Breakdown torque ratio [ 3.0|2.6
Winding connection Y|YY
Starting current ratio [ 7.2|6.6
Frequency [Hz] 50|50
Rated output [HP] 31|121
Service factor [ 1.0
Efficiency at rated (full) load [ 91.1|94.2%
Duty S1|S1
Synchronous speed [rpm] 1500|3000
Power factor at rated (full) load [ 0.90|0.95
Starting torque ratio [ 2.3|1.6
Sound pressure level [dB] 69|80
Frame size 280
Sound power level [dB] 79|90
Terminal box position on right side
Starting method DOL / DOL
Possibility of terminal box rotation yes
Insulation class F
Bearing on D-side 6317P63E1
Frequency converter supply on demand
Bearing on ND-side 6317P63E1