DescriptionHorti HDL Dim Light 250w/400w/600w/660w BoostThe Horti Dim Light HPS 600W electronic ballast offers 4 power modes for optimum flexibility in powering a range of HPS and MH 250W, 400W and 600W lamps with a single electronic ballast.Use Super Lumens mode (600w bulbs only) to give your lights up to 10% more power for more light, exactly when you need it!This electronic ballast is a device that enables efficient energy saving by combining high power factor, high luminous efficiency and versatility, supporting both high pressure sodium (HPS) and metal halide (MH).It operates at a very high frequency, which not only ensures consistency in power but also extends the life of the lamp and increases luminous efficiency.It is equipped with many kinds of protections, such as open circuit/short circuit, ignition failure, overheating and end-of-life protection technology of the lamp for smooth and error-free operation.This ballast is sold with a female plug on the socket side and a male plug to connect to the reflector.The cables to connect the ballast to the reflector are available in 2m or 4m.A full manual in English is included.Info: MH lamps can be used perfectly with an electronic ballast, but their power is not variable (not dimmable).Input:V:170Vac – 265VacTHD:=10%Voltage (V) nominal: 230/240 Vac Imax: 3.7AOutput:Output power: >580WOpen circuit voltage: >200V ignitionVoltage (V) lamp: 75Vac – 160VacCrest Factor: <1.7Voltage: <4KV Efficiency: >94% (240Vac)PF (power factor) >0.99warranty: 2 years