Siemens 6SE3231-4DK50 midimaster vector mdv7500/3 with integral class a filter 3ac 380-480v+/-10% 50/60hz constant torque: 75 kw overload 150% 60sec, 200% 3sec variable torque: 90 kw 1150 x 420 x 310 mm (h x w x d) protection ip20 nema 1 ambient temperature 0-40 deg c