The 1010B is a 10A 120V single-phase Variable Transformer with clockwise shaft rotation for voltage increase, it features coil tapping arrangements allow for 0 to input line voltage or 17% above line voltage. These variable transformers may be operated from 50 to 1500Hz with no reduction in output current. Suitable for automation equipment - Vibrating parts feeders and finishing controls, test equipment and industrial equipment - Motor speed controls and voltage regulator applications.