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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

3

Number of poles

8

脱扣器类型

Release type

3

:电子脱扣器

3

Electronic type

No

9

附件代号

Accessory code

分励脱扣器

+

双辅助触头:

40

Shunt  Trip  +  Double  Auxiliary 
Contact

40

无代号:常规接线

No Code: Normal

10

端子形式代号

Terminal type

L

:接线柱

L

Lug

无代号:固定式板前接线

No code: Fixed Front Connection

11

接线形式代号

(Wiring type code

Z2H1

:插入式板后接线、上

下水平

Z2H2

:插入式板后接线、上

下垂直;

Z2H3

:插入式板后接线、上

垂直下水平;

Z2H4

:插入式板后接线、上

水平下垂直。

Z2H1

  Plug-in Rear Connection

Top and Bottom Horizontal;
Z2H2

  Plug-in Rear Connection

Top and Bottom Vertical;
Z2H3

  Plug-in Rear Connection

Top 

Vertical 

and 

Bottom 

Horizontal;
Z2H4

  Plug-in Rear Connection

Top 

Horizontal 

and 

Bottom 

Vertical.

12

整定电流

  Ir(A)

Setting current Ir(A)

AC 250

AC 300

AC 350

AC400

AC  250

AC  300

AC  350

AC 

400

13

认证代号

(Certification code)

U

UL489

U

UL489 Only

3.

技术参数

Technical parameters 

3.1 NDM3

EU

主要技术参数见下表

2

Main technical parameters of NDM3

EU

 are shown as follow Table 2

2

主要技术参数

Table 2 Main technical parameters

型号、规格

Model and specification

NDM3

EU

-400

极数

Numbers of poles

3

额定电流(

A

AC 400

整定电流(

A

Setting Current (A)

AC 250

AC 300

AC 350

AC 400

额 定 绝 缘 电 压 (

V

Rating  insulation 

voltage (V)

AC800

额定冲击耐受电压(

V

Impulse withstand voltage

V

8000

额定工作电压(

V

Rating working voltage

V

AC 240

AC 480

AC 600

AC 240 V: 65/25

分断能力(

kA

Breaking capacity(kA)

AC 480 V: 35/18

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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