Isolation Transformer, Low Voltage, 100 VA, 1 x 230V, 2 x 115V, 10V, 10 A: Electronic Transformers: Amazon.com: Industrial & Scientific
Amazon.com: Patioer 1000W Voltage Converter Transformer(230V to 110V, 110V to 230V), Step Up/Down Converter 110/120 Volt - 220V/230V/240V Volt (1000W) : Electronics
Amazon.com: Micron B100MBT13XK Control Transformer, 100VA, 1Ph, 208/230/460Pri - 115Sec, Open Type : Electronics
Hammond PH50MQMJ-FK Control Transformer 240 x 480/230 x 460/220 x 440 Volt Primary 120 x 240/115 x 230/110 x 220 Volt Secondary 50 VA 1 Phase: Amazon.com: Industrial & Scientific
Transformer, 115/230 Pri 12V: Amazon.com: Industrial & Scientific