Midimaster vector mdv1850/3 with integral class a filter 3ac 380-480v+/-10% 50/60hz constant torque: 18. 5 kw overload 150% 60sec, 200% 3sec variable torque: 22 kw 800 x 275 x 210 mm (h x w x d) protection ip20 nema 1 ambient temperature 0-40 deg c