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YB2 HV Explosion-proof motor

Descrizione del motoreA série YB2 de Motor Assíncrono Trifásico de Alta Tensão à Prova de Chamas (Tamanho do Quadro. H355~560) está de acordo com o padrão chinês à prova de chamas GB/T 3836.1 e GB/T 3836.2. O modo de resfriamento é IC411, e a marcação à prova de chamas é Ex db ⅡB T4 G


  • Number of Poles: 2P, 4P, 6P, 8P
  • Potencia nominal: 250KW~710KW
  • Color: Customizable
  • Rated Voltage: 6KV
  • Cooling Method: IC411

Product Details

Motor Description



  • YB2 series High Voltage Flame-proof Three-phase Asynchronous Motor (Frame Size. H355~560) is accord with Chinese Flame-proof standard GB/T 3836.1 and GB/T 3836.2. The coolant mode is IC411, and the Flame-proof mark is Ex db ⅡB T4 Gb, which can replace Ex db ⅡA T1 Gb 、Ex db ⅡA T2 Gb、Ex db ⅡA T3 Gb、Ex db ⅡA T4 Gb、Ex db ⅡB T1 Gb、Ex db ⅡB T2 Gb、Ex db ⅡB T3 Gb.

    This series of motor has advantages, such as excellent Flame-proof property, high reliability, compact structure, safe, environment protection, low vibration, low noise, easy to install and maintain. And it can replace YB560~710 series (IC511 tube cooling structure) high voltage Flame-proof three phase asynchronous motor.

    This series of motor can be widely applied to drive different kinds of general machines, such as compressor, water pump, crusher, windlass, centrifuge, cutting machine, conveyors and so on. YB2 series high voltage Flame-proof three-phase asynchronous motor can always provide excellent driving power and meet well the customer’s need no matter in indoor, outdoor, plateau, damp-heat type or other working conditions.



Outline Dimensions

YB2-450-4pua

Motor Parameters

TypeRated PowerRated CurrentSpeedSync. SpeedEff.Power FactorLocked Torque  Locked Current  Max TorqueMoment of InertiaLoad Moment of InertiaWeight

kWAr/minr/min%CosφRated TorqueRated CurrentRated Torquekg•m2kg•m2kg
YB2-4501-250058.62985300094.40.870.7728283520
YB2-4502-256065.52985300094.50.870.7729313590
YB2-4503-263073.72985300094.60.870.77210343755
YB2-4504-271082.92985300094.70.870.77211373830
YB2-4501-450059.41485150094.20.860.86.52151613935
YB2-4502-456066.41485150094.40.860.86.52161783980
YB2-4503-463074.51485150094.60.860.86.52181974145
YB2-4504-471083.81485150094.80.860.86.52192184310
YB2-4501-635543.9988100093.70.830.862293253940
YB2-4502-640049.5988100093.70.830.862313614075
YB2-4503-645055.59881000940.830.862334014215
YB2-4504-650061.5988100094.30.830.862364414370
YB2-4501-825033.274375092.80.780.85.52264773745
YB2-4502-828037.1743750930.780.85.52295293905
YB2-4503-831541.774375093.20.780.85.52325894060
YB2-4504-835546.974375093.30.780.85.52366574270


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