SFB 400/440

General Data Rated voltage3 x 400 Vac Rated current 4 ‑ 480 A For motor rated output 1.5 ‑ 260 kW For switching frequencies of 4 to 8 kHz Rated frequency from 0 to 150 Hz Insulation class H Maximum ambient temperature 40 °C Degree of protection IP 00 Advantages Prevention of overvoltages on the motor Long cable lengths possible Reduction in motor noise Reduction in line‑borne and field‑borne emitted interference Reduction in motor losses Very good corrosion protection and low noise thanks to BLOCKIMPEX vacuum impregnation Standards Output filter with capacitor for frequency inverters complying with DIN EN 61558‑2‑20, IEC 61558‑2‑20, UL 508, CSA 22.2 No. 14‑9195 Approvals UL 508, CSA 22.2 No 14‑9195 Sine filter for the suppression of differential mode interference.