Marelli 112 Frame - 4kW 3ph 4 Pole foot and face mounting AC Motor for 400V 3 phase supply. Use with Variable Frequency Drives or a fixed frequency mains supply at 50Hz.
Can be used over a 20:1 Speed Control range from 140RPM to 2850RPM, with suitable de-rating at the lower speeds.
Fixed mains supply output is 4.0kW (5HP) x 1425RPM at 400V x 50Hz 3ph.
Terminal box links arranged in 'delta' for 400V ('star' = 660V).
Full Load Current - 8.6A at 400V.
Overload - 150% x 60seconds.
Power Factor is 0.8 when mains connected at 50Hz.
224mm Wide x 400mm Long x 271mm high overall in its IP55 enclosure.
Foot mount on 11mm holes at 190mm wide x 140mm centres 70mm back from shaft shoulder.
Flange (face) mount on 4 x M8 tapped holes at 130mm diameter pcd, with 110mm dia spigot in the 160mm 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 31kg.
Rated at 40C Ambient.
Ventilation space required at rear cooling air intake.
Full part number is - MAA112M4/B34 400/660V (MAA 112 M4 B34 400/660V)
For Variable Speed use…
Part Time Output when Inverter powered is...
13.4Nm - 4.0kW (5.4HP) x 2850RPM at 100Hz
34Nm - 5.0kW (6.7HP) x 1425RPM at 50Hz
34Nm - 2.5kW (3.3HP) x 712RPM at 25Hz
34Nm - 0.5kW (0.7HP) x 142RPM at 5Hz
Continuous Output when Inverter powered is...
13.4Nm - 4.0kW (5.4HP) x 2850RPM at 100Hz
27Nm - 4.0kW (6.7HP) x 1425RPM at 50Hz
23m - 1.7kW (2.2HP) x 712RPM at 25Hz
13Nm - 0.2kW (0.27HP) x 142RPM at 5Hz
Download the Marelli full Technical Catalogue from the link below...