Marelli 71 Frame - 0.75kW 3ph 2 Pole Flange Mounting (B5) AC Motor for 230V and 400V 3 phase supply. Use with Variable Frequency Drives having 1ph or 3ph input and 3ph output or a fixed frequency mains supply at 50Hz.
Can be used over a 10:1 Speed Control range from 280RPM to 2800RPM, with suitable de-rating at the lower speeds (or higher speed if balanced).
Fixed mains supply output is 0.75kW (1.0HP) x 2730RPM at 230V or 400V x 50Hz 3ph.
Full Load Current - 3.17A at 230V, or 1.83A at 400V.
Overload - 150% x 60seconds.
Power Factor is 0.82 when mains connected at 50Hz.
Set terminal box links 'three a-breast' for 230V 'Delta' connection.
Set terminal box links ‘two at one side’ for 400V 'Star' connection.
136mm Wide x 240mm Long x 178mm high overall in its IP55 enclosure.
Flange mount on 4 x 9mm holes at 130mm pcd in 160mm diameter flange.
Shaft is 14mm dia x 30mm with 5mm wide key.
Shaft side load is 37kg for 20,000hrs life (6202-2Z bearing)
Weight is 7kg.
Rated at 40C Ambient.
Ventilation space required at rear cooling air intake.
Full part number is - MAA71MC2 B5 (MAA 71 MC2 B5)
For Variable Speed use:-
Part Time Output when Inverter powered is...
1.7Nm - 0.75kW (1.0HP) x 5460RPM at 100Hz (when balanced)
3.4Nm - 0.97kW (1.3HP) x 2730RPM at 50Hz
3.4Nm - 0.48kW (0.65HP) x 1365RPM at 25Hz
3.4Nm - 0.1kW (0.13HP) x 273RPM at 5Hz
Continuous Output when Inverter powered is...
1.3Nm - 0.75kW (1.0HP) x 5460RPM at 100Hz (when balanced)
2.6Nm - 0.75kW (1.0HP) x 2730RPM at 50Hz
2.2Nm - 0.32kW (0.43HP) x 1365RPM at 25Hz
1.3Nm - 0.0375kW (0.05HP) x 273RPM at 5Hz
Download the Marelli Technical Catalogue from the link below:-