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文件编号

Doc. No.

NDT2920257

版次

Edition

2

Version 2

实施日期

Implementation date

2019-08-19

14

one to ensure they are in normal working condition (carry out test according to Section 7: Detailed 
accessory descriptions).

9

注意事项

Notes

9.1

安装注意事项

Precautions in installation

1

)断路器本体、底板(板后接线用)、底座(插入式接线用)固定在安装板上

;

(1) Breaker body, bottom plate (for wiring behind the plate) and base (for plug-in wiring) are 

mounted on the installation board;

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

;

(2) For connection with the main circuit, the wiring should be done by professional qualified 

personnel;

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

;

(3) Wiring should be done after confirmation of complete disconnection of input power supply;

4

)必须安装本体后再进行配线。

 

(4) Wiring should be done after installation of breaker body.

9.2 

运行注意事项

Precautions in operation

1

)湿手不能操作断路器,否则可能发生电击事故

;

(1) Do not operate the breaker with wet hands, or electric shock would be resulted;

2

)断路器不能频繁操作,否则会缩短断路器的使用寿命

;

(2) Frequent operation will shorten service life of the breaker;

本产品是在完善的品质管理体系下制造的,当万一发生故障时,对保修期与售后服务特作如下说明:

This  product  is  manufactured  in  a  sophisticated  quality  management  system.  In  case  of  fault, 
following warranty and after services clauses are applicable:

保修期

/ Warranty period

在用户遵守保管和使用条件下,从本公司发货之日起,不超过

36

个月,断路器封印完好,产品如

因制造质量问题而发生损坏或不能正常使用时,本公司负责无偿修理或更换。但是,如由于下述原因引
起的故障,即使在保修期内亦作有偿修理或更换。

On the premise of user

s compliance with reservation and use specifications of the breaker, for 

breakers whose delivery date is within 36 months from now and whose seals are intact, Nader will 
repair  or  replace  any  of  these  breakers  which  are  damaged  or  cannot  work  normally  due  to 
manufacture  quality.  However,  as  for  faults  caused  by  following  reasons,  Nader  would  repair  or 
replace the breaker with a charge even it is still in warranty.

1

)由于使用错误、自行改装及不适当的维修等原因

;

(1) Misuse, unauthorized modifications and improper repair, etc.;

2

)超过标准规范的要求使用

;

(2) Use during which standards and specifications are violated;

3

)购买后由于摔落及安装过程中发生损坏等原因

;

2019.12.31

文件控制

Summary of Contents for NDM3EU-400

Page 1: ...ons Doc Code NDT2920257 Edition 1 Version 1 Product Model and Name NDM3EU 400 NDM3EU 400 MCCB Implementation Date 2019 08 19 Shanghai Nader Electrical Co Ltd NDM3EU 400 NDM3EU 400 Electronic MCCB Oper...

Page 2: ...19 1 Contents 2 Application Scope and Purpose 2 Description of Model 3 Technical Parameters 7 Working Environment 8 Dimensions and Installation Dimensions 9 Installation 10 Accessories 11 Operation a...

Page 3: ...and instantaneous short circuit the breaker can protect the circuit and electric power unit from being damaged 2 Description of model 1 Description of model is shown as follow Table 1 1 Table 1 Descri...

Page 4: ...and Bottom Horizontal Z2H4 Plug in Rear Connection Top Horizontal and Bottom Vertical 12 Ir A Setting current Ir A AC 250 AC 300 AC 350 AC400 AC 250 AC 300 AC 350 AC 400 13 Certification code U UL489...

Page 5: ...UPS working environment by customer Pollution class 3 Protection class IP20 Circuit breaker UL489 Certification Lug UL486E Accessories Terminal cover Double Auxiliary Contacts Shunt Trip Plug in Pre...

Page 6: ...rating Suitable combinations of current and time are adjusted by this knob so as to protect circuits and devices This operation should be done by specialized technical personnel 1 Tr Ir 2 Ir 400A Tr...

Page 7: ...lay a Ir 3 a Setting current Ir of overload long delay Allowable deviation is 3 b Tr 10 b Setting time Tr of overload long delay Accuracy of action time is 10 c I 1 15 Ir tr 2 Ir I 2 Tr c When actual...

Page 8: ...ing Environment 4 1 3 Storage condition is shown as follow Table 3 3 Table 3 Storage condition Item Specifications Ambient temperature 40 75 Relative humidity 25 95 when ambient temperature is 25 95 4...

Page 9: ...eed 50 at 40 the lowest temperature in the most humid month should not exceed 25 and the highest humidity in this month should not exceed 90 while condensation on breaker surface caused by temperature...

Page 10: ...low Table 6 6 Table 6 Installation dimensions Installation dimension Model L mm W mm H mm Y mm X mm mm Circuit breaker 277 150 123 204 48 6 Circuit breaker Plug in 357 150 155 158 70 6 2 6 Installatio...

Page 11: ...to test shunt release in the main circuit 4 12M 4 Insulation resistance should not be lower than 12M 6 2 Mounting method 3 4 Please install the breaker on flame retardants such as metal etc It can be...

Page 12: ...ram of shunt release is shown as follow Fig 5 5 Fig 5 Wiring diagram of shunt release 7 2 Auxiliary contact 7 3 Peripheral control circuits of connection of auxiliary contacts 8 Technical Data of auxi...

Page 13: ...at no short circuit or short to ground occurs between terminals of opposite polarity or exposes live parts 3 3 Check that terminal connection and fixing bolts are fastened without looseness 8 2 Commis...

Page 14: ...cludes following procedures 1 5 1 Re trip the breaker close and open the breaker use trip button to trip the breaker when it is closed repeat for 5 times to check that the breaker can reliably re trip...

Page 15: ...breaker with wet hands or electric shock would be resulted 2 2 Frequent operation will shorten service life of the breaker This product is manufactured in a sophisticated quality management system In...

Page 16: ...er can functions normally or the breaker will be replaced with a charge 10 Ordering Instruction 10 1 10 1 Customer should confirm that he or she is familiar with technical files of this product and pl...

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