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07

Table 3 NXM series back-panel wiring overall and installation dimension

Unit: mm

Dimen-

sion

Overall 
dimen-

sion

Installa-

tion 

dimen-

sion

Code

Specification

NXM-63

NXM-125

NXM-160

NXM-250

NXM-400
NXM-630

NXM-800

NXM-1000

W

P1

P2

P3

P4

P5

P6

P7

P8

P9

P10

M2

φd1

M1

φd2

φD

L2

B

L4

L5

L6

L7

L8

K

Q

A

Φd3

25

——

67.5

100.5

——

44.5

50.5

——

——

8.5

29.5

M8

——

M6

5.5

11.8

121

117

92

144

3P:80

4P:106

75

159

3P:50

4P:75

60

25

4.5

30

——

63.5

96.5

——

——

75

——

135

13

38

M8

——

M10

8

11

135

130.5

106

167

3P:94

4P:124

——

——

3P:60

4P:90

72

30

4.5

35

——

67.5

108.5

——

77

95

132

150

13

47.5

M10

——

M10

6

12

147

126

108

184

3P:107

4P:142

——

——

3P:70

4P:105

76

35

4.5

44

40

58

75

93

88

111

——

——

25

60

——

φ12

M10

9

33

225

194

168

283

3P:142

4P:187

169

281

3P:88

4P:132

145

44

7

58

46

66

77

99

92

110

——

——

23

60

——

φ16

M12

9

40

235

200

168

302

3P:178

4P:236

170

300

3P:100

4P:166

124

58

7

70

64

84

——

——

143.5

158.5

——

——

27

87

——

φ16

M12

12

40

243

243

177

309

3P:214

4P:284

181

305

3P:90

4P:185

146

70

7

Summary of Contents for NXM Series

Page 1: ...NO 2021 04 Standard IEC EN 60947 2 NXM Series Moulded Case Circuit Breaker User Instructions ...

Page 2: ...ductive part when the product is operating When the product is being installed or maintained the power must be switched off The product must not be installed in the place where gas medium can corrode metal and damage insulation In order to avoid dangerous accidents the installation and fixation of the product must be carried out in strict accordance with the requirements of the user instructions 5...

Page 3: ... protection provided by enclosure IP30 except wiring terminals g Rated insulation voltage Ui 800V NXM 63 160 125 250 1000V NXM 400 630 800 1000 1250 1600 Use Information Inspection and Test Figure 1 Inspection Tool Cross screwdriver 1 Determine product technical parameters 2 Only qualified and professional technicians are allowed for installation operation and maintenance Type Screw Nut Flat gaske...

Page 4: ...00 NXM 630 NXM 800 NXM 1000 NXM 1250 NXM 1600 S X 50 25 100 50 Re triping Making Breaking Making Tripping CLICK Figure 3 Test 3 Overall and Installation dimension Under voltage release L B C L1 E J E1 M W3 W F 2 φd L B C L1 E J E1 M W4 W1 F 4 φd A 2P 3P Under voltage release Figure 4 1 NXM 63 250 front panel wiring overall and installation dimension ...

Page 5: ...nder voltage release Unit mm Overall dimen sion Dimen sion Code Specification NXM 63S NXM 125S NXM 63H NXM 125H NXM 160S NXM 160H NXM 250S NXM 250H C E E1 F G G1 J Hmax H1 H2 H3 H4 L L1 M W W1 86 55 5 27 5 23 17 5 8 17 5 88 51 7 24 5 29 16 5 7 5 25 102 56 30 5 29 23 10 25 90 71 64 21 21 100 81 74 31 31 96 75 5 62 112 91 77 5 98 77 62 23 123 102 87 24 135 121 49 56 78 24 5 24 5 155 135 50 63 90 24 ...

Page 6: ...G1 4P H4 H3 H2 H1 Hmax Sectional view of wiring Under voltage release Under voltage release Table 2 NXM 400 1600 overall and installation dimension Unit mm Overall dimen sion Dimen sion Code Specification NXM 400 NXM 630 NXM 800 NXM 1000 NXM 1250 NXM 1600 C E E1 F G G1 J 150 92 46 50 32 5 11 5 25 160 91 45 50 44 5 15 25 170 100 52 60 44 5 15 25 175 120 37 8 78 53 15 25 Dimen sion Code Specificatio...

Page 7: ...16 200 7 168 118 106 42 43 280 243 106 210 280 70 140 210 70 140 243 7 2 202 153 143 57 57 207 158 148 65 65 370 342 92 5 210 280 70 140 210 70 140 314 6 Installa tion dimen sion Figure 6 NXM 63 250 rear wiring overall and installation dimension Figure 7 NXM 400 800 rear wiring overall and installation dimension Dimen sion Code Specification NXM 400 NXM 630 NXM 800 NXM 1000 NXM 1250 NXM 1600 Table...

Page 8: ... φD 4 φd3 W 3P B L2 8 φD 6 φd3 W W W A A 4P B L2 N A P6 P8 Figure 8 NXM 1000 rear wiring overall and installation dimension Figure 9 NXM series rear wiring mounting plate hole dimension Figure 10 NXM series plug in wiring overall and installation dimension Figure 11 NXM 63 125 400 630 800 1000 plug in structure Figure 12 NXM 160 plug in structure Figure 13 NXM 250 plug in structure ...

Page 9: ...21 117 92 144 3P 80 4P 106 75 159 3P 50 4P 75 60 25 4 5 30 63 5 96 5 75 135 13 38 M8 M10 8 11 135 130 5 106 167 3P 94 4P 124 3P 60 4P 90 72 30 4 5 35 67 5 108 5 77 95 132 150 13 47 5 M10 M10 6 12 147 126 108 184 3P 107 4P 142 3P 70 4P 105 76 35 4 5 44 40 58 75 93 88 111 25 60 φ12 M10 9 33 225 194 168 283 3P 142 4P 187 169 281 3P 88 4P 132 145 44 7 58 46 66 77 99 92 110 23 60 φ16 M12 9 40 235 200 1...

Page 10: ... sectional area s NXM 250 s b c 120 c 8 11 X 13 φ8 5 a 10 b 23 5 a 10 φ8 5 b 23 5 4 Installation and Wiring Figure 14 NXM 63 NXM 125 connecting plate and wiring dimension Figure 16 NXM 250 connecting plate and wiring dimension Figure 15 NXM 160 connecting plate and wiring dimension Figure 17 NXM 400 connecting plate and wiring dimension Connect to breaker Installation Installation Connect to break...

Page 11: ...ring dimension Connect to breaker 43 50 8 5 58 90 15 φ17 φ14 10 43 50 58 90 15 φ17 φ14 c 20 19 X 21 φ14 a 15 b 43 Cross sectional area s 1 wire 2 wires s b c 600 s b c 300 M12 35 40N m Installation Connect to breaker 24 24 45 38 15 30 82 82 52 52 25 25 77 h 5 φ11 15 30 5 φ11 15 77 50 52 15 30 24 22 45 82 15 74 Unit mm Rated current 1600A 1250A 1000A h 20 15 50 15 30 M10 45 1000 1250 M10 55 1600 30...

Page 12: ...iven mechanism overall and installation dimension Figure 23 Wring of motor diven mechanism AC Table 4 NXM series motor riven mechanism overall and installation dimension Unit mm Dimen sion Overall dimen sion Code NXM 63 NXM 125 NXM 160 NXM 250 NXM 400 NXM 630 NXM 800 NXM 1000 NXM 1250 NXM 1600 Specification K B1 B2 T A B 74 102 51 92 25 117 90 116 53 97 30 130 5 90 116 60 5 97 5 35 142 130 176 88 ...

Page 13: ... φ36 10 77 NXM 63 125 160 250 400 630 800 1000 NXM 1250 1600 2 φ5 5 Figure 24 Manual operation mechanism installation dimension Table 5 NXM Series manual operation mechanism installation dimension Unit mm Size code NXM 63 NXM 125 NXM 160 NXM 250 NXM 400 NXM 630 NXM 800 NXM 1000 NXM 1250 NXM 1600 Specification N L 53 5 61 5 63 5 98 97 97 68 5 65 95 Figure 25 Wiring of special tripper for prepaid el...

Page 14: ...ground shall not be less than 10MΩ Insert in the direction of the arrow on the flash barrier Figure 27 Wiring of alarm contact Figure 29 Wiring of shunt tripper Figure 28 Wiring of under voltage tripper 6 Environmental Protection In order to protect the environment the product or product parts should be disposed of according to the industrial waste treatment process or be sent to the recycling sta...

Page 15: ...QC PASS Test date Please see The packing ZHEJIANG CHINT ELECTRICS CO LTD NXM Series Moulded Case Circuit Breaker IEC EN 60947 2 Check 17 13 ...

Page 16: ...d Case Circuit Breaker User Instructions Zhejiang Chint Electrics Co Ltd Add No 1 CHINT Road CHINT Industrial Zone North Baixiang Yueqing Zhejiang 325603 P R China E mail global sales chint com Website http en chint com ...

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