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  • YB2 Series High Voltage Explosion-Proof Electric Motor
  • YB2 Series High Voltage Explosion-Proof Electric Motor
  • YB2 Series High Voltage Explosion-Proof Electric Motor
  • YB2 Series High Voltage Explosion-Proof Electric Motor

YB2 Series High Voltage Explosion-Proof Electric Motor

  • General Brief
  • Available Option
  • Typical Feature
  • Parameters Table

Type: Three Phase High Voltage Explosion-proof Electric Motor

Ex. Mark: ATEX, CNEx, IECEx

Efficiency level: High efficiency energy-saving

Explosion-proof symbol:

Ex d I Mb, Ex d IIA T4 Gb, Ex d IIB T4 Gb, Ex d IIC T4 Gb

II G 2 Ex d IIB T4, II G 2 Ex d IIC T4  

Temperature classes:  T1, T2, T3, T4, T5, T6

Temperature classesT1T2T3T4T5T6
The ignition temperature (℃)450300≤450200≤300135≤200100≤13585≤100
The allowed Maximum equipment surface temperature (℃)45030020013510085


Frame size: 355~560 frame

Rated output: 150~1600kW

Rated voltage: 3000V, 3300V, 4160V, 6000V, 6300V, 6600V, 10000V

Rated frequency (speed):

50Hz (Synchronous speed 3000/1500/1000/750/600 r/min),

60Hz (Synchronous speed 3600/1800/1200/900/720 r/min)

No. of poles: 2, 4, 6, 8, 10 Pole

Mounting methods: B3, B35, B5, V1

Material of housing: Cast iron

Insulation class: F (155℃)

Temp. rising: ΔT=80°K (B class)

Protection class: IP44, IP54, IP55, IP56

Cooling: IC411 Totally-enclosed, fan-cooled

Bearing type: Roller/Ball bearing

Working duty: S1 (Continuous)

Service factor: 1.00

Ambient temperature: -20°C ~ 40°C

Altitude: ≦1000 m.a.s.l

Ambient humidity: ≦90%

Lubricating: Grease lubricated bearings

Grounding lug: on the frame and terminal box

Metric Threaded Cable Entries on the Terminal Box

Customized frame size/power

Materiel of frame: Fabricated in welded steel plate frame

Shaft: Special dimensions, double shaft end, tapered, hollow as per request

Inverter/converter VFD application

Service Factor: 1.15 or above

Insulation Class: H (180℃)

Ambient temperature: Above 40 °C (on request)

Altitude: >1000M (on request)

Bearing: SKF, FAG brand

Bearing type: Sleeve bearing

Bearing thermometer with gauge with/without contact

Independent hydraulic oil circulation system for sleeve bearing

NDE or both DE and NDE bearings are electrically insulated

Space heaters

Thermostats RTD

Thermal protection PTC

Temperature detector PT100

Special Winding, Voltage, Frequency 

Cooling: IC416 Forced cooling by independent axial fan

YB2 Series High Voltage Three Phase Explosion-proof Electric Motors
TypeRated Rated Rated Rated EfficiencyPowerTmax/TnTst/TnIst/InMoment of inertiaWeight

power voltagecurrent speed 
factor


Motor JmAllowed J Wt.

kWkVAr/minη%cosφtimestimestimeskgm2kgm2Kg
YB2  3551-2185620.9298594.80.920.77213.62035
YB2  3552-2200622.595.12.514.82080
YB2  3553-2220624.795.42.416.22155
YB2  3554-225062895.62.519.12195
YB2  3555-2280631.395.82.821.62240
YB2  4001-2315635.295.84.3212730
YB2  4002-2355639.695.94.5242810
YB2  4003-2400644.5964.9292925
YB2  4004-245065096.25.3323015
YB2  4501-2500654.996.30.916433475
YB2  4502-2560661.596.36.2503610
YB2  4503-2630669.296.36.8583770
YB2  4504-2710677.896.57.5643910
YB2  5001-2800687.796.515855725
YB2  5002-2900698.696.516925855
YB2  5003-210006109.596.6171035990
YB2  5004-211206122.396.8191076230
YB2  5601-212506136.496.9281197475
YB2  5602-214006151.196.90.92301357765
YB2  5603-216006172.597321658085
YB2  3551-4185622.1148894.60.850.86.54.8892175
YB2  3552-4200623.994.85.4952250
YB2  3553-4220626.2955.81052310
YB2  3554-4250629.795.26.11123345
YB2  3555-4280633.295.56.41382385
YB2  4001-4315637.395.681502935
YB2  4002-4355641.995.98.51703035
YB2  4003-4400647.196.19.32003120
YB2  4004-4450652.396.20.869.82203190
YB2  4501-4500658.196.3132403850
YB2  4502-4560665.196.3152604045
YB2  4503-4630673.196.4162904310
YB2  4504-4710681.396.60.87183204550
YB2  5001-4800691.596.7333305540
YB2  5002-49006102.996.7353805730
YB2  5003-410006114.396.8374405845
YB2  5004-411206127.996.9395105970
YB2  5601-412506142.796.9637507575
YB2  5602-414006156.11488970.8920.86.5688107885
YB2  5603-41600617897.2769108245
YB2  3553-6160620.198794.40.816.52022330
YB2  3554-6185623.294.672352395
YB2  3555-6200625.194.87.82542480
YB2  4001-6220627.294.90.8211.82702950
YB2  4002-6250630.495.40.8312.53063000
YB2  4003-628063495.513.33403110
YB2  4004-6315638.295.714.33903220
YB2  4501-635564395.76164203960
YB2  4502-6400648.595.7184904170
YB2  4503-6450654.595.8205504370
YB2  4504-6500660.496226204570
YB2  5001-6560667.696.1449105725
YB2  5002-6630675.996.24610205845
YB2  5003-6710685.496.44811506120
YB2  5004-6800696.196.55113106300
YB2  5601-69006106.796.60.849711167350
YB2  5602-610006118.596.710112657620
YB2  5603-611206132.496.910614117840
YB2  5604-612506147.69711315868095
YB2  4001-8160621.674293.90.765.512.53902930
YB2  4002-8185624.994.1134502975
YB2  4003-8200626.594.30.77144903085
YB2  4004-8220629.194.515.35403205
YB2  4501-8250632.694.70.78166003955
YB2  4502-8280636.494.8186304155
YB2  4503-8315640.995206604355
YB2  4504-8355646.195.1226904560
YB2  5001-8400650.595.30.8445905720
YB2  5002-8450656.695.6466505840
YB2  5003-8500662.895.7487106110
YB2  5004-8560670.395.8517906290
YB2  5601-863067895.90.8112013906860
YB2  5602-871068895.912815717145
YB2  5603-8800698.996.113417807370
YB2  5604-89006111.196.214020177610


TypeRated Rated Rated Rated EfficiencyPowerTmax/TnTst/TnIst/InMoment of inertiaWeight

power voltagecurrent speed 
factor


Motor JmAllowed J Wt.

kWkVAr/minη%cosφtimestimestimeskgm2kgm2Kg
YB2   4501-22201016298594.60.8420.775.6142875
YB2   4502-22501018.194.76.5153015
YB2   4503-22801019.894.90.867.4183155
YB2   4504-23151022.295.18.6213315
YB2   4505-2355102595.29.1263400
YB2   4506-24001028.195.59.7313480
YB2   4507-24501031.695.610.2363525
YB2   4508-25001034.795.70.8710.8413615
YB2   5001-25601038.895.812604970
YB2   5002-26301043.695.914705090
YB2   5003-271010499615855220
YB2   5004-28001054.696.10.8816925330
YB2   5005-29001061.496.2171035460
YB2   5601-210001068.196.319946860
YB2   5602-211201075.396.40.8928987160
YB2   5603-212501083.996.5301117495
YB2   5604-214001093.996.6321267795
YB2   4501-42201016148894.60.840.86.512.91053025
YB2   4502-42501018.194.714.81203150
YB2   4503-42801020.394.916.91353305
YB2   4504-43151022.595.10.8519.21503455
YB2   4505-43551025.395.220.31633525
YB2   4506-44001028.595.521.61753570
YB2   4507-4450103295.622.51883645
YB2   4508-45001035.195.70.8623.62003730
YB2   5001-45601039.295.8312905045
YB2   5002-46301044.195.9333305205
YB2   5003-47101049.696353805305
YB2   5004-48001055.296.10.87374405450
YB2   5005-49001062.196.2395105565
YB2   5601-410001068.996.30.7586176725
YB2   5602-411201076.296.40.88636927020
YB2   5603-41250108596.5687757315
YB2   5604-414001095.196.6768687710
YB2   4504-62201016.498794.20.820.8627.42253500
YB2   4505-62501018.794.328.82383565
YB2   4506-62801020.994.530.22523645
YB2   4507-63151023.494.7332643795
YB2   4508-63551026.394.934.92803900
YB2   5001-64001029.695435105090
YB2   5002-64501032.995.10.83445905240
YB2   5003-65001036.595.2466505350
YB2   5004-65601040.898795.50.8320.86487105495
YB2   5005-66301045.895.6517905635
YB2   5601-67101051.695.70.7939846950
YB2   5602-68001058.195.89711167220
YB2   5603-69001064.4960.8410112657495
YB2   5604-610001071.596.110614117740
YB2   5605-61120108096.211315868010
YB2   4506-82201017.574294.10.770.85.5303943635
YB2   4507-82501019.694.20.78334063770
YB2   4508-8280102294.3354193890
YB2   5002-83151024.794.4438205150
YB2   5003-83551027.894.6448705295
YB2   5004-84001030.994.70.79469505405
YB2   5005-84501034.794.84810105575
YB2   5601-85001038.5950.711312366525
YB2   5602-85601042.595.10.812013906760
YB2   5603-86301047.795.312815717005
YB2   5604-8710105395.50.8113417807230
YB2   5605-88001059.695.614020177470