Subject to changes in line with technical progress!
77
3468161
Assembly
Circuits for two speeds in the ratio 1 : 2 (winding in the Dahlander pole changing)
Version e.g. for 1500/3000 rpm or 4-/2-pole or 750/1500 rpm or 8-/4-pole
In motors with Dahlander pole changing, the six winding ends 1U, 1V, 1W and 2U, 2V, 2W are connected to the six ter-
minals of the clamping board of a normal motor terminal box.
niedrige Drehzahl
hohe Drehzahl
Schützsteuerung
Polumschalter
Wicklungsausführung für eine Leistungsstufe entsprechend einem Momentenverlauf für Lüfterantriebe.
.
Winding design for power level according to a torque progression for ventilator drive units.
low speed
high speed
Protection control
Pole switch
Fig. 56
Circuit of three-phase motors for two speeds in the ratio 1 : 2
Circuit for two speeds (two separate windings)
Version e.g. for 1000/1500 rpm or 6-/4-pole or 750/1000 rpm or 8-/6-pole
niedrige Drehzahl
hohe Drehzahl
Schützsteuerung
Polumschalter
Wicklungsausführung
low speed
high speed
Winding design
Protection control
Pole switch
Fig. 57 Circuit of three-phase motors for two speeds
Summary of Contents for AT4F Series
Page 138: ...Translation of original operating instructions 138 AL KO AT4F ATEX Notes...
Page 139: ......
