... -400KWYC6T660L-D20/441KWGF/GFS-500KW/625KVAYHG-500KWYC6C900L-D20/600KWFeatures: Low cost, high efficiency, compact structure, environment friendly. Heavy ... : Advertised Voltage: According to your request . Frequency: 50HZ Speed: 1500 r.p.m Power Factor: 0.8(lagging) ... function, adapt to extreme condition. *emergency,over speed,low speed,high water temp,low oil pre,over crank,pre-warning system *Run ...