Omega EngineeringStepper Drives Power supplies for stepper drives, sensors, transducers, strain gages, and general purpose use. Linear regulated and switching supplies, adjustable voltages and fixed voltages.Programmable Step Motor Indexer/Drive, Microstepping ,12/42 VdcHigh Performance Stepper Drives with Integrated Power SupplyHigh Performance Stepper Drives with Advanced FeaturesStep and Direction Stepper Drives with 3 input/1 output