Aegis

Aegis offers shaft grounding rings and installation accessories designed to protect inverter- and VFD-driven motors from damaging shaft voltage and bearing currents that can lead to premature motor failure.

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Aegis shaft grounding rings are available in solid and split configurations for a wide range of shaft diameters and motor frame sizes, along with EP2400 conductive epoxy and CS015 colloidal silver shaft coating to support installation and shaft conductivity. The 360° conductive microfiber design creates a reliable path to ground, helping reduce electrical bearing damage, downtime, and replacement costs in motors operated by variable frequency drives.

Why Choose Aegis?

Proven bearing protection

Shaft grounding rings divert harmful shaft voltage away from motor bearings, helping prevent fluting, frosting, pitting, and other electrical bearing damage common in VFD applications.

Broad application coverage

Solid and split ring configurations are available across multiple shaft diameters for both NEMA and IEC motor frames, making it easier to match protection to common commercial and industrial motor sizes.

Installation support accessories

CS015 colloidal silver shaft coating and EP2400 conductive epoxy help improve shaft surface conductivity and mounting flexibility, supporting better long-term grounding performance.

About Aegis

Aegis is the motor-bearing protection line from Electro Static Technology, an ITW company, and is best known for its patented AEGIS Shaft Grounding Ring technology. A focus on protecting motors from electrical discharge damage has made Aegis a widely used name in reliability-focused motor applications.