Mophorn Variable Transformer 2000VA 110V 60Hz Varic 0-230 Volt Adjustable Output Variable AC Voltage Regulator with Universal Plug Hole: Amazon.com: Industrial & Scientific
Amazon.com: ROCKSTONE POWER 3000 Watt Voltage Converter Transformer - Heavy Duty Step Up/Down AC 110V/120V/220V/240V Power Converter - Circuit Breaker Protection – DC 5V USB Port - CE Certified [3-Year Warranty] :
Amazon.com: Krieger 450 Watt Voltage Transformer, 110/120V to 220/240V Step Up Step Down Voltage Converter with AC Outlets, MET Approved Under UL, CSA : Electronics
Isolation Transformer, Low Voltage, 12 VA, 1 x 115V, 1 x 230V, 2 x 6.3V, 2 A: Amazon.com: Industrial & Scientific
Amazon.com: Victron Energy Isolation Trans. 3600W 115/230V : Automotive
Amazon.com: Yinleader 500W Voltage Transformer Power Converter(220V to 110V, 110V to 220V) Step Up/Down Converter 110/120 Volt - 220/240 Volt : Electronics
Amazon.com: Power Transformers 16VCT@3.5A DUAL PRI 115/230V : Electronics
Amazon.com: Yinleader Step Up & Step Down Voltage Transformer Power Converter,Convert 220V to 110V OR 110V to 220V in Your Countries (800W) : Electronics
Amazon.com: LVYUAN Voltage Transformer Converter 500 Watt Step Up/Down Convert from 110-120 Volt to 220-240 Volt and from 220-240 Volt to 110-120 Volt with US Outlet, Universal Outlet, Circuit Breaker : Tools & Home Improvement
Amazon.com: SEYAS 500W Auto Step Up & Step Down Voltage Transformer Converter, 110-120 to 220-240 Volts, Soft Start & Full Load, 7x24hrs Continous Run, Circuit Breaker Protection, U.S. Patent No. US9225259 B2 :