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文件名称

Doc. Name

使用说明书

Operating Instructions

文件编号

Doc. Code

NDT2920257

   

Edition

1

Version 1

产品型号

及名称

Product 

Model and 

Name

NDM3

EU

-400 

塑料外壳式断路器

NDM3

EU

-400 MCCB

实施日期

Implementation 

Date

2019-08-19

上海良信电器股份有限公司

Shanghai Nader Electrical Co., Ltd.

NDM3

EU

-400

使用说明书

电子式塑壳断路器

NDM3

EU

-400 Electronic MCCB

Operating Instructions

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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