Marelli 90 Frame - 0.55kW 3ph 8 Pole B3 Foot 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: 0.55kW (0.75HP) x 680RPM at 230V or 400V x 50Hz 3ph.
Inverter supply output: 15:1 Speed Control range from 68RPM to 1020RPM for 5Hz to 75Hz with suitable de-rating at the lower speeds.
Full Load Current - 3.2A at 230V, or 1.85A at 400V.
Power Factor is 0.65 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.
175mm/177mm Wide x 365mm Long x 235mm high overall in its IP55 enclosure.
Foot mount on 9 mm holes at 140mm wide x 125mm centres 56mm back from shaft shoulder.
Shaft is 24mm dia x 50mm with 8mm wide key.
Shaft side load is 108kg for 20,000hrs life (6205-2Z bearing)
Terminal box for 1 x M20 Gland and terminals for M4 rings.
Weight is 17.2kg.
Rated at 40C Ambient.
Ventilation space required at rear cooling air intake.
Part number is - MAA90L8 B3 (MAA 90 L8 B3)
For Variable Speed Use:-
Part Time Output when Inverter powered is...
3.86Nm - 0.55kW (0.75HP) x 1360RPM at 100Hz
7.7Nm - 0.55kW (0.75HP) x 680RPM at 50Hz
7.7Nm - 0.28kW (0.37HP) x 340RPM at 25Hz
7.7Nm - 0.055kW (0.075HP) x 68RPM at 5Hz
Continuous Output when Inverter powered is...
5.15Nm - 0.55kW (0.75HP) x 1020RPM at 75Hz
7.7Nm - 0.55kW (0.75HP) x 680RPM at 50Hz
5.87Nm - 0.21kW (0.28HP) x 340RPM at 25Hz
2.55Nm - 0.018kW (0.024HP) x 68RPM at 5Hz
Download the Dimensions and Technical Catalogue from the links below:-