Marelli 315 Frame - 75kW 3ph 8 Pole AC Motor for 400V or 660V 3 phase supply. Use with 400V Variable Frequency Drives or a fixed frequency mains supply at 50Hz.
Can be used over a 10:1 Speed Control range from 75RPM to 1500RPM, with suitable de-rating at the lower speeds.
Fixed mains supply output is 75kW (100HP) x 735RPM at 400V x 50Hz 3ph.
Full Load Current - 143A at 400V.
Overload - 150% x 60seconds.
Power Factor is 0.81 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.
Cast Iron motor is 590mm Wide x 1132mm Long x 765mm high overall in its IP55 enclosure.
Foot mount on 27mm holes at 508mm wide x 457mm centres 216mm back from shaft shoulder.
Enhanced insulation for supply via Inverter
Insulated bearing at non-drive end to eliminate high frequency current circulating through the bearings.
Shaft side load is 1325kg for 20,000hrs life (NU2219-EC-C3 bearing)
Weight is 735kg.
Rated at 40C Ambient.
Ventilation space required at rear cooling air intake.
Full part number is - B4C315MA8
For Variable Speed use…
Part Time Output when Inverter powered is...
486Nm - 75kW (100HP) x 1470RPM at 100Hz
973Nm - 75kW (100HP) x 735RPM at 50Hz
973Nm - 37.5kW (50HP) x 367RPM at 25Hz
973Nm - 7.5kW (10HP) x 74RPM at 5Hz
Continuous Output when Inverter powered is...
486Nm - 75kW (100HP) x 1470RPM at 100Hz
973Nm - 75kW (100HP) x 735RPM at 50Hz
827Nm - 32kW (42HP) x 367RPM at 25Hz
486Nm - 3.7kW (5HP) x 74RPM at 5Hz