Marelli 160 Frame - 18.5kW 3ph 4 Pole AC Motor for 400V or 660V 3 phase supply in B3 Foot mounting form. Use with 400V Variable Frequency Drives 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 18.5kW (25HP) x 1460RPM at 400V x 50Hz 3ph.
Full Load Current - 34.5A at 400V.
Overload - 150% x 60seconds.
Power Factor is 0.85 when mains connected at 50Hz.
Set terminal box links 'three a-breast' for 400V 'Delta' connection.
Set terminal box links ‘two at one side’ for 660V 'Star' connection.
290mm Wide x 640mm Long x 390mm high overall in its IP55 enclosure.
Foot mount on 14.5mm diamterer holes at 254mm x 254mm centres 108mm back from the shaft shoulder.
Shaft is 42mm diameter x 110mm long
Shaft side load is 338kg for 20,000hrs life
Weight is 113kg.
This is now an obsolete motor.See below for Replacement
Rated at 40C Ambient.
Ventilation space required at rear cooling air intake.
Full part number is - MAA160LB4-B3(MAA-160-LB4-B3)
For Variable Speed use…
Part Time Output when Inverter powered is...
60Nm - 18.5kW (25HP) x 2900RPM at 100Hz
120Nm - 18.5kW (25HP) x 1465RPM at 50Hz
120Nm - 9.25kW (12.5HP) x 733RPM at 25Hz
120Nm - 1.85kW (2.5HP) x 145RPM at 5Hz
Continuous Output when Inverter powered is...
60Nm - 18.5kW (25HP) x 2900RPM at 100Hz
120Nm - 18.5kW (25HP) x 1465RPM at 50Hz
102Nm - 7.9kW (10.5HP) x 733RPM at 25Hz
60Nm - 0.9kW (1.25HP) x 145RPM at 5Hz
Download the full Manual and dimensioned drawing from the link below...