WEG Motors with AEGIS® Inside and Standard Stock Catalog

Wondering which WEG motor with AEGIS inside is right for your application? Head on over to the Motors with AEGIS Inside page at to find the right one for you.

You can also search the database, which includes all WEG motors with AEGIS factory-installed.

Part numbers can also be found in the WEG standard stock catalog. You can view all general purpose and pump motors with AEGIS here. Or you can download the entire standard stock catalog here (note: this is a 28 MB download).

WEG also offers optional AEGIS rings installed inside their explosion proof and flame proof motors. For more, see AEGIS in Hazardous Locations, or the brochures for their NEMA Explosion Proof or Flameproof W22Xd lines. (Note: the W22Xd brochure is a 26 MB download.)

Two Superior Choices: WEG ODP and TEFC Motors with AEGIS Inside
(available from stock)

WEG stocks NEMA Premium-Efficiency rolled steel and cast iron motors with AEGIS inside. Available in both ODP and TEFC styles from 1 to 100 hp, these motors combine the robustness of WEG design, efficiency of NEMA premium standards, and the simplicity of AEGIS shaft grounding protection against bearing currents.

WEG W22 Cooling Tower Motors with Option for AEGIS Inside

AEGIS Shaft Grounding Rings are now available as a mod for WEG cooling tower motors with frame size 254T and up. An internal shaft grounding ring adds another layer of protection to these robust machines. Their other features include: a cast iron TEFC frame for better heat dissipation and lower energy consumption; Class H impregnation resin and magnet wire, with the rest of the insulation Class F; doubly sealed bearings; a 1.25 service factor; and multiple endbell and terminal box drainplugs to allow horizontal and vertical operation.

For more on WEG W22 Cooling Tower Motors, see this brochure.

The WEG W22 Magnet Drive System

The W22 Magnet Drive System comprises premium and ultrapremium efficiency motors with permanent magnets driven by frequency inverters. This combination is perfect for applications where speed variation, precise control at low speed, low noise level, and compact design are critical.

Among other advanced features, W22 magnet motors of frame size 364T(S) and up include an insulated NDE bearing and an AEGIS Shaft Grounding Ring at the drive end, to protect against stray currents.