Marelli - 0.37kW (0.5HP) 4 Pole 230V/400V 3ph B34 Face Mount AC Motor - 71 Frame

MAA71MB4 B34

Order Code: 20940
Obsolete Product
This item is now obsolete. Alternatives may be available - see linked products below.

Brand: Marelli, Range: MAA Three Phase Aluminimum

Marelli - 0.37kW 3ph 4 Pole Foot and Face 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%.
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.

137mm Wide x 254mm Long x 188mm high overall in its IP55 enclosure.
Face mount on 4 x M6 tapped holes at 85mm pcd with 70mm diameter register in the 105mm 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 B34 

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 2055RPM 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...

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