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 Iron 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 Iron to IE2 High Efficiency.
Rated at 40C Ambient.
Ventilation space required at rear cooling air intake.
Full part number is - BAQ225S4 B3
For Variable Speed use…
Part Time Output when Inverter powered is...
160Nm - 37kW (50HP) x 2205RPM at 75Hz
240Nm - 37kW (50HP) x 1470RPM at 50Hz
240Nm - 18.5kW (25HP) x 735RPM at 25Hz
240Nm - 3.7kW (5HP) x 147RPM at 5Hz
Continuous Output when Inverter powered is...
160Nm - 37kW (50HP) x 2205RPM at 75Hz
240Nm - 37kW (50HP) x 1470RPM at 50Hz
204Nm - 15.7kW (21HP) x 735RPM at 25Hz
120Nm - 1.85kW (2.5HP) x 147RPM at 5Hz
Download the full technical catalogue, data sheets and dimensions from the link below...
From Jan 1st 2017, three phase electric induction motors with a rated output of 0.75kW to 375kW and efficiency less than IE3 must be equipped with a variable speed drive (Inverter Drive). For exceptions, see EC Commission Regulation 640/2009.