We export the high quality of PTS-M series of AC Drive. Specifications: We is same in dimension, functions and operation with delta VFD-M , you can replace delta VFD-M by our PTS-M series drives. PTS-M is compete sensorless vector control drives with high starting torque at low speed, with considerable low noise and high efficiency. Compact in size and high in perfornance. They are same in specification with Delta VFD-M