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ICT met directly with ABB Motor management team to re-introduce the RPMAC Extruder Duty Motor! Like the RPMAC motor, this design is a laminated frame motor but has added features to make it even more perfect for extrusion. There is an insulated bearing on one side and shaft grounding ring on the other to reduce bearing currents that are induced by AC VFD's. This extends the life of the bearings making motor maintenance even less frequent. In addition, there is an added RTD for each winding that allows actual temperature monitoring of the motor so you know what is really going on well before problems occur. Ask for the upgrade!
The Extruder Duty Motor has the capability of adding a higher insulation class, even above the already high temperature levels found in the RPMAC motors. One customer reported the motor running 40 degrees cooler than the RPMAC was experiencing because of the radiated barrel temperatures! That of course means longer life, and less times you need to try and get that motor out from underneath the barrel! Yikes!