8 Channel Relay Module Board High Low Trigger with Optocoupler 12V
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The Story
This 8-channel relay module features optocoupler isolation for reliable switching and strong driving capability. It supports high or low trigger selection via jumper, with operating voltages of 5V, 12V, or 24V. Ideal for industrial control and automation projects, it includes fault-tolerant design to prevent unintended relay activation.
add_circle The Upside
- check Versatile trigger mode selection
- check Reliable isolation for noise immunity
- check Multiple voltage options for flexibility
remove_circle The Downside
- close Requires external power supply
- close May be overkill for simple low-channel projects
- close No enclosure included
Specifications & features
Key features
- check_circle Optocoupler isolation for stable performance
- check_circle High or low trigger selectable per channel via jumper
- check_circle Operating voltage options: 5V, 12V, 24V
- check_circle Fault-tolerant design prevents relay movement on control line break
- check_circle Power and relay status indicator LEDs
Specifications
Isolation
Optocoupler
Number of Channels
8
Operating Voltage
5V / 12V / 24V
Trigger Current
5mA
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