1 Scope
This EN 50347 covers general purpose standard dimensioned three-phase induction motors for 50 Hz
with rated voltages not exceeding 690 V for industrial purposes having dimensions
selected from IEC 60072‑1 in the range :
Frame numbers - shaft-heights : 56 mm to 315 mm
Flange numbers - pitch circle diameter of flange : 65 mm to 740 mm
It gives tables of fixing dimensions, shaft extension dimensions and output powers.