This is a 12-0-12 Transformer with center tap connection.
It has a maximum current output of 1 A.Perfect for making power supplies. Use it to step down 240 V AC to 12V or 24V AC. The Output consists 3 wires comming out of the solenoid used to determine the Output voltage from the transformer.
USB DC-DC Converter Step Up Module 0.9-5V to 5V
Male Dc Plug to 9V Battery Cap 



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