Marelli - 0.55kW 3ph 4 Pole 71 Frame Foot Mounting 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 1380RPM at 230V or 400V x 50Hz 3ph.
Inverter Drive Supply Output: 15:1 Speed Control range from 138RPM to 2070RPM at 5Hz to 75Hz, with suitable de-rating at the lower speeds.
Full Load Current - 2.77A at 230V, or 1.6A at 400V.
Power Factor is 0.75 when mains connected at 50Hz.
Efficiency is 66%.
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.
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
Shaft is 14mm dia x 30mm with 5mm wide key.
Weight is 7.3kg.
Rated at 40C Ambient.
Ventilation space required at rear cooling air intake.
Part number is -MAA71MC4-B3 (MAA 71 MC4 B3)
For Variable Speed use...
Part Time Output when Inverter powered is...
1.9Nm - 0.55kW (0.75HP) x 2760RPM at 100Hz
3.81Nm - 0.55kW (0.75HP) x 1380RPM at 50Hz
3.81Nm - 0.275kW (0.375HP) x 690RPM at 25Hz
3.81Nm - 0.055kW (0.075HP) x 138RPM at 5Hz
Continuous Output when Inverter powered is...
2.54Nm - 0.55kW (0.75HP) x 2070RPM at 75Hz
3.81Nm - 0.55kW (0.75HP) x 1380RPM at 50Hz
3.24Nm - 0.23kW (0.313HP) x 690RPM at 25Hz
1.9Nm - 0.028kW (0.037HP) x 138RPM at 5Hz
Download the Dimensions and Technical Catalogue from the links below...