DC 5V 3 Channel Relay Module Relay Expansion Board with Optocoupler Insulation Compatible 3.3V 5V Signal for Arduino
Special Features
- DC 5V 3 Channel Relay Module Relay Expansion Board with Optocoupler Insulation for Arduino
- 3-Channel Relay Module With Optocoupler Isolation Compatible 3.3V 5V Signal
- Size:63*42*20mm
- Trigger Level:3V-7V trigger,Trigger Current:5mA
- Control Voltage:AC 0-250V or DC 0-30V,Control Current:0-7A
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