The Schneider Electric Altivar machine ATV320, a variable speed drive designed for original equipment manufacturers , that meets simple and advanced application requirements for 3-phase synchronous and asynchronous motors. The IP21/65/66/UL type offers 4X the protection, embedded safety functions and Integrated PLC gives the user the best performance for the investment. These are designed to be compatible with the wide range of machines and their applications such as hoisting and cranes, pumps, fans, conveyors, textile, material handling/working, mixers, packaging and compressors.Shaft diameter 11 mmShaft length 23 mmKey width 4 mmMotor flange size 70 mmTorque constant 1.48 N.m/A at 40 °CNumber of motor poles 5