阿海珐江能电气科技（温州）有限公司

■产品概述Product overview

ARH3D-250直流断路器主要用于额定绝缘电压1600V，额定工作电压DC1500V及以下，额定电流250A及以下的直流系统中作为分配电能和保护线路及电源设备的过载和短路保护。

ARH3D - 250 DC circuit breaker is mainly used for DC systems of rated insulation voltage 1600V, rated operational voltage up to and including DC1500, andrated current equal to or under 250A, as the over load and short circuit protection forpower distribution and protection of circuits and power supply equipment.

■正常工作环境Normal Working Environment

□周围空气温度为-5℃~+40℃;

□安装地点的海拔不超过2000m;

□安装地点的空气相对湿度在温度为+40℃时不超过50%，在较低温度下可以有较高的

相对湿度，例如20℃时达90%。对由于温度变化偶尔产生的凝露应采取特别措施;

□污染等级为3级;

□断路器主电路安装类别为Ⅲ，其余辅助电路、控制电路安装类别为Ⅱ;

□断路器适用于电磁环境A;

□断路器应安装在无爆炸危险和无导电尘埃、无足以腐蚀金属和破坏绝缘的地方;

□断路器应安装在没有雨雪侵袭的地方;

□储存条件:周围空气温度为-40℃~+70℃。

□The ambient air temperature is about -5℃~+40℃;

□The elevation of the installation site shall not exceed 2000m;

□The air relative humidity of installation site at the highest temperature of +40℃ can

not be more than 50%, and at a lower temperature can be higher relative humidity,such as 90% at 20℃.For the condensation occasionally created due to temperaturechange, special measures should be taken for that;

□The pollution level is level 3;

□The main circuit installation category of circuit breaker is Ⅲ , and the rest of the auxiliary circuit and control circuit is ll for the installation category;

□The circuit breaker is suitable for electromagnetic environment A;

□The circuit breaker shall be installed in a place where there is no explosion hazard,no conductive dust and not sufficient to corrode the metal and destroy the insulation;

□The circuit breaker should be installed where there is no rain or snow;

□Storage conditions: ambient air temperature is around -40℃~+ 70℃