Marelli - 0.55kW 3ph 2 Pole 71 Frame AC Motor for 230V or 400V x 50Hz 3 phase supply. Use with Variable Frequency Drives having 1ph or 3ph input and 3ph output, or a fixed frequency mains supply at 50Hz.
Fixed Main Supply output: 0.55kW (0.75HP) x 2760RPM at 230V or 400V x 50Hz 3ph.
Inverter Drive Supply Output: 12:1 Speed Control range from 276RPM to 3312RPM at 5Hz to 60Hz, with suitable de-rating at the lower speeds.
Full Load Current - 2.46A at 230V, or 1.42A at 400V.
Power Factor is 0.79 when mains connected at 50Hz.
Efficiency is 71%.
Set terminal box links 'three a-breast' for 230V 'Delta' connection.
Set terminal box links ‘two at one side’ for 400V 'Star' connection.
Terminal box for 1 x M20 Gland and terminals for M4 rings.
132mm/137mm Wide x 254mm Long x 188mm high overall in its IP55 enclosure.
Foot mount on 7mm holes at 112mm wide x 90mm centres 45mm back from shaft shoulder.
Flange mount on 4 x 9mm holes at 130mm pcd with 110mm diameter register in 160mm diameter flange.
Shaft is 14mm dia x 30mm with 5mm wide key.
Weight is 6.1kg.
Rated at 40C Ambient.
Ventilation space required at rear cooling air intake.
Part number is - MAA71MB2 B35
For Variable Speed use...
Part Time Output when Inverter powered is...
1.59Nm - 0.55kW (0.75HP) x 3312RPM at 60Hz
1.9Nm - 0.55kW (0.75HP) x 2760RPM at 50Hz
1.9Nm - 0.275kW (0.375HP) x 1380RPM at 25Hz
1.9Nm - 0.055kW (0.075HP) x 276RPM at 5Hz
Continuous Output when Inverter powered is...
1.59Nm - 0.55kW (0.75HP) x 3312RPM at 60Hz
1.9Nm - 0.55kW (0.75HP) x 2760RPM at 50Hz
1.62Nm - 0.23kW (0.313HP) x 1380RPM at 25Hz
0.95Nm - 0.028kW (0.037HP) x 276RPM at 5Hz
Download the Dimensions and Technical Catalogue from the links below...