Specialty Product Technologies POWERSTAT® Variable Transformer 1156D Series

The 1156D Series are offered in single and three phase assemblies. The 1156D Series types operated from 120V lines. The rated output for constant current loads is 50A. The load rating ranges from 50A-450A depending on input voltage. Please refer to the catalog rating charts. The 1156D Series can be operated at any frequency between 50 and 500 Hz. Refer to Figure A in our catalog for the allowable output current at the higher rated frequency. 1156D Series may be bench or back-of-panel mounted. Available in open construction, screened, terminal enclosure and screens or with a NEMA 1 Enclosure. Units are can be operated manually or motor-driven. The 1156D Series assemblies are completely self-contained. They are fully assembled and include all paralleling chokes and connections, input and output terminals for copper wire, bases, shafts, lifting eyes and output fuses.