FIVE FRAME SIZESCartridge DDR direct drive rotary servo motors are available in five frame sizes ranging 4.25-13.78 in.2 with four stack lengths per frame. They feature pre-engineered components, an integrated, factory-aligned high-resolution feedback device and a bearing-less design. CE-marked and UL-listed for global application, the motors are available with 240 V, 400 V and 480 V ratings. They provide 4.57-510 Nm continuous torque, peak torque to 1,017 Nm and speeds to 2,500 rpm.