Leeson JP Pump Motors, 1-Ph, DP, Rigid BaseSingle phase motors for use with close-coupled pumps having NEMA JP mounting and shaft dimensions. In such applications, the pump impeller is mounted directly on the motor shaft. Designed for continuous duty service. Mechanical Features: Open drip-proof construction with rigid base mounting. Locked bearing on shaft end limits axial shaft movement. For use where the environment is relatively clean and dry. For outdoor use, an enclosure or drip cover may be preferred. Electrical Features: UL Recognized and CSA Certified. Single phase designs are capacitor start, induction run. All 180 and 210 frame Rolled Steel motors have Class F Insulation.