400 HPS E-ballasts for greenhouse,hydroponic light

Dear Sirs, Welcome to our site! In our site,you canfind what you want,andeven though we haven'trelated products,wecan offer free servicewhen you buy productsfrom us. Inthis page,youwill see 400W HPS ballast,that is what you want in street lighting andmany other applications. The following is thespecifications of the products. 1.Voltage Input Range:180ac-260ac 2.Power Factor:>0.99 3.Output Frequency: 32khz 4.Input Frequency:50HZ-60HZ 5.Efficiency:>94% 6.Input Power:400W 7.Ignition Voltage:>3.5KV 8.Dimension:220mm*110mm*65mm 9.Weight: 1.5KG 10.Max. Lamp distance from ballast: 15m 11.THD: <5% 12.Environment temperature:-10°c +45°c 13.Environment IP require: IP21 14.Lamp CCF:<1.7 15.No audible noise, no flicker Thanks for your time. If you have some questions,please do not hesitate to contact me. Best Regards, David Song