Tyco Electronics offers permanent magnet dc motors in C70 and C90 frame sizes and in a range of different speed grades up to 10,000rpm. Operating from either a 12V or 24V supply, the C70 frame size motor has a peak output power of 700W and a continuous output of 200W, while the C90 frame size motor offers 1,200W and 300W respectively. The efficiency of these units peaks at 80%.