Step-up/Step-Down Transformers convert electrical voltages up from 110-120 volt to 220-240 volt, or down from 220-240 volt to 110-120 volt.
Rockstone Power 5000 Watt Heavy Duty Step Up/Down Voltage Transformer Converter
OTOMON Laboratory (音門ラボ) / Early Jorgen Schou JS No 6101 step up transformer 1:10 for EMT, DL-103 v..v.. cartridges
Step-up/Step-Down Transformers - Gilson Co.
Step-Up and Step-Down Transformers
Manual Gilson, PDF, Calibration
Biomedicines, Free Full-Text
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Step-up/Step-Down Transformers - Gilson Co.
Transformer Design Using Advanced Methods
Power Bright VC1500W Step-Up/Step-Down Transformer, 1500W Step-up/Step-Down Transformers convert electrical voltages up from 110-120 volt to 220-240 volt, or down from 220-240 volt to 110-120 volt. Included adaptor allows input connection to common grounded power supplies in North America, Europe, and many other parts of the world. Universal output accepts North American, UK, European, and other plugs. Transformers have an on/off switch, two spare fuses, and are CE marked.
Powerbright 1500 Watts Voltage Transformer, Step Up Step Down Power Converter, used in 110 Volts and 220V Countries, Converts 220V to 110V and 110V