Typical Parameters Parameter Description / Inferred Value Model Series MJS Series (Standard Cast Iron Motor) Motor Type Three-Phase, Squirrel Cage Induction Motor Rated Output Power 0.75 kW (1 HP) *[Common interpretation: "60" often indicates ~0.75kW/1HP in this series.]* Number of Poles 4 *[Suffix "B" in older ABB codes typically denotes 4-pole.]* Synchronous Speed 1500 rpm (at 50Hz) Rated Speed ~1400 rpm (at 50Hz, 4-pole) Supply Voltage & Frequency 400 V, 3-phase, 50 Hz (Most common. May also be designed for 415V, 380V, or 460V/60Hz). Rated Current ~1.8 A (approximate at 400V, 50Hz, 0.75kW) Efficiency Class IE2 (High Efficiency) – Standard for its manufacturing period. Insulation Class Class F (with temperature rise according to Class B). Protection Class (IP) IP55 (Dust protected and protected against water jets). Cooling Method (IC) IC 411 (Totally Enclosed Fan Cooled - TEFC). Mounting (IM) IM B3 (Standard foot-mounted). Duty Cycle S1 (Continuous duty). Ambient Temperature Max. 40°C (standard). Altitude Max. 1000 m above sea level (standard). Connection Star (Y) / Delta (Δ) – Terminal board usually allows connection changes for different voltages.