Amazon.com: AC 100V~240V 50~60Hz to DC 12V 6A(6000mA) Power Adapter Supply 5.5x2.5mm (Also fit 5.5x2.1mm) Output : Electronics
AQUA AC/DC Power Adapt INPUT 100-240V 50/60Hz 0.5A Max OUTPUT 9V 1.0A | eBay
Convert 60Hz 110V (120V) to 50Hz 220V (230V, 240V)
Synchronous Motor 50KTYZ AC 220V 240V 50/60Hz 15rmp/m CW/CCW 6W Torque 4.6kgf.cm | eBay
What does it mean that an AC has 50 Hz frequency? - Quora
Amazon.com: 12V 3A Power Adapter - LeTaoXing AC 100-240V 50/60Hz to DC 12V 3A Switching Power Supply 5.5x2.5mm 12Volt Transformers 12V/3A Charger for 5050 3528 LED Strip CCTV Security System LCD Monitor :
Amazon.com: AC 100-240V 50-60Hz to DC 12V 1A 2A Power Supply Adapter Travel Wall Portable Charger (3.5mm*1.3mm, 12V 2A 24W) : Electronics