4 pcs DC 5V 1 Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler

4 pcs DC 5V 1 Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler

• The module uses genuine quality relay, normally open interfaces
• Maximum load: AC 250V/10A, DC 30V/10A
• SMD optocoupler isolation, strong driving ability, stable performance; trigger current 5mA
• The module voltage 5V
• The module can be set high or low triggered by jumper

<p>Module Description:<br> The module uses genuine quality relay, normally open interfaces <br> Maximum load: AC 250V/10A, DC 30V/10A<br> SMD optocoupler isolation, strong driving ability, stable performance; trigger current 5mA<br> The module voltage 5V<br> The module can be set high or low triggered by jumper<br> Fault-tolerant design, even if the control line is broken, the relay will not operate<br> Power indicator (green), relay state indicator (red)<br> Interface design user-friendly, all interfaces are available through the wiring terminal direct connection leads, very convenient<br> Module size: 50mm * 26mm * 18.5mm (L * W * H)<br> 4 mounting bolts holes, hole 3.1mm, 44.5mm * 20.5mm spacing<br> <p>Module interface<br> DC +: positive power supply (voltage by relay requirements, 5V.9V.12V and 24V selection)<br> DC-: negative one<br> IN: can be high or low level control relay<br> <p>Relay outputs<br> NO: normally open relay interfaces, relay before hanging, pull back and COM short-circuited<br> COM: Relay Common Interface<br> NC: normally closed relay interfaces, relay and COM short-circuited before, after the pull-vacan<br>