self-priming pump for swimming pools and spas . Suction and discharge with diameter 2". Single speed motor with thermal protection. - 0.75 kw ( 1 HP ) 220 V – single phase 50HZ - 1.1 kw ( 1.5 HP ) 220 V – single phase 50HZ - 1.5 kw ( 2 HP ) 220 V – single phase 50HZ - 2.2 kw ( 3 HP ) 380 V – three phase 50HZ