Proper motor grounding is very important to prevent premature bearing failure, which can lead to high maintenance costs or worse - facility downtime. While there are various techniques and practices for grounding a motor, the common and economical one is the shaft grounding device mounted on the frame of the motor.
1 -- 100 horsepower
143T -- 326T NEMA frame
Three-phase (foot mount and C-plane)
208-230/460, 230/460, and 575 volts
TEFC (IP44) or ODP (IP22) structures are provided
AEGIS® bearing protection ring is installed internally
AEGIS® SGR guarantees protection against bearing damage caused by drive induced current
The H edge enhances protection for inverter use - in accordance with part NEMA MG1 31.4.4.2
1.15 Service coefficient, temperature rise of B at rated horsepower (sine wave)
Relubricated ball bearings using Mobil Polyrex® EM grease
Meet or exceed the NEMA Premium® efficiency of LEED and FEMP buildings
Heavy duty frame with cast end plates suitable for any mounting position
Designed for longevity with a 3 year warranty
