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文件编号:

NDT2920016 

文件版本:

 

地址:上海市浦东新区申江南路

2000

           

邮编:

201315         

电话:

(021)68586699         

传真:

(021)23025796

                                 

  18 

 

  24 

 

8.

 

附件说明书/ Accessory 

8.1 欠压脱扣器 
断路器带有欠压脱扣器时,应使欠电脱扣器先通电,断路器才允许合闸. 
根据外挂欠电压模块上的接线端子编号接入电源(直流电源不必区分正负极) 

当电源电压下降到欠压脱扣器额定工作电压的 35%~70% 

范围内时,欠压脱扣器能可靠的分断断路器;当电源电压 
低于欠压脱扣器额定工作电压的 35%时,欠压脱扣器能防 
止断路器闭合;当电源电压高于欠压脱扣器额定工作电压 
的 85%时,欠压脱扣器能保证断路器可靠闭合。 
8.1Undervoltage tripper 

When the breaker has an undervoltage tripper, the undervoltage tripper should be electrified, and 

then the breaker allows switch on. 

Power supply is accessed according to wiring connector number on   

the external undervoltage module (anode and cathode of DC power supply 
are not differentiated). 
When power voltage declines to 35%~70% of the rated working   
Voltage of undervoltage tripper, the undervoltage tripper can   
reliably break the breaker up; when power voltage is lower than 
the rated working voltage of undervoltage tripper by 35%, the   
undervoltage tripper can prevent the breaker from closing; when   
power voltage is higher than the rated working voltage of   
undervoltage tripper by 85%, the undervoltage tripper can 
guarantee the reliable closure of breaker. 
8.2 分励脱扣器 

根据引出的导线编号接入电源(直流电源不必区分正 

负极)。当分励脱扣器的外加电压介于额定控制电源电压的 70%-110%  之间时,能可靠分断断路器。 
8.2 Shunt tripper 

Power supply is accessed according to wiring connector number on   

the external undervoltage module (anode and cathode of DC power supply 
are not differentiated).When impressed voltage of shunt tripper is between 
70%  and  110%  of  rated  control  power  voltage,  the  breaker  can  be  reliably 
broken. 
 

分励脱扣器接线图 

Wiring diagram of shunt tripper 

欠压脱扣器接线图 

Wiring diagram of under-voltage release 

Summary of Contents for NDM2 Series

Page 1: ...DT2920016 4 2000 201315 021 68586699 021 23025796 1 24 Shanghai Liangxin Electrical Co Ltd NDM2 NDM2 Series MCCB Product Manual IPD ENG DEV T32 A0 2019 11 05 2020 10 20 2020 10 20 2020 10 20 2020 10 2...

Page 2: ...01315 021 68586699 021 23025796 2 24 3 3 1 Update the technical patameters of project 3 see table 1 for details 20200725 Wang Hu Peng Haoran Hu Qi 4 Change the altitude derating factor 20201020 Wang H...

Page 3: ...ation scope 4 2 Model and implication 4 3 Main technical parameters 7 4 Stand working conditions 9 5 Wiring Method 11 6 Shape dimension Dimension 12 7 Mounting Method 17 8 Accessory 18 9 Application M...

Page 4: ...d and marine use The rated working voltage i s AC 690V with the insulation voltage of 1000V will be suitable for in frequency switching of circuits and starting of motors in 50 60Hz circuit The breake...

Page 5: ...ents motor protection 12 4 N N pole type of four pole product below A N N A N pole is always close without overload release B N N B N pole is open or close together with other three poles and without...

Page 6: ...ps of double auxiliary contact 60 Two groups of single auxiliary contact 61 Double auxiliary contact single auxiliary contact 62 Undervoltage release double auxiliary contact 70 Undervoltage release s...

Page 7: ...echanical life 20000 NDM2 63M 52 5 38 NDM2 63 4P 52 5 38 NDM2X 125 125 35 26 25 380 400 415 16 20 25 32 40 50 63 80 100 125 Electrical life 8000 Mechanical life 20000 NDM2 125C 25 18 75 NDM2 125L 36 2...

Page 8: ...s NDM2 400C 400 35 26 25 100 400 415 50 60 225 250 315 350 400 Electrical life 7500 Mechanical life 10000 NDM2 400L 50 37 5 NDM2 400M 65 48 75 50 50 500 20 15 690 NDM2 400H 100 75 400 415 NDM2 400 4P...

Page 9: ...r 6 Resisting effects by salt mist and oil mist 7 Resisting the effects by mould 8 Installation category for the breaker which is connected to main circuit Installation category for the breaker which...

Page 10: ...2 0 901 0 879 5 630 1 0 979 0 958 0 937 0 915 0 893 0 871 6 800 1 0 980 0 960 0 939 0 918 0 897 0 877 5 table5 Molded Case Circuit Breaker Derating Coefficient Table in High altitude Place m Altitude...

Page 11: ...0 M12 28 M6 6 5 Wiring Method 7 Table 7 of sectional area and applicable rated current adopted in wiring A Rated current A 10 12 5 16 20 25 32 40 50 63 80 100 125 140 160 180 200 225 250 315 350 400 W...

Page 12: ...25796 12 24 6 Shape dimension Dimension 1 2 This product can also be front plate connector wiring on back of the board specific see Figure 1 figure 2 1 Fig 1 Front connection NDM2 63 800 NDM2X 125 2 F...

Page 13: ...H5 79 73 78 H4 54 53 58 Front connection L2 117 132 144 H3 7 7 5 H2 20 5 27 5 24 24 H1 90 5 98 5 86 104 110 127 L1 172 250 291 W2 103 122 142 H 74 81 5 69 87 5 86 103 L 135 150 165 W1 50 60 30 60 70 W...

Page 14: ...ons d 7 7 7 B 194 200 243 A 44 58 70 Dimentions Rear connection H5 82 88 98 H4 42 44 33 Front connection L2 223 6 234 243 H3 9 8 11 5 H2 38 43 40 43 H1 157 159 159 L1 475 488 498 W2 198 240 280 H 106...

Page 15: ...terminal cover Without a terminal cover NDM2 63 25 65 30 30 NDM2 X 125 25 65 30 30 NDM2 250 25 65 30 30 NDM2 400 25 120 35 35 NDM2 630 25 120 35 35 NDM2 800 25 120 35 35 6 2 6 2Minimum center distance...

Page 16: ...t breaker from bottom With a terminal cover Without a terminal cover NDM2 63 90 90 NDM2 X 125 90 91 NDM2 250 90 93 NDM2 400 155 155 NDM2 630 155 155 NDM2 800 155 155 1 2 3 Note 1 Cable insulating conn...

Page 17: ...s carried out on the breaker again 500VDC tramegger When breaker is broken up insulation test is conducted separately between connecting panels 1 2 3 4 5 6 connecting panels 1 3 5 and shell Undervolta...

Page 18: ...ly break the breaker up when power voltage is lower than the rated working voltage of undervoltage tripper by 35 the undervoltage tripper can prevent the breaker from closing when power voltage is hig...

Page 19: ...C400V 0 15 DC220V 8 3 2 8 3 2 Status indicator diagrams of auxiliary and alarm contacts Accessary Name Status of breaker Connection status of circuits Auxiliary contact Breaking or free tripping Closi...

Page 20: ...5 6 The switch cabinet door equipped with rotary handle is closed The handle should be operated freely The breaker should be opened when the handle is at the horizontal position and it should be close...

Page 21: ...onal technicians To guarantee quality the company provide internal and external accessories to customer according to the subscribed type The company is free from responsibility if the customer purchas...

Page 22: ...wire connection base for insertion wire connection of the breaker are fixed on an installation panel 2 Connected to main circuit 2 1 Wiring operation should be carried out by professional technicians...

Page 23: ...r maintenance or exchange should be paid in warranty period if the error is caused by any one of the following reasons 1 Improper use self refit improper maintenance and so on 2 Use out of the standar...

Page 24: ...e a knowledge of technical documents of this product and maker order by an Ordering rule table in accordance with the future practical use of breaker Shanghai Liangxin Electrical CO LTD 2000 No 2000 S...

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