EST Aegis www.est-aegis.com +1 207 998 5140 31 Winterbrook Road, Mechanic Falls, ME, 04256, USA EST Aegis www.est-aegis.com +1 207 998 5140 31 Winterbrook Road, Mechanic Falls, ME, 04256, USA EST Aegis's Shaft Grounding Rings protect VFD-fed motors from bearing fluting damage by discharging shaft voltage and diverting harmful currents away from the bearings to ground Contact Us Facebook page Twitter Linked In Contact Us Facebook page Twitter Linked In Latest News