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JOHSUN TEC Voltage Transformer User Manual

DT-1000VA, DT-2000VA, STU-3000, DT-5000VA β€’ April 1, 2026
Comprehensive instruction manual for JOHSUN TEC Step-Up & Step-Down Voltage Transformers (1000W, 2000W, 3000W, 5000W). Includes setup, operation, specifications, and safety guidelines for converting 110V to 220V and…