Marelli - High Efficiency 0.75kW 3ph 6 Pole Foot Mounting 90 Frame AC Motor for 230V and 400V x 50Hz 3 phase supply. Use with any Variable Frequency Inverter Drive having 1ph or 3ph input and 3ph output, or a fixed frequency mains supply at 50Hz.
Fixed mains supply output: 0.75kW (1HP) x 956RPM at 230V or 400V x 50Hz 3ph
Inverter supply output: 15:1 Speed Control range from 96RPM to 1432RPM for 5Hz to 75Hz with suitable de-rating at the lower speeds.
Full Load Current - 3.46A at 230V, or 2A at 400V.
Power Factor is 0.71 when mains connected at 50Hz.
Efficiency is 76.2% at full load, 76.3% at 75% load and 72.9% at half load.
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 2 x M20 Gland and terminals for M4 rings.
176mm Wide x 325mm Long x 240mm high overall in its IP55 enclosure.
Foot mount on 10mm holes at 140mm wide x 100mm centres 56mm back from shaft shoulder.
Shaft is 24mm dia x 50mm with 8mm wide key.
Terminal box for 2 x M20 Glands.
Weight is 12.1kg.
Rated at 40C Ambient.
Ventilation space required at rear cooling air intake.
Part number is - MAQ90S6 B3
For Variable Speed use:-
Part Time Output when Inverter powered is...
3.75Nm - 0.75kW (1HP) x 1912RPM at 100Hz
7.49Nm - 0.75kW (1HP) x 956RPM at 50Hz
7.49Nm - 0.375kW (0.5HP) x 478RPM at 25Hz
7.49Nm - 0.075kW (0.1HP) x 96RPM at 5Hz
Continuous Output when Inverter powered is...
4.99Nm - 0.75kW (1HP) x 1434RPM at 75Hz
7.49Nm - 0.75kW (1HP) x 956RPM at 50Hz
5.69Nm - 0.29kW (0.382HP) x 478RPM at 25Hz
2.47Nm - 0.025kW (0.033HP) x 96RPM at 5Hz
Download the Dimensions and High Efficiency MAQ Motor Technical Catalogue from the link below...
From Jan 1st 2017, three phase electric induction motors with a rated output of 0.75kW to 375kW and efficiency less than IE3 must be equipped with a variable speed drive (Inverter Drive). For exceptions, see EC Commission Regulation 640/2009.