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: weideer Input AC 110V 50/60HZ Output AC 12V 10VA Power Transformer AC/AC Single Phase Transformer for Lighting Power Supplies, Audio Equipment etc. Various Small Power Supplies K-001 : Electronics
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
Acme Electric T181054 Open Core and Coil Industrial Control Transformer, 240V x 480V, 230V x 460V, 220V x 440V Primary Volts, 120V/115V/110V Secondary Volts, 0.5 kVA: Electronic Transformers: Amazon.com: Industrial & Scientific
Amazon.com: 15 kVA Encapsulated Isolation Transformer - 120V Primary - 230V 1P Secondary - NEMA 3R : Industrial & Scientific