Nidec TEQ225 - The AQUA-SHIELD PRO® motors are premium, energy-efficient pool and spa motors. They feature a switchless design, finned aluminum frame, and a 5.5" frame diameter (Category "S" & "J"). Available in Square Flange and C-Flange options, these motors offer total horsepower ratings. With a 50°C ambient rating and a 300 series stainless steel shaft, they are designed for continuous duty in demanding conditions. The motors have a totally enclosed, fan cooled IPX5 enclosure that protects against water jets and minimizes moisture intrusion. They are thermally protected, Class B insulated, and feature triple bearing protection and a finned aluminum frame for efficient operation and heat dissipation. The AQUA-SHIELD PRO® motors are the ideal choice for reliable and efficient performance in wet and humid pool and spa environments.