nader NDM3EU Series Product Manual Download Page 12

Page: 12 / 17

文件编号：

NDT2920257

文件版本：

地址：上海市浦东新区申江南路

2000

号

邮编：

201315

电话：

(021)68586699

传真：

(021)23025796

第

页

共

页

5.3 NDM3EU-400

板前接线产品和安装开孔的外形尺寸

Dimensions of front connection and installation holes of NDM3EU-400

5.4 NDM3EU-400

插入式板后接线

(

含端子罩

)

Dimensions of rare plug-in of NDM3EU-400 ( with terminal cover)

注：零飞弧必须要加端子罩

未注公差尺寸的极限偏差按

GB/T 1804-c

Note: For zero flashover, lengthened terminal cover is a must.

Maximum deviation of all dimensions without tolerance follows GB/T 1804-c

5.5

板前接线产品连接铜排参考尺寸（见表

）

Copper Size of Wiring by front connection

插入式

（可选）

Summary of Contents for NDM3EU Series

Page 1: ...021 23025796 第 1 页共 17 页上海良信电器股份有限公司 Shanghai Liangxin Electrical Co Ltd NDM3EU 系列塑壳断路器 UL489 NDM3EU Series Molded Case Circuit Breaker UL489 产品说明书 Product Manual IPD ENG DEV T32 A1 2020 09 04 编制日期审核日期会签日期批准日期朱世嘉张颖王虎 2020 09 09 2020 09 21 2020 10 13 吴春艳 2020 10 13 ...

Page 2: ... 201315 电话 021 68586699 传真 021 23025796 第 2 页共 17 页修订记录版本修订原因内容实施日期编制人审核人批准人 3 使用新模板增加外形图尺寸公差要求 EU 系列说明书合并 Applied new template added tolerances to external dimension combined the manual of EU series 20200914 朱世嘉 Zhu S 张颖 Zhang Y 吴春艳 Wu C ...

Page 3: ...long delay inverse time limit short circuit transient short circuit short delay protection function it can protect the line and power equipment from damage The product is RoHS compliant The circuit breaker has an isolating function with the corresponding symbol of Also comply with standards IEC60947 2 GB T 14048 2 and certify by TUV Rheinland 2 型号说明 Description of model 型号说明见下表 1 Description of mo...

Page 4: ...Technical parameters 3 1 NDM3EU 主要技术参数见下表 2 Main technical parameters of NDM3EU are shown as follow Table 2 表 2 主要技术参数 Table 2 Main technical parameters 型号规格 Model and specification NDM3EU 225 NDM3EU 400 极数 Numbers of poles 3 额定电流 In A Rated current In A 225 400 整定电流 Ir A Setting Current Ir A 100 110 125 150 175 200 225 250 300 350 400 额定绝缘电压 Ui V Rating insulation voltage Ui V 800 额定冲击耐受电压 Uimp ...

Page 5: ...7 8 9 10 12 14 In 0 05s 3 2 NDM3EU 控制器电流时间调整 Current and time adjustment of NDM3EU controller 控制器电流时间的调整必须由专业技术人员负责 Adjustment of current and time of the controller should be carried out by specialized technical personnel 3 2 1 NDM3EU 控制器控制面板图及参数组成 Components of the control panel figure and parameter of NDM3EU controller 断路器控制面板组成部分 Components of the breaker s control panel 1 测试端口 TEST 2 过载长延时整定...

Page 6: ... 2 Tr I 表示过载情况下主回路实际电流值 The current and time knobs can be adjusted to select the appropriate combination to protect the circuit and protect the device This operation must be performed by a professional technician Note Tr indicates the breaker operating time when the actual current is twice the Ir setting value For example when Ir is set to 400 and Tr is set to 12s when the main circuit current is...

Page 7: ...1 0 2 0 3 0 4 3 4 5 6 7 8 9 10 12 14 3 3 1 基本功能表见表 4 Basic fuction Table 4 表 4 Table 4 保护功能 Protection fuction 其它功能 Other 种类 Type 过载长延时保护 Overload long time delay protection 热记忆功能 thermal memory function 短路短延时反时限保护 Short circuit short time delay inverse time protection 短路短延时定时限保护 Short circuit short time delay setting time protection 短路瞬时保护 Short circuit instantaneous protection 3 3 2 控制器整定值 1 过载...

Page 8: ... Q1 2 Ir 2 有关热记忆功能请联系制造商 The overload long delay has a thermal memory function which can be activated 30minutes NDM3EU 225 20 minutes NDM3EU 400 after the tripping of the circuit breaker NDM3EU 225 requires DC24V auxiliary power supply to realize this function When the energy of the first trip is QT 2 Ir 2 T T is the trip time The energy Q1 lost at interval T1 QT T1 Tthm the energy required for t...

Page 9: ...eeded quick break 表 7 Table 7 脱扣特性 Tripping Characteristics Ii In 见表 3 See table 3 脱扣时间Tripping time 0 85Ii 不脱扣 Non tripping 1 15Ii 50ms 4 工作环境 Working Environment 4 1 存放的环境条件见下表 8 Storage condition is shown as follow Table 8 表 8 存放环境条件表 Table 8 Storage condition 项目 Item 规范 Specifications 周围温度 Ambient temperature 40 75 相对湿度 Relative humidity 环境温度 25 时 95 when ambient temperature is 25 95 4 2 使用环境 ...

Page 10: ...t exceed 25 and the highest humidity in this month should not exceed 90 while condensation on breaker surface caused by temperature change should be taken into consideration 海拔高度 Altitude 不超过 2000m Lower than 2000m 污染等级 Pollution degree 3 级 Level 3 温度降容系数见下表 10 Temperature de rating coefficient is shown as follow Table 10 表 10 温度降容系数 Table 10 Temperature de rating coefficient 温度 Temperature 40 45 ...

Page 11: ...ion factor of working voltage Ue Ue 0 83Ue 0 77Ue 0 71Ue 0 67Ue 0 63Ue 工频耐压修正系数 40 Correction factor of power frequency withstand voltage U U 0 89U 0 85U 0 80U 0 77U 0 73U 5 产品外形及安装尺寸 Outline and installation dimensions 5 1NDM3EU 225 板前接线产品和安装开孔的外形尺寸 Dimensions of front connection and installation holes of NDM3EU 225 5 2 NDM3EU 225 插入式板后接线含端子罩尺寸 Dimension of rear plug in of NDM3EU 225 with termin...

Page 12: ... installation holes of NDM3EU 400 5 4 NDM3EU 400 插入式板后接线含端子罩 Dimensions of rare plug in of NDM3EU 400 with terminal cover 注零飞弧必须要加端子罩未注公差尺寸的极限偏差按 GB T 1804 c Note For zero flashover lengthened terminal cover is a must Maximum deviation of all dimensions without tolerance follows GB T 1804 c 5 5 板前接线产品连接铜排参考尺寸见表 12 Copper Size of Wiring by front connection 插入式可选 ...

Page 13: ...of Wiring screw M8 12 N m 106 lbf in 安装螺钉 M4 的扭紧力矩 N m Torque of Installation screw M4 2 4 N m 21 lbf in NDM3EU 400 接线螺钉 M10 的扭紧力矩 N m Torque of Wiring screw M10 20 N m 177 lbf in 安装螺钉 M5 的扭紧力矩 N m Torque of Installation screw M5 4 N m 35 lbf in 6 安装方式 Installation Mode 断路器可垂直安装也可水平安装 Product can be installed either horizontally or vertically 垂直安装 Vertical installation 水平安装 Horizontal installatio...

Page 14: ...图 Wiring Schematic of Auxiliary Contact 表 15 Table 15 附件名称 Accessory name 辅助触头 Auxiliary Contact 电压规格 Voltage 约定发热电流 Current AC120V 5A AC240V 3A DC24V 300mA DC48V 10mA 内阻 Internal Resistance 30mΩ 8 使用和维护 Operation and Maintenance 8 1 确认端子连接和固定螺钉均应紧固无松动 8 1 make sure that lug and busbar connection screws are tightened without any loosing 8 2 确认断路器的相间隔板是否安装完好 8 2 make sure that the insulation partit...

Page 15: ...n situation wipe the oxidation with guaze clean and tighten the screws and nuts with dissolvable detergent 9 注意事项 Notice 9 1 安装注意事项 Notices for Installation 1 断路器本体固定在安装板上 2 与主电路连接必须由具有专业资格的人员进行配线作业 3 确认输入电源处在完全断开的情况下才能进行配线作业 4 必须安装本体后再进行配线 1 Circuit breaker body should be fixed on installation board 2 Connection wiring to the main circuit should be conducted by professionals 3 Before wiring make...

Page 16: ... disaster or any secondary disaster 9 2 2 售后服务 Aftersales Services 1 出现故障时请与供货商或本公司售后服务部门联系 2 保修期内的修理或更换由于本公司制造上的问题所造成的故障作无偿修理以至更换 3 超过保修期后的修理或更换在修理后能维持功能的场合下作有偿修理否则作有偿更换 1 When malfunction happens please contact the supplier or aftersales department of our company 2 Repairing or replacing within warranty period if the quality issue happens in manufacturing the products will be repaired up ...

Page 17: ...of switchboard 021 68586699 营销传真 Marketing fax 021 23075796 技术热线 Technical hotline 400 99 02706 邮政编码 Zip Code 201315 股票代码 Stock Code 002706 电子邮箱 Email liangxin sh liangxin com 公司网址 Website www sh liangxin com 总部地址上海市浦东新区申江南路 2000 号 Address of headquarter No 2000 Shenjiang South Rd Pudong New District Shanghai China ...

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