Marelli - 0.37kW 3ph 4 Pole Foot and Flange Mounting 71 Frame AC Motor for 230V or 400V x 50Hz 3 phase supply. Use with Variable Frequency Inverter Drives having 1ph or 3ph input and 3ph output or a fixed frequency mains supply at 50Hz.
Fixed Main Supply Output: 0.37kW (0.5HP) x 1370RPM at 230V or 400V x 50Hz 3ph.
Inverter Drive Supply Output: 15:1 Speed Control range from 137RPM to 2055RPM, with suitable de-rating at the lower speeds.
Full Load Current - 1.93A at 230V, or 1.11A at 400V.
Efficiency is 65% at full load.
Power Factor is 0.74 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.
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 6.2kg.
Rated at 40C Ambient.
Ventilation space required at rear cooling air intake.
Part number is - MAA71MB4 B35 (MAA71-MB4 B35)
For Variable Speed Use…
Part Time Output when Inverter powered is...
1.29Nm - 0.37kW (0.5HP) x 2740RPM at 100Hz
2.58Nm - 0.37kW (0.5HP) x 1370RPM at 50Hz
2.58Nm - 0.18kW (0.25HP) x 685RPM at 25Hz
2.58Nm - 0.037kW (0.05HP) x 137RPM at 5Hz
Continuous Output when Inverter powered is...
1.72Nm - 0.37kW (0.5HP) x 2740RPM at 75Hz
2.58Nm - 0.37kW (0.5HP) x 1370RPM at 50Hz
2.19Nm - 0.157kW (0.211HP) x 685RPM at 25Hz
1.29Nm - 0.019kW (0.025HP) x 137RPM at 5Hz
Download the Dimensions and Technical Catalogue from the links below...