Breakdown torque ratio [ 2.3|2.8|2.6
Winding connection Y|∆|YY
Starting current ratio [ 5.1|6.8|7.0
Frequency [Hz] 50|50
Efficiency at 1/4 of full load [ -|-|-
Efficiency at 2/4 of full load [ 78.9|80.1|73.6
Rated output [HP] 5.5|8.4|10.3
Efficiency at 3/4 of full load [ 81.6|83.3|78.5
Service factor [ 1.0|1.0|1.0
Efficiency at rated (full) load [ 81.6|84.1|80.4
Duty S1|S1
Efficiency at 5/4 of full load [ -|-|-
Power factor at 1/4 of full load [ -|-|-
Synchronous speed [rpm] 1000|1500|3000
Power factor at 2/4 of full load [ 0.54|0.59|0.81
Power factor at 3/4 of full load [ 0.67|0.71|0.88
Power factor at rated (full) load [ 0.75|0.79|0.91
Starting torque ratio [ 1.7|1.8|1.5
Power factor at 5/4 of full load [ -|-|-