Design Engineering



General DPN

The AEGIS SGR Conductive MicroFiber Shaft Grounding Ring (SGR) from Electro Static Technology is suitable for predictive and preventive maintenance programs on VFD-controlled ac motors and large dc motors. Unlike conventional shaft grounding brushes, the SGR’s conductive micro fibres are said to work with virtually no friction or wear; are unaffected by dirt, grease, or other contaminants; and last for the life of the motor, regardless of rpm.

A mounting kit allows installation of the SGR on any NEMA or IEC motor and provides clearance for motors with shaft shoulders, slingers, bearing caps, or end-bell protrusions.


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