This single phase motor is drip proof, 60 Hz and has a rigid base. Key features of this motor are PSC on high speed, e-plus new centurion design, cap start/cap run on low speed, 50C Ambient and 4 through bolts on a 5.812 bolt circle. Technical Specs; 3450/1725 RPM and has a 6 1/2 in. Dia x 3 1/2 in. H shaft. Note This is not equipped with a safety vacuum release system. Depending on your pool configuration, this may not meet you local, state and federal requirements.