1 Channel 12V Relay Module Relay Expansion Board High/Low Level Trigger with Optocoupler
Module uses genuine high quality relay, normally open interface maximum load: AC 250V / 10A, DC 30V / 10A
Using optocoupler chip isolation, strong drive capability, stable performance; trigger current 5mA
Module can be set by jumper high or low trigger
Fault-tolerant design, even if the control line is broken, the relay will not move
The interface design of human nature, all interfaces are available through a direct connection terminal leads, very convenient
- Module Size: 50mm * 26mm * 18.5mm (L * W * H)
- With four fixed bolt holes, holes 3.1mm, spacing 44.5mm * 20.5mm
- Power Indicator (green), Relay Status Indicator (red)
VCC: Relay power supply +
GND: Relay power supply -
IN: Signal trigger input (High or Low Level Signal, select via jumper)
NO: Relay normally open.
COM: Relay Common Pin
NC: Relay normally closed.
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