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OHBS2RJ

The ABB OHBS2RJ is a high-voltage, medium-to-large three-phase squirrel-cage induction motor. It belongs to ABB's heavy-duty industrial motor range, engineered for demanding applications in power generation, mining, minerals processing, water/wastewater, oil & gas, and large industrial plants.

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Parameter Description / Typical Range Model Series OHB / HXR Series (High Voltage Motors) Type Three-Phase, Squirrel Cage, High Voltage Induction Motor Rated Output Power ~ 200 kW to 1000+ kW (The "S2" often indicates a specific frame size range for higher power, e.g., ~400-800 kW). Rated Voltage 3300 V, 6600 V, 11000 V (or other standard MV levels like 4160V, 13800V depending on region). Frequency 50 Hz or 60 Hz. Number of Poles 4, 6, 8, 10, or 12 poles (对应同步转速: 1500, 1000, 750, 600, 500 rpm @ 50Hz). Rated Speed Depends on poles (e.g., ~1485 rpm for 4-pole, ~990 rpm for 6-pole @ 50Hz). Insulation Class Class F (with temperature rise according to Class B for long life). Protection Class IP54 or IP55 (common for high voltage motors). Cooling Method IC 81W (Air-cooled, with integrated air-to-water heat exchanger) or IC 611 (Closed air circuit with air/air cooler) for dirty environments. Mounting IM B3 (Foot-mounted) is standard. IM B35 (Foot and flange) is also common. Service Factor / Duty Cycle S1 (Continuous duty). Starting Method Designed for direct-on-line (DOL) starting or with soft starters/VSDs. Ambient Temperature Max. 40°C (standard). Higher ambient options available. Altitude Up to 1000 m above sea level (standard). Efficiency Complies with IE3 (Premium Efficiency) or higher (IE4) per IEC 60034-30-1 for high voltage motors. Standards Designed to IEC 60034 standards. May also meet IEEE 841 (for severe duty) or API 541 (for oil & gas) upon request.