Breakdown torque ratio [ 2.0|1.7|2.2
Winding connection ∆|Y|YY
Starting current ratio [ 4.6|5.4|7.0
Frequency [Hz] 50|50|50
Efficiency at 1/4 of full load [ -|-|-
Efficiency at 2/4 of full load [ 80.5|90.1|92.0
Rated output [HP] 41|48|82
Efficiency at 3/4 of full load [ 84.8|89.9|92.8
Service factor [ 1.0|1.0|1.0
Efficiency at rated (full) load [ 86.7|88.4|92.5
Duty S1|S1|s1
Efficiency at 5/4 of full load [ -|-|-
Power factor at 1/4 of full load [ -|-|-
Synchronous speed [rpm] 500|750|1000
Power factor at 2/4 of full load [ 0.31|0.74|0.74
Power factor at 3/4 of full load [ 0.41|0.82|0.83
Power factor at rated (full) load [ 0.50|0.85|0.86
Starting torque ratio [ 2.6|2.2|2.1
Power factor at 5/4 of full load [ -|-|-