Marelli 90 Frame - 1.1kW 3ph 4 Pole AC Motor for 230V and 400V 3 phase supply. Use with Variable Frequency Drives having 1ph or 3ph input and 3ph output or a fixed frequency mains supply at 50Hz.
Can be used over a 20:1 Speed Control range from 140RPM to 2800RPM, with suitable de-rating at the lower speeds.
Fixed mains supply output is 1.1kW (1.5HP) x 1390RPM at 230V or 400V x 50Hz 3ph.
Full Load Current - 4.7A at 230V, or 2.7A at 400V.
Overload - 150% x 60seconds.
Power Factor is 0.76 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.
174mm Wide x 320mm Long x 239mm high overall in its IP55 enclosure.
Foot mount on 9mm holes at 140mm wide x 100mm centres 56mm back from shaft shoulder.
Shaft is 24mm dia x 50mm with 8mm wide key.
Shaft side load is 80kg for 20,000hrs life (6205-2Z bearing)
Weight is 12.8kg.
Rated at 40C Ambient.
Ventilation space required at rear cooling air intake.
Full part number is - MAA90S4 (MAA 90 S4)
This is around £100 lower than a single phase motor, making a big contribution to the inverter cost.
For Variable Speed use…
Part Time Output when Inverter powered is...
3.75Nm - 1.1kW (1.5HP) x 2800RPM at 100Hz
10Nm - 1.45kW (1.95HP) x 1395RPM at 50Hz
10Nm - 0.72kW (1HP) x 700RPM at 25Hz
10Nm - 0.14kW (0.2HP) x 140RPM at 5Hz
Continuous Output when Inverter powered is...
3.75Nm - 1.1kW (1.5HP) x 2800RPM at 100Hz
7.5Nm - 1.1kW (1.5HP) x 1395RPM at 50Hz
6.3Nm - 0.45kW (0.6HP) x 700RPM at 25Hz
3.75Nm - 0.055kW (0.73HP) x 140RPM at 5Hz