Marelli - High Efficiency 112 Frame 4kW 3ph 4 Pole Flange mounting AC Motor for 230V/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 mains supply output: 4kW (5.5HP) x 1460RPM at 230V or 400V x 50Hz 3ph.
Inverter Supply Output: 15:1 Speed Control range from 146RPM to 2190RPM for 5Hz to 75Hz, with suitable de-rating at the lower speeds.
Full Load Current - 14.02A at 230V or 8.1A at 400V.
Power Factor is 0.82 when mains connected at 50Hz.
Efficiency is 87.1% 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 M25 Glands.
220mm Wide x 405mm Long x 291mm high overall in its IP55 enclosure.
Flange mount on 15mm holes at 215mm PCD with 180mm diameter register in 250mm diameter flange.
Shaft is 28mm dia x 60mm with 8mm wide key.
Shaft side load is 154kg for 20,000hrs life (6306-2Z bearing)
Weight is 35kg.
Rated at 40C Ambient.
Ventilation space required at rear cooling air intake.
Part number is - MAQ112M4-B5 (IE2 MAQ 112 M4-B5)
For Variable Speed use:-
Part Time Output when Inverter powered is...
13.1Nm - 4kW ( 5.5HP) x 2920 RPM at 100 Hz
26.2Nm - 4kW (5.5HP) x 1460 RPM at 50 Hz
26.2Nm -2kW ( 2.75HP) x 730 RPM at 25 Hz
126.2Nm - 0.4kW (0.55HP) x 146 RPM at 5 Hz
Continuous Output when Inverter powered is...
17.4Nm - 4kW ( 5.5HP) x 2190 RPM at 75 Hz
26.2Nm - 4kW (5.5HP) x 1460 RPM at 50 Hz
22.2Nm - 1.7kW ( 2.3HP) x 730 RPM at 25 Hz
13.1Nm - 0.2kW (0.3HP) x 146 RPM at 5 Hz
Download the MAQ technical catalogue with dimensions 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.