工作环境/ Stand Working Conditions - nader NDM2L Series Product Manual

(2)NDM2L-125、250/A A 型
①延时型剩余电流、延时时间整定值设置
Delay type aftercurrent and delay time setting value setup
②非延时型剩余电流整定值设置
non-delay type aftercurrent setting value setup
4. 工作环境/ Stand working conditions
1) 海拔 Altitude：≤ 2000 m。
2) 环境温度 Ambient temperature：-35～+70℃。
3) 环境温度+40℃时相对湿度不超过 50%，较低温度可以有较高湿度，如：20℃时相对湿度可达 90%，
对于因温度变化所产生的凝霜应采取相应的措施 The relative humidity of the air does not exceed
50% at 40℃. Higher relative humidity is permitted at lower temperature, such as 90% relative
humidity at 20℃. The protective actions should be taken for frost which formed by variation
of temperature.
4) 能耐受潮湿空气的影响 Resisting the effects by humid air.。
5) 能耐受盐雾、油雾的影响 Resisting effects by salt mist and oil mist.。
6) 能耐受霉菌的影响 Resisting the effects by mould.
7) 断路器接至主回路的安装类别为：Ⅲ
connected to main circuit：Ⅲ;
断路器不接至主回路的安装类别为：Ⅱ
connected to main circuit：Ⅱ。
8) 污染等级为 3 级 Pollution degree:3.
9) 在无爆炸危险的介质中，且介质无足以腐蚀金属和破坏绝缘的气体与导电尘埃的地方
place without explosive media, gas and dust which are corrosive and conductive。
地址：上海市浦东新区申江南路 2000 号
文件编号：NDT2920129
A type
Installation category for the breaker which is
Installation category for the breaker which is not
邮编：201315
第 8 页 共 20 页
文件版本：2
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