12v 1 Channel Relay Module with Optocoupler Relay Output

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1 channel relay module Maximum load: AC 250V/10A, DC 30V/10A Trigger current: 5mA Working voltage: 12V Module size: 50 x 26 x 18.5mm (L x W x H) Four mounting bolts holes, diameter 3.1mm DC+: positive power supply (VCC) DC-: negative power supply (GND) IN: can be high or low level control relay NO: normally …
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