Product overview：
YB3 series asynchronous three-phase flameproof induction motor , has features as high efficiency , low noise and vibration , smooth and reliable operation , beautiful appearance , it is widely used in petroleum and chemical industry , coal and carbon in dusty . it’s flameproof performance is in accordance with GB3836.1”Explosive Atmosphere electrical Apparatus part 1,General Requirements”and GB3836.2”Explosive Atmosphere Electrical Apparatus par 2,Flameproof Typed”YB3 series is made to the flameproof type and suitable for explosive atmosphere field it is in accordance with IEC standard. And can be exported to the countries and areas that carry out IEC standard, as well as aplied to imported equipment.
YB3 series has rated voltage 380V、660V、380/660V、660/1140V,rated frequency 50Hz,enclosure protection IP55,cooling method IC411,insulation class Fevaluatedat calss B temperaturerise.it can continuously run in coal mine below 35℃ and in a plantunder 40℃ amblent.
We can develop specific induction motors as customers requirements . for various voltage , various frequency, various mounting mode , such as 220V、440V、60Hz etc. We provide our customers considerabie technical service.

Working condition：
Operating ambient temperature：-15~+40℃
Altitude：not more than 1000 m（over 1000m need special order）
Rated voltage：380V
Rated frequency：50Hz
Duty type：S1（continuous），allows starting with full voltage
Insulation class：F（other class should order）
Protection class：IP55
Type of cooling：IC411
Power 3kW and below the Y connection over △ connection


Technical data:

TypeRated OutputCurrent(A)at 380VSpeed(r/min)Eff(%)PowerFactor(cosφ)Max torqueLocked torqueLocked CurrentNoisedB(A)Weight（kg）KWRated torqueRated torqueRated CurrentSynchronous Speed 3000r/min 50Hz

YB3-801-2

0.751.77285077.40.832.32.36.86729

YB3-802-2

1.12.53285079.60.832.32.37.36730

YB3-90S-2

1.53.34285081.30.842.32.37.67235

YB3-90L-2

2.24.73285083.20.852.32.37.87238

YB3-100L-2

36.65287084.60.872.32.38.17646

YB3-112M-2

48.00289085.80.882.32.38.37758

YB3-132S1-2

5.510.9290087.00.882.32.28.08091

YB3-132S2-2

7.514.5290088.10.892.32.27.88096

YB3-160M1-2

1121.0294089.40.892.32.27.986143

YB3-160M2-2

1528.4294090.30.892.32.28.086151

YB3-160L-2

18.534.7294090.90.892.32.28.186173

YB3-180M-2

2241.1295091.30.892.32.28.288203

YB3-200L1-2

3055.7295092.00.892.32.27.590271

YB3-200L2-2

3768.3295092.50.892.32.27.590286

YB3-225M-2

4582.7296092.90.892.32.27.692350

YB3-250M-2

55100.7297093.20.892.32.27.693464

YB3-280S-2

75136.5297093.80.892.32.06.994615

YB3-280M-2

90163.3297094.10.892.32.07.094691

YB3-315S-2

110196.9298494.30.902.22.07.196976

YB3-315M-2

132235.6298494.60.902.22.07.1961091

YB3-315L1-2

160281.8298494.80.912.22.07.1981181

YB3-315L2-2

200351.5298495.00.912.22.07.1981266

YB3-355M-2

250439.4298095.00.912.22.07.11001840

YB3-355L-2

315553.6298095.00.912.22.07.11002020

THE TECHNICAL SPRCIFICA TIONS OF YB3 SERIES FLAMEPROOF MOTORS
TypeRated OutputCurrent(A)at 380VSpeed(r/min)Eff(%)PowerFactor(cosφ)Max torqueLocked torqueLocked CurrentNoisedB(A)Weight（kg）KWRated torqueRated torqueRated CurrentSynchronous Speed 1500r/min 50Hz

YB3-801-4

0.551.38139079.60.752.32.36.15829

YB3-802-4

0.751.84139079.60.752.32.36.85829

YB3-90S-4

1.12.65139081.40.752.32.37.36135

YB3-90L-4

1.53.57139082.80.752.32.37.66140

YB3-100L1-4

2.24.77142084.30.812.32.37.86447

YB3-100L2-4

36.34142085.50.822.32.38.16451

YB3-112M-4

48.4143086.60.822.32.38.36556

YB3-132S-4

5.511.2145087.70.822.32.28.07194

YB3-132M-4

7.515.1145088.70.832.32.27.871107

YB3-160M-4

1121.6146089.80.852.32.27.975149

YB3-160L-4

1528.8146090.60.862.32.28.075170

YB3-180M-4

18.535.4147091.20.862.32.28.176205

YB3-180L-4

2241.9147091.60.862.32.28.276226

YB3-200L-4

3056.8147092.30.862.32.27.579301

YB3-225S-4

3769.6148092.70.862.32.27.581325

YB3-225M-4

4584.5148093.10.862.32.27.681361

YB3-250M-4

55103148093.50.862.32.27.683488

YB3-280S-4

75137148094.00.882.32.06.986633

YB3-280M-4

90164148094.20.882.32.07.086734

YB3-315S-4

110198.6148494.50.882.22.07.193986

YB3-315M-4

132238.3148494.70.882.22.07.1931126

YB3-315L1-4

160285.6148494.90.892.22.07.1941226

YB3-315L2-4

200357148495.10.892.22.07.1941321

YB3-355M-4

250438.9148895.10.912.22.07.1952006

YB3-355L-4

315553148895.10.912.22.07.1952056THE TECHNICAL SPRCIFICA TIONS OF YB3 SERIES FLAMEPROOF MOTORS
TypeRated OutputCurrent(A)at 380VSpeed(r/min)Eff(%)PowerFactor(cosφ)Max torqueLocked torqueLocked CurrentNoisedB(A)Weight（kg）KWRated torqueRated torqueRated CurrentSynchronous Speed 1000r/min 50Hz

YB3-80M2-6

0.551.5489075.90.722.11.95.75436

YB3-90S-6

0.752.0991075.90.722.12.15.85736

YB3-90l-6

1.12.9391078.10.732.12.15.95738

YB3-100l-6

1.53.8793079.80.742.12.16.06146

YB3-112M-6

2.25.594081.80.742.12.16.06558

YB3-132S-6

37.497083.30.742.12.06.26989

YB3-132M1-6

48.797084.60.742.12.06.86999

YB3-132M2-6

5.513.097086.00.752.12.07.169110

YB3-160M-6

7.516.897087.20.782.12.16.773145

YB3-160L-6

1123.998088.70.792.12.16.973173

YB3-180L-6

1531.498089.70.812.12.07.273215

YB3-200L1-6

18.538.498090.40.812.12.17.276251

YB3-200L2-6

2244.898091.90.822.12.17.376281

YB3-225M-6

3061.498091.70.812.12.07.176333

YB3-250M-6

3772.699092.20.842.12.17.178469

YB3-280S-6

4585.899092.70.862.02.17.280607

YB3-280M-6

55104.498793.10.862.02.17.280666

YB3-315S-6

75143.198793.70.852.02.06.785961

YB3-315M-6

90173.298794.00.842.02.06.7851041

YB3-315L1-6

110208.598794.30.852.02.06.7851131

YB3-315L2-6

132246.598794.60.862.02.06.7851231

YB3-355S-6

160294.598594.80.872.02.06.7921861

YB3-355M-6

200367.698595.00.872.02.06.7921889

YB3-355L-6

250459.598595.00.872.02.06.7922056Dimension drawing：

Base Noflange NoPolesInstallation size and toleranceProfile sizeABCDEFGaHKbM NPcRdSbT

Flange

holesABACADHDL

General Dimension

GeneralDimensionGeneralDimensionGeneralDimensionGeneralDimension

80M

FF1652/4/6/8125100501940615.580101651302000123.5

4165165180320330

90S

14056245082090180180350360

90L

125385

100l

FF215160140632860241001221518025014.54200205400440

112M

19070112245230200420460

132S

FF2652168938801033132265230300280270450510

132M

178550

160M

FF30025421010842110123716014.530025035018.55330325220520670

160L

254710

180M

279241121481442.5180355360550730

180L

279750

200L

FF35031830513355164920018.5350300400390400250645805

225S

FF4004/8356286149601401853225400 350 4508435450690865

225M

23115511016498604/6/8601401853890

250M

FF5002406349168250245004505504905003007309454/6/86558

280S

245736819028054556581010104/6/8752067.5

280M

241965185810604/6/8752067.5

315S

FF600250840621665185831528600550660246640630400102013204/6/8/108017022711350

315M

24576514018584/6/8/108017022711380

315L

250865140185814904/6/8/108017022711520

355S

FF7402610500254751402067.5355740680800740750500108015704/6/8/10951702586

355M

2560751402067.516504/6/8/10951702586

355L

2 751402067.517504/6/8/10 951702586
Base NoPolesInstallation sizeOverall dimensionsABCDEFGaHKbABACADHDLGeneraldimensionGeneraldimensionGeneraldimensionGeneraldimensionGeneraldimensionGeneraldimensionGeneraldimension80M2、4、6、8125100501940615.5801016516518032033090S1405624508209018018035036090L125385100L1601406328602410012200205400440112M19070112245230200420460132S2168938801033132280270450510132M178550160M25421010842110123716014.5330325220520670160L254710180M279241121481442.5180355360550730180L279750200L31830513355164920018.5390400250645805225S4、8356286 149601401853225435450690865225M23115511016498604、6、8601401853890250M240634916825024490500300730945 4、6、86558280S245736819028054556081010104、6、8752067.5280M241965185810604、6、8752067.5315S250840621665185831528640630400102013204、6、8、108017022711350315M24576514018584、6、8、108017022711380315L250865140185814904、6、8、108017022711520355S2610500254751402067.5355740750500108015704、6、8、10951702586355M2560751402067.516504、6、8、10951702586355L2630751402067.517504、6、8、10951702586
Base Noflange NoInstallation sizeProfile sizePolesDEFGaMNPbRcSdTFlangeholesACADLGeneraldimensionGeneraldimensionGeneraldimensionGeneraldimensionGeneraldimensionGeneraldimensionGeneraldimensionGeneraldimensionhorizontal typevertical type

80M

FF1652/4/6/81940615.51651302000123.54165240330375

90S

2450820180260360405

90L

385430

100L

FF21528602421518025014.54205300440485

112M

230310460520

132S

FF26538801033265230300270320510590

132M

550630

160M

FF30042110123730025035018.55325360670730

160L

710770

180M

481442.5360370730800

180L

750820

200L

FF350551649350300400400445805875

225S

FF4004/86014018534003504508450465865935

225M

25511016498609304/6/8601401853890960

250M

FF500250045055050050094510354/6/86558

280S

2560550101011004/6/8752067.5

280M

2651858106011504/6/8752067.5

315S

FF6002651858600550660246630705-13404/6/8/108017022711370

315M

265140185814204/6/8/108017022711450

315L

265140185815104/6/8/108017022711540

355S

FF7402751402067.574068080075072516004/6/8/10951702586

355M

2751402067.54/6/8/10951702586

355L

2751402067.517804/6/8/10951402586