The CH091A-11-2105S is a frameless motor manufactured by Kollmorgen, belonging to the CARTRIDGE DDR MOTORS family. Specifically crafted as a direct drive, it operates to a maximum of 480 Volts, delivering a maximum torque rating of 50.2 N-m in continuous mode at a steady line current of 12.8 amperes. The motor offers a maximum rotational speed of 1500 rpm at 480 Volts and 1200 RPM at 400V. This model is compact and gearless, its rotor being the only mobile component housed in a 9.68” frame. The motor comes with a sine encoder and a short stack format suitable for limited space applications. It's standard flanged mounting face enables easy installation with 4 bolts. Provided with a solid shaft and a keyed compression coupling for interface, the coupling can be accessed and tightened using a torque wrench. The unit offers enhanced position detection, transmitting speed and position information via an exclusive encoder.