Marelli - High Efficiency 112 Frame 5.5kW 3ph 4 Pole Foot Mounting AC Motor for 400V 3 phase supply. Use with Variable Frequency Drives, or a fixed frequency mains supply at 50Hz.
Fixed mains supply output: 5.5kW (7.5HP) x 1465RPM at 400V x 50Hz 3ph.
Inverter Supply Output: 15:1 Speed Control range from 147RPM to 2198RPM for 5Hz to 75Hz, with suitable de-rating at the lower speeds.
Full Load Current - 11.1A at 400V.
Power Factor is 0.81 when mains connected at 50Hz.
Efficiency is 88.5% at full load.
Terminal Box for 2 x M25 Glands.
220mm Wide x 405mm Long x 291mm high overall in its IP55 enclosure.
Foot mount on 12mm holes at 190mm wide x 140mm centres 70mm back from shaft shoulder.
Shaft is 28mm dia x 60mm with 8mm wide key.
Shaft side load is 154kg for 20,000hrs life (6306-2Z bearing)
Weight is 35kg.
Rated at 40C Ambient.
Ventilation space required at rear cooling air intake.
Part number is MAQ112MB4 B3 (MAQ 112 MB4 B3)
For Variable Speed use:-
Part Time Output when Inverter powered is...
17.9Nm - 5.5kW ( 7.5HP) x 2930 RPM at 100 Hz
35.9Nm - 5.5kW (7.5HP) x 1465 RPM at 50 Hz
35.9Nm -2.75kW ( 3.25HP) x 733 RPM at 25 Hz
35.9Nm - 0.55kW (0.75HP) x 147 RPM at 5 Hz
Continuous Output when Inverter powered is...
23.9Nm - 5.5kW ( 7.5HP) x 2198 RPM at 75 Hz
35.9Nm - 5.5kW (7.5HP) x 1465 RPM at 50 Hz
30.5Nm - 2.34kW ( 3.1HP) x 733 RPM at 25 Hz
17.9Nm - 0.275kW (0.4HP) x 147 RPM at 5 Hz
Download the MAQ technical catalogue with 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.