Nidec AST275 - The AQUA-SHIELD® EZ48® C-Flange Pool and Spa Motors are compact and reliable, designed for pool and spa applications. With features like two-compartment design, triple bearing protection, thermally protected 1081 design, and Class B insulation, these motors offer durability and safety. They have a 5.5" frame diameter, threaded shaft (Category "J"), and 300 series stainless steel shaft with sealed ball bearings for reliability. The motors are open dripproof, operate continuously in a 50°C ambient environment, and include features like optimized internal airflow design and internal bearing cover for protection against heat, moisture, water, and debris. With their voltage selection device, these motors provide flexibility for installation. When it comes to pool and spa systems, The AQUA-SHIELD® EZ48® C-Flange Pool and Spa Motors deliver reliable performance and protection.