Standard ballast 230V/50Hz 25W For fluorescent lamps Design: 28x41mm Hole spacing: 140mm Vacuum impregnated in polyester resin Plug-in terminal for cables: 0.5-1qmm For automatic luminaire wiring: insulation displacement terminals for cables H05V-U 0.5 tw 130 Protection class I Type: L25.346 Weight: 550g EEI=B1 Protection class: I Version: conventional Height: 28mm Length: 150mm Suitable for lamp power (1-lamp): 25W For lamp type T38: Yes Width: 41mm Nominal voltage from/to: 230V