Marelli - High Efficiency 250 Frame 37kW 6 Pole Flange Mount Cast Iron AC Motor for 400V x 50Hz 3 phase supply. Use with 400V Variable Frequency Drives or a fixed frequency mains supply at 50Hz.
Fixed main supply output: 37kW (50HP) x 980RPM at 400V x 50Hz 3ph.
Inverter Supply Output: 15:1 Speed Control range from 98RPM to 1470RPM for 5Hz to 75Hz, with suitable de-rating at the lower speeds.
Full Load Current: 68A at 400V.
Power Factor is 0.85 when mains connected at 50Hz.
Efficiency at full load is 92.4%, at 3/4 load is 92.7% and at 1/2 load is 91.7%
510mm Wide x 920mm Long x 622mm high overall in its IP55 enclosure.
Flange mount on 4 x 18mm holes at 500mm pcd with 450 register in the 550mm diameter flange.
Shaft is 65mm diameter x 140mm long with 18mm wide key.
Weight is 420kg.
Rated at 40C Ambient.
Ventilation space required at rear cooling air intake.
Full part number is - BAQ250M6 B5 (BAQ 250 M6 B5)
For Variable Speed use…
Part Time Output when Inverter powered is...
240Nm - 37kW (50HP) x 1470RPM at 75Hz
360Nm - 37kW (50HP) x 980RPM at 50Hz
360Nm - 18.5kW (25HP) x 490RPM at 25Hz
360Nm - 3.7kW (5HP) x 98RPM at 5Hz
Continuous Output when Inverter powered is...
240Nm - 37kW (50HP) x 1470RPM at 75Hz
360Nm - 37kW (50HP) x 980RPM at 50Hz
274Nm - 14kW (18.8HP) x 490RPM at 25Hz
119Nm - 1.2kW (1.6HP) x 98RPM at 5Hz
Download the BAQ technical brochure and dimension drawings 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.