建筑电气常用数据速查表资料

建筑电气常用数据速查表资料

2-3片组合涂漆母线的载流量(0

n70℃0a25℃)

母线尺寸

(宽X厚,mm)铝(A)铜(A)

交流直流交流直流

2片3片2片3片2片3片2片3片

40X48551090

40X59651250

50X511801525

50X6.313151700

63X6.313501720155519401740224019902495

80X6.316302100205524602110272026303220

100X6.319352500251530402470317032453940

80X82040262024002975262033703095385080X102410310027353440

3100399035104450

100X823903050294536203060393038104690

125X826503380335042503400434044005600

63X1020102650211027202560330027253530

2.5323130444241

4434240585654

6565452767370

环境温度（°0303540

导线根数2〜45,89~1212以上2〜4509~12

12以上2〜45~89〜1212以上

标称截面(mm2)明？敷

0.75129761187611876

1.0141098131087131087

1.5161412101813111017131110

2.5251916142418151324181513

4341821191625211932242018

6443328254332272441312623

BV-105型耐热聚氯乙烯绝缘铜芯电线的载流量(。nlO5℃)

截面

(mm2)明敷(A)2根穿管(A)管径(顾)3根穿管(A)管径(mm)4根穿

管(A)管径(mm)

50℃55℃60℃65℃50℃55℃60℃65℃GDG

50℃55℃60℃65℃GDG50℃55℃60℃65℃G

DG

1.52523222119181716151617161514151616

1514131516

2.53432302827252423151625232221151623

2120191519

4474442403937353315193432302815193129

28262025

6605754515148464320254441393720254038

36342025

108984807576726864202567636057253259

5653502532

16123117111104959085812532858176

722532757167633238

2516515714914012712111410832

381131071029632381019691863251

3520519118517416015214413632

381381311241173251126120113107

5051

5026425123822520219218217240

511791701611524051159151143135

5051

7031029528026424022821720450

512132031921815051193184174164

95380362343324292278264249

502622492362236523322221019865

120448427405382347331314296

653112962812656527526124823465

150519494469442399380360340

653623453273086532030528927280

注：1.本电线的聚氯乙烯绝缘中加了耐热增塑剂，线芯允许工

作温度可达105。仁适用于高温场所，但要求电线接头用焊接或绞接后

表面锡la处理。

电线实际允许工作温度还取决于电线与电线及电器接头的允许

温度，当接头允许温度为95。(2时，表中数据应乘以0.92,85。€：时应乘

以0.84o

2.BLV-105型铝芯耐热线的载流量可按表中的数据乘以0.78o

3.本表中载流量数据系编者经计算得出，仅供参考。BV、

BLV型绝缘线穿半硬塑料管、波纹管管径选择单位:nnn

导线截面

(mm2)导线根数

23456789101112

1.0

1.5162025

2.52532

6253240

10324050

16

25405063

35

505063

70

9563

120

注半硬塑料管、波纹管的公称管径指外径。BV、BLV型绝缘线

穿半硬塑料管、波纹管管径选择单位:顾

导线截面

(mm2)导线根数

23456789101112

1.0

1.5162025

2.52532

420

6253240

10324050

16

25405063

505063

70

9563

120

注:半硬塑料管、波纹管的公称管径指外径。

BV、BLV型绝缘线穿硬塑料管(轻型)管径选择单位:mm导线

截面

(mm2)导线根数

23456789101112

1.020

1.5162025

2.5

42532

6203240

1025324050

16

2532405063

35405063

50

7050

95

12063

150

注硬塑料管（轻型）的公称管径指外径。

BV、BLV型绝缘线穿硬塑料管(重型)管径选择单位:mm导

线截面

(mm2)导线根数

23456789101112

1.0

1.5162025

2.5

4202532

63240

1025324050

16

254050

35

5050

70

注硬塑料管(重型)的管径指外径。

BVV,BVVB绝缘电线穿管暗敷时持续载流量

型号BVV?BVVB

额定电压(KV)0.30/0.50

芯数单、双芯

导体工作温度(。070

环境温度(°0303540

导线根数2〜45、89〜1212以上2〜45〜89〜12

12以上2〜45〜89〜1212以上

标称截面(mm2)穿管敷设

1.517131191511109141198

2.5231715132216141220151311

4302319172922181626201715

6392925223728232134262219

10544134315138322947353027

16735546416851433863474036

25977361549068575184634740

36115867265108816761100756356

BVV,BVVB绝缘电线明敷时持续载流量

型号BVV?BVVB

额定电压(KV)0.30/0.50

必「-f-H-•-FH—--4-HnTlT-FH

心数一心一心二心四心五心

导体工作温度(。070

环境温度(°03035403035403035403035403035

40

标称截面(mm2)明敷

1.0201817131211

1.5252422211918181716161514151413

2.5353230292725242321232220211918

4454239383633323028302826282624

6585450494643413936383633363331

10797569686459595551535046494643

16918579787368706661666257

额定电压（KV）0.45/0.75

导体工作温度（°C）70

环境温度（°0303540303540

导线排列o-s-o-s-o

导线根数2〜45〜89〜1212以上2、45〜89〜1212?

以上2、45〜89〜1212以上标称截面(mm2)

导线穿管敷设载流量(A)

明敷载流量(A)

1.5232220139871297611876

2.5312927171311101612109151198

4413936241815132217141221151311

6535046312319172921181620201615

10746964443328254131262338292421

16999386604538345742353252393229

251321241158362524777574843705344

39

35161151140103776458967260548866

5549

50201189175127957971117887366

108816760

7025924322516512310392152114

95851401058778

95316297275207155129116192

14412010817613211099

120374351325245184153138226

170141127208156130117

150426400370288216180162265

199166149244183152137

185495464430335251209188309

232193174284213177159

240592556515396297247222366

27522926336252210189

BX、BLX型绝缘线穿硬塑料管(轻型)管径选择单位:nrni导线截

面

(mm2)导线根数

23456789101112

1.0

1.5202532

2.5

43240

6

100X1028603650335041603610465043255385

125X1032004100390048604100520050006250

380V铜导线负荷力具(KV.m,cosl)

电压损失

(u%)导线截面(mm)664093001260015900

1.52.54610162535507095120

1.0125208332498830133020802950

4150586078909960

1.2150249398598996159024903490

49806970946011950

1.41752914656971160186029004070

581081301100013900

1.62003325317971330212033204650

16

25405063

35

505063

70

9563

120

注硬塑料管(轻型)的管径指外径。

BX、BLX型绝缘线穿硬塑料管(重型)管选择单位(mm)导线截面

(mm2)导线根数

23456789101112

1.0

1.5202532

2.5

425

6324050

10324050

16

254050

35

5050

注硬塑料管（重型）的公称管径指外径。

BX绝缘电线明敷及穿管时持续载流量注：明敷载流量值系根据

S2DeDe-电线外径计算

型号BX

额定电压（KV）0.45/0.75

导体工作温度（。C）65

环境温度（°0303540303540

导线根数2〜45〜89〜1212以上2-45洛

以上2、45〜89〜1212以上

导线排列0-S-0-S-0

导线根数2〜45〜89〜1212以上2-45洛9-1212?

以上2、45〜89〜1212以上

标称截面(mm2)导线穿管敷设载流量(A)

1.5242220139871297611876

2.5312826171311101612109151198

44138352317141321161312201512

65349452922181628211715251916

107368624332272440302522372720

169890835844363353403330493728

2513012011080605045735546685142

38

3516515314099746256916857846352

47

70254234215155116978714410890

8113Z>998274

95313289265198149124111193

14412010816812610594

120366338310231173144130213

160133120196147122110

150419387355269201168151248

186155139228171142128

185484447410311233194175287

215179161264198165148

240584540495373279233209344

258215193316237197177

HYV.0.5电话电缆在线槽内允许容纳根数

安装方式金属线槽容纳电缆根数塑料线槽容纳电缆根数电话电缆

型号对数墙上或支架地面内墙上或支架

HYV-0.510365213635111416

2024415252381012

30233111312678

45X3055X4045X4565X12050X2570X3640X3060X30

80X50100X50120X5050

2271211345

80

11

粗聒支线型号

H-

展

34

线槽内电话电缆与电话支线换算

电话支线型号HYVO5电话电缆对数

1020305080100

RVS-2X0.281216253744

RVS-2X0.57811182531

电话电缆型号对数HYV-0.5电缆对数

100805030相当于电缆根数

HYV-0.105432

204321

30321—

5021——

LJ铝芯绞线持续载流量

标称截面(mm2)导体工作温度(。07080

90

载流量(A)

1685100110

25110135150

35135160185

50170200230

70210255290

95250305345

120290355405

150325400460

185370455525

240435540620

LGJ钢芯铝绞线持续载流量

标称截面(mm2)导体工作温度(。C)

708090

载流量(A)

10667887

1685100115

25110130150

35135160180

50160190220

70195230265

95230270300

120260300335

150325395455

185370460530

240440545635

架空电缆持续载流量(A)(参考值)

电缆型号额定电压(KV)标？称？截面(mm2)

162535507095120150185

JKLY0.6/16787110130165200230260

300

3褥LYJ10—95115140170205235265

注:架空电缆导体工作温度90。C,环境温度40。C.

LJ、HLJ、LGJ型裸铝绞线的载流量(0n7(TC)

截面

室内室外室外室外

25℃30℃35℃40℃25℃30℃35℃40℃25℃

30℃35℃40℃25℃30℃35℃40℃

10555248457570666174706661

168075706510599928596918579105.9892

85

251101039789135127119109126

119111103135127119109

35135127119109170160150138

154145136126170159149137

50170160150138215202189174

222208193275259228222

260244229211325305286247

266249231335315295272

310292273251375352330304

306286265380357335307

370348326300440414387356

353330306445418391360

425400374344500470440405

400374347515484453416

610574536494496467437405

574536494

680640597550570536502465

70236658615566

95283

12032

4

15037

5

18542

5

24061

0

30070

0

单片母线的载流量

(0n70℃)母线尺寸

(宽X厚,nrni)铝(A)铜

(A)交流直流

交流直流

25°C

30℃40℃25℃30℃35℃40℃

35℃30

35℃25℃30℃35℃40℃℃

40℃

50X5665625585539670630590860809756697870818765705134

174

215

300

389

446

543

50x6.3740695651600745700655

604955898840774960902845778

63x6.3870818765705880827775

71311251056990912114510791010928

80x6.3115010801010932117011001030

95014801390130012001510142013301225

100x6.31425134012551155145513681280

118018101700159014701875176016501520

63x810259659028311040977915844

13201240116010701345126511851090

80x813201240116010701355127411921100

16901590149013701755165015451420

100x816251530143013151690159014881370

20801955183016852180205019201770

125x819001785167015402040191817951655

24002255211019452600244522902105

63x10115510851016936118011101040956

14751388130011951525143213401235

80x1014801390130012001540145013551250

19001786167015401990187017501610

100x101820171016001475191017951680

155023102170203018702470232021752000

注本表系母线立放的数据。当母线平放且宽度W63mm时，表

中数据应乘以0.95,63mm时应乘以0.92。

电力电缆穿金属管最小管径

507095120150

0.6/1KV电缆标称截面(MM2)1.52.54610162535

507095120150185

或水煤气钢管(RC)

焊接钢管(SC)

或水煤气钢管(RC)管径(mm)电缆穿管长度在30m及以

下直线20253240507080

一个弯曲时2532507080100

二个弯曲时3240507080100125

1.82253745988961490239037505230

7470105001420017900

2.02504156649961660266041505810

8300116001580019000

2.227445773011001830292047506390

9100128001730021900

2.429949879712001990319049806970

9960139001890023900

2.632454086312902160345054007550

10800151002050025900

2.834958193013902320372058208130

11600163002210027900

3.037462399614902490398062308720

12500174002370029900

3.2398664106015902660425066409300

13300186002520031900

3.4423706113016902820452070609880

14100198002680033900

3.64487471200179029904780747010500

14900209002840035900

3.84737891260189031505050790011000

15800221003000037800

YJV

YJLV

0.6/1KV电缆标称截面(MM2)1.52.54610162535

507095120150185

或水煤气钢管(RC)最

焊接钢管(SC)

嬲S嫉铺蟒掰尿榭M(MM2)(mm)电缆穿管长度在30m及以

下直线15202532405070

一个弯曲时1520253240507080

二个弯曲时3220253240507080

ZQD

ZLQD

0.6/1KV电缆标称截面(MM2)162535507095120150

185240

或水煤气钢管(RC)最小管

焊接钢管(SC)

或水煤气钢管(RC)最小管径(mm)

电缆穿管长度在30m及以下直线3240507080

一个弯曲时40507080100

二个弯曲时507080100125

注:适用于三芯、三芯+N及四芯等截面电力电缆。

电力电缆穿金属管最小管径

VV

VLV

0.6/1KV电缆标称截面(MM2)1.52.54610162535507095120

聚氯乙烯硬质电线管(PC)最小管径(mm)

电缆穿管长度在30m及以下直线202532405063

一个弯仙时202532405063

二个弯曲时2532405063

YJV

YJLV

0.6/1KV电缆标称截面(MM2)1.52.54610162535507095120

聚氯乙烯硬质电线管(PC)最小管径(mm)

电缆穿管长度在30m及以下直线202532405063

一，个弯曲时202532405063

二个弯曲时2532405063

ZQD

0.6/1KV电缆标称截面(MM2)

ZLQD

0.6/1KV电缆标称截面(MM2)162535507095120

聚氯乙烯硬质电线管(PC)最(mm)

电缆穿管长度在30m及以下直线324050

一个弯曲时32405063

二个弯曲时405063

注:适用于三芯、三芯+N及四芯等截面电力电缆。

电话电线电缆穿管最小管径

管材种类导线规格型号电话支线穿管对数

123456789

最小管径(mm)

导线穿电线管(TC)或聚氯乙烯管(PC)RVB-2X0.2RVS-2X0.2

2X0.516202532

2X0.520253240

黑线窈哪钢管(SC)或水煤气钢管(RC)RVB-2X0.2

2X0.5152025

2X0.515202532

导线根数123456

管材种类TCSC

PCRCTCSC

PCRCTCSC

PCRCTCSC

PCRCTCSC

PCRCTCSC

EG赳2X0.2

导线型号导线穿管最小管径(mm)

2X0.51615201525203220322532

同轴电缆根数12345

管材种类TCSC

TCSC

S

RCTC

C

S

RCTC

C

S

RCTCr

RC

同轴电缆型号规格电缆穿管最小管径（mm）

SYV-

SS-75-5-4161525202520322540

32

75-7-425203225403250405050

75-9-42525403250405050-50

不同环境温度下载流量修正系数

导体工作温度（o。环境温度（oC）（空气中）

101520253035404550

501.701.621.521.421.321.221.000.75

601.581.501.411.321.221.111.000.86

0.73

651.481.411.341.261.181.091.000.89

0.77

0.89

701.411.351.291.221.151.081.000.9100

0.93

0.81

801.321.271.221.171.111.061.

0.86

901.261.221.181.141.091.041.000.94

不同环境温度下载流量修正系数

导体工作温度（o0环境温度（°C）（土壤中）电缆在空气中

并列敷设时载流量修正系数

101520253035

501.261.181.101.000.890.77

601.201.131.071.000.930.85

651.171.121.061.000.940.88

701.151.111.051.000.940.88

801.131.091.041.000.950.90

901.111.071.041.000.960.92

根数载流量修正系数

1236468912Sld1.000.900.850.800.

80

0.820.80-

S2dL000.980.900.950.900.850.80

S3dl.001.000.980.980.980.900.850.85

电压(KV)

0.81.0

1

35及以下

50〜120

150A300

不同土壤热阻系数的载流量修正系数

聒瞰似止1.蜃面范围(mm2)土壤热阻系数？PT

0.81.01.21.51.82.0.53.0

1

35及以下

50〜120

150八300

400及以上1.061.000.950.890.840.810.75

0.71

1.081.000.940.870.800.770.700.65

1.081.000.930.860.790.760.690.64

1091.000.930.850.790.760.680.63

10

35及以下

50〜120

150人300

400及以上1.051.00

4.04988301330199033205310830011600

16600232003150039800

4.25238721390209034905580872012800

18300256003470043800

4.45499131460219036505840913012800

18300256003470043800

4.65789551530229038206110955013400

19000267003630045800

4.85989961590239039806370997013900

19900279003780047800

5.0623103816602490415066401040014500

20800290003940049800

380V铝导线负荷力距(KV.mcosl)

电压损失

(u%)导线截面(mm)49006650

2.5446102535507095

1.0125200300500800125017502500

35004750

1.2150240350600960150021003000

42005700

1.41752804207001120175024503500

1.620032048080012802000280040001260017100

56007600

1.82253605409001440225031504500

63008550

2.025040060010001600250035005000

70009500

2.227544066011001760275038605500

770010450

2.430048072012001920300042006000

840011400

2.632552578013002080325045506500

910012350

2.835056084014002240350049007000

980013300

3.037560090015002400375052507500

1050014250

3.240064096016002560400056008000

1120015200

3.4425680102017002720425059508500

1190016150

3.6450720108018002880450063009000

3.8475760114019003040475066509500

1330018050

4.05008001200200032005000700010000

1400019000

4.25258401260210033605250735010500

1470019950

4.45508801320220035205500770011000

1540020900

4.65759201380230036805750805011500

1610021850

4.86009601440240038406000840012000

1680022300

5.062510001500250040006250875012500

1750023750

BLV绝缘电线明敷及穿管时持续载流量(注：明敷载流量值系根

据？S2DeDe.电线外径计算)

型号BLV

额定电压(KV)0.45/0.75

导体工作温度(°C)70

环境温度(°C)303540303540

导线排列o-s-o-s-o

导线根数2〜45〜89根212以上2〜45〜89〜1212?

以上2〜45〜89〜1212以上标称截面(mm2)

明敷载流量(A)

导线穿管敷设

2.5242321载流星(A)71398712976

43230281814111016121091612109

6413936241815132217141221151311

10565349332521193123191