HPS 400W Sodium Ballast (Choke) Brand : Liko Full Range Accessories For Electrical Wiring Work & Component Protection For Electrical Wiring Easy to Install Easy to Match to Any Interior Easy for Replacement Easy To Equip, Long Life & For Use Protection Against Impact At All Temperature Rated Supply Voltage : 220 ~ 240V 50Hz Max. Permissible Temperature Rise (Dt) : 75°C Rated Max. Operation Temperature (tw) : 120°C Insulation Class : Class F For Construction and Electrical Use High Quality Long Service Life For Construction and Electrical Use Resistant to Hot Weather Made in Malaysia Suitable for Home, Factory, Office, Hospital etc.