Marelli 225 Frame - 37kW 3ph 4 Pole AC Motor for 400V or 660V 3 phase supply. Use with 400V Variable Frequency Drives or a fixed frequency mains supply at 50Hz.
Can be used over a 15:1 Speed Control range from 150RPM to 2250RPM, with suitable de-rating at the lower speeds.
Fixed mains supply output is 37kW (50HP) x 1470RPM at 400V x 50Hz 3ph.
Full Load Current - 68A at 400V.
Overload - 150% x 60seconds.
Power Factor is 0.85 when mains connected at 50Hz.
Set terminal box links 'three a-breast' for 400V 'Delta' connection.
Set terminal box links ‘two at one side’ for 660V 'Star' connection.
Cast Aluminium motor is 405mm Wide x 830mm Long x 523mm high overall in its IP55 enclosure.
Foot mount on 18.5mm holes at 356mm wide x 286mm centres 149mm back from shaft shoulder.
Shaft side load is 485kg for 20,000hrs life (6313-Z-C3 bearing)- high side load bearing is available, please ask.
Weight is 207kg.
Construction is in Cast Aluminium frame to Eff2.
Rated at 40C Ambient.
Ventilation space required at rear cooling air intake.
Full part number is - A4C225S4-B3
For Variable Speed use…
Part Time Output when Inverter powered is...
200Nm - 46kW (62HP) x 2200RPM at 75Hz
300Nm - 46kW (62HP) x 1470RPM at 50Hz
300Nm - 23kW (31HP) x 735RPM at 25Hz
300Nm - 4.6kW (6.2HP) x 147RPM at 5Hz
Continuous Output when Inverter powered is...
160Nm - 37kW (50HP) x 2250RPM at 75Hz
240Nm - 37kW (50HP) x 1470RPM at 50Hz
204Nm - 15.7kW (21HP) x 735RPM at 25Hz
145Nm - 1.85kW (2.5HP) x 147RPM at 5Hz
Download the full technical catalogue, data sheets and dimensions from the link below...