Marelli - High Efficiency 90 Frame 1.1kW 3ph 4 Pole Face 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: 1.1kW (1.5HP) x 1440RPM at 230V or 400V x 50Hz 3ph.
Inverter Supply output: 15:1 Speed Control range from 144RPM to 2160RPM at 5Hz to 75Hz, with suitable de-rating at the lower speeds.
Full Load Current - 4.7A at 230V, or 2.7A at 400V.
Power Factor is 0.76 when mains connected at 50Hz.
Efficiency is 81.5% at full 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 Glands.
176mm Wide x 325mm Long x 240mm high overall in its IP55 enclosure.
Face mount on M8 tapped holes at 115mm pcd with 95mm diameter register in the 140mm diameter flange.
Shaft is 24mm dia x 50mm with 8mm wide key.
Shaft side load is 80kg for 20,000hrs life (6205-2Z bearing)
Weight is 14.5kg.
Rated at 40C Ambient.
Ventilation space required at rear cooling air intake.
Full part number is - MAQ90S4 B14 (MAQ 90 S4 B14)
For Variable Speed use...
Part Time Output when Inverter powered is...
3.65Nm - 1.1kW (1.5HP) x 2880RPM at 100Hz
7.3Nm - 1.1kW (1.5HP) x 1440RPM at 50Hz
7.3Nm - 0.55kW (0.75HP) x 720RPM at 25Hz
7.3Nm - 0.11kW (0.15HP) x 144RPM at 5Hz
Continuous Output when Inverter powered is...
4.86Nm - 1.1kW (1.5HP) x 2160RPM at 75Hz
7.3Nm - 1.1kW (1.5HP) x 1440RPM at 50Hz
6.2Nm - 0.47kW (0.627HP) x 720RPM at 25Hz
3.65Nm - 0.055kW (0.074HP) x 144RPM at 5Hz
Download the Marelli MAQ technical catalogue and dimentioned drawings 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.