[{"text_idx": "#000003", "text": "This board has no voltage regulation function"}, {"text_idx": "#000004", "text": "Output voltage: Connect the 220 to 12V+12V transformer with a center tap. The wiring method is as shown in the figure. Connect the 12V terminal to the output of the board, and the original 220V line input by the transformer will have 220V voltage."}, {"text_idx": "#000005", "text": "Due to the change of the input voltage of this board, the frequency will fluctuate (50HZ)"}, {"text_idx": "#000006", "text": "Undervoltage protection: 7V (need to choose, if undervoltage protection is required, the frequency will fluctuate with the voltage)"}, {"text_idx": "#000007", "text": "The default delivery is frequency stability, no undervoltage protection"}, {"text_idx": "#000008", "text": "Polarity protection: This board has input positive and negative polarity reverse protection function"}, {"text_idx": "#000009", "text": "Solder-free terminal: input and output are connected by solder-free terminal, no welding is required, and a screwdriver is used for wiring"}, {"text_idx": "#000010", "text": "1. The 12V terminal of the transformer must be a dual 12V structure of 12V+12V (the 12V terminal is a three-wire structure)"}, {"text_idx": "#000012", "text": "3. The wiring must be connected to all the wires of the transformer before the test machine can be energized. It is not allowed to energize while connecting."}, {"text_idx": "#000013", "text": "4. The output of this inverter board is a square wave, which is not suitable for fan motor loads, because the fan motor with a square wave will generate heat and buzz. Phenomena such as low speed. A series-wound motor such as a hand drill can be used."}, {"text_idx": "#000014", "text": "5. If you want to output enough power, you need to ensure the input power"}, {"text_idx": "#000015", "text": "There are no reviews yet."}, {"text_idx": "#000016", "text": "Only logged in customers who have purchased this product may leave a review."}, {"text_idx": "#000019", "text": "Sed scelerisque lacinia ex. Suspendisse malesuada sapien ac neque egestas, eu dictum nibh placerat. Nam pulvinar fringilla justo ut bibendum. Donec vel neque et libero gravida gravida. Vivamus fermentum, erat quis suscipit sodales, turpis enim tempus diam, id facilisis elit dui id mi eleifend leo."}, {"text_idx": "#000022", "text": "Nunc non ante eu dui fringilla accumsan eu pharetra metus. Nullam dictum ligula id tincidunt consectetur. Nunc efficitur justo lectus, id suscipit felis lacinia sed. Aliquam erat volutpat. Aliquam erat volutpat. Donec porttitor ligula scelerisque maximus placerat. Nam mollis lorem nulla quis feugiat orci dictum id."}, {"text_idx": "#000025", "text": "Mauris vestibulum justo dui, in efficitur enim scelerisque ut. Donec viverra nulla et nisi faucibus porttitor.\nInteger vitae leo non odio mattis ultricies id ut tortor. Cras ultricies faucibus lobortis. Proin in porttitor orci, non rhoncus nibh.\nIn magna felis, faucibus a varius quis, accumsan id quam eu lorem volutpat eros"}]