Midimaster vector mdv3700/3 with integral class a filter 3ac 380-480v+/-10% 50/60hz constant torque 37 kw overload 150% 60sec, 200% 3sec variable torque: 45 kw 920 x 275 x 285 mm (h x w x d) protection ip20 nema 1 ambient temperature 0-40 deg c