Standard ballast 230V/50Hz 2x18/34/36/38/40W For compact 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: LN 36.570 Weight: 800g Design: conventional Protection class: I Width: 41mm MultiW design: Yes Suitable for lamp power (2 lamps): 18W For lamp type TC-L: Yes For lamp type TC-F: Yes For lamp type T38: Yes, For lamp type T26: Yes For lamp type TR: Yes Suitable for lamp power (1 lamp): 40W Suitable for lamp power (3 lamps): 36W Nominal voltage from/to: 230V Length: 155mm Height: 28mm For lamp type TC-DD: Yes