Specifications: 1) Starting current: <0.5%Ib 2) Basic revolution rpm: 14.85 3) Maximum impulse voltage: >6kV 4) Power loss of voltage coil: <1.4W <5VA 5) Rated torque: 8.9 x 10-4 N.m 6) Accuracy class: class 2 7) Outside dimensions: 273 x 172 x 125mm (Imax <= 40A), 279 x 172 x 125mm (Imax >40A) 8) Working life: more than 20 years 9) Voltage rating (V): 3 x 220/380 10) Frequency rating (Hz): 50 Inner packing: Dimensions: 279 x 172 x 125mm Weight: 3,781g