常熟开关CM1塑壳断路器

CM1塑壳断路器

CM1常熟开关断路器主要安装在低压配电柜中作主开关，用于控制和保护配电网络。其技术性能达到了国际上同类产品九十年代先进水平。符合IEC947-2、GB14048.2《低压断路器》标准。

1.使用条件

周围空气温度为-5°C～＋40°C，且24h的平均值不超过＋35°C（特殊订货的除外）；

安装地点的海拔不超过2000m；

空气相对湿度在最高温度为＋40°C时不超过50％；在较低温度下可以有较高的相对湿度，最湿月的月平均最低温度不超过＋25°C，该月的月平均最大相对湿度不超过90％，并考虑因温度变化发生

在产品表面的凝露；

污染等级为3级。

2.结构特点简介

触头系统

每相触头安装在绝缘小室内。触头系统采用了多片触头并联形式的结构、减小了触头系统的惯性，保证了断路器的高分断能力。

操作机构

安装在断路器中央，与主电路隔离；断路器由弹簧贮能机构进行闭合操作，闭合速度快。操作机构兼有电动及手动贮能、闭合、断开。

所有附件整个系列通用。

抽屉座

摇动抽屉座下部横梁上手柄，可实现断路器的三个工作位置（手柄旁有位置指示）；

“连接”位置：主回路和二次回路均接通，此时隔离板开启；

“试验”位置：主回路断开。并由绝缘隔离板关闭隔开，仅二次回路接通。可进行必要的动作试验；

“分离”位置：主回路与二次回路全部断开，此时隔离板关闭；

抽屉式断路器具有可靠的机械联锁装置，只有在连接位置和试验位置时才能使断路器闭合；

断路器共有47个二次回路接线端子；

相同额定电流的抽屉式断路器（包括本体和抽屉座）具有互换性。

3.智能控制器的选择

智能控制器分为以下三种：电子型、标准型、通讯型。

基本功能

过载长延时反时限保护；短路短延时反时限保护；短路短延时定时限保护；短路瞬时保护；接地故障保护功能；整定功能；过载报警功能；试验功能；电流显示功能；自诊断功能；热模拟功能；故

障记忆功能；触头损耗指示；MCR功能；

选择功能（用户按需要订货时选择）

电压显示功能；负载监控功能；

通讯型控制器通过RS485实现双向传输各功能参数，通讯规约按企业规定或用户与企业协商。

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