件
1.周围空气温度不超过40℃.24h测得的平均值不超过35℃. —年内测得的平均值低于该值。周围空气温度最低值为-5℃;
2.安装地点的海拔不超过2000m:
3.空气是干净的.它的相对湿度在最高温度为40℃时不超过50%:
在较低温度下可以有较高的相对湿度.例如.在20℃下.相对湿度可达90%:
在这些条件下.由于温度变化.中等的凝露可能偶然发生.
注:若熔断器在不同于1. 2和3规定条件下使用.尤其是在无防护的户外条件使用.应与制造厂协商: 若熔断器用在有盐雾或不正常的工业沉积物的场所,亦应与制造厂协商。
4、系统电压的最大值不超过溶断器额定电压的110%。
注:应注意到若熔断体在大大低于额定电压下熔断.熔断指示器可能不动作。
正常安装条件
1.安装类别
    熔断器的安装类别为III级:
2.污染等级
   熔断器抗污染程度不低于3级:
3.安装方位
   熔断器可以垂直.水平或傾斜安装在无显著摇动和冲击振动的工作场合:
   注:若熔断器在不同于正常安装规定条件下使用,应与制造厂协商。
4.分断范围与使用类别
   本熔断体为一般用途全范围分断能力的熔断体.即“gG”熔断体。