AC 110V/220V To DC 12V 24V 36V 48V Isolated Switch Power Supply 1A 2A 4A 6A 7A 9A Step-down Transformer Bare Board Module

AC 110V/220V To DC 12V 24V 36V 48V Isolated Switch Power Supply 1A 2A 4A 6A 7A 9A Step-down Transformer Bare Board Module

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