Key Parameters Parameter Description / Typical Value Model OHB274J12 Type Three-Phase Squirrel Cage Induction Motor Output Power 15 kW (20 HP) *[Note: "274" in ABB coding often corresponds to 15kW/20HP frame]* Rated Voltage 400 V (or other standard voltages like 690V, depending on design region) Frequency 50 Hz (or 60 Hz, or dual-frequency) Rated Speed ~1470 rpm (for 4-pole design at 50Hz) Number of Poles 4 (Synchronous speed: 1500 rpm @ 50Hz) Rated Current ~28-30 A (at 400V, 50Hz) [Exact value depends on efficiency & power factor] Efficiency Class IE3 (Premium Efficiency) or IE2 (High Efficiency) per IEC 60034-30 standards. Insulation Class F (with temperature rise according to Class B, ensuring long life). Protection Class IP55 (Dust protected and protected against water jets from any direction). Cooling Method IC 411 (Totally Enclosed Fan Cooled - TEFC). Mounting IM B3 (Foot-mounted) or IM B35 (Foot-mounted with flange) - common variants. Ambient Temperature Max. 40°C (as standard). Altitude Max. 1000 m above sea level (as standard). Duty Cycle S1 (Continuous duty). Standards Designed in accordance with IEC standards (e.g., IEC 60034). Design Standard N-design (normal starting torque, normal starting current, low slip).