5-stage transformer for speed adjustment. For controlling three-phase fans. With base bracket and connection terminals. With top hat rail mounting for built-in transformers < 3 kg. Accessories: 5-stage switch DSS 20.Article: TR 6.6 S-2, Voltage type: three-phase current, Rated voltage: 400 V, Mains frequency: 50 Hz / 60 Hz, Rated power: 1188 W, Maximum load: 6.6 A, Protection class: IP 00, Secondary voltage: 105 V / 150 V / 190 V / 250 V / 400 V, Installation type: Control cabinet, Weight: 20.02 kg, Weight with packaging: 23.35 kg, Width: 150 mm, Height: 115 mm, Depth: 155 mm, Width with packaging: 310 mm, Height with packaging: 420 mm, Depth with packaging: 340 mm, Ambient temperature: 0 °C to 40 °C