5V 4 Channel Relay Module with Optocoupler Isolation Supports High and Low Trigger voltage 5V, 9, 12V, 24V
Fr10,000 Fr8,500
- SMD optocoupler isolation, strong driving ability, stable performance; trigger current 5mA
- the module voltage 5V
- each channel module can be set high or low triggered by jumper
- fault-tolerant design, even if the control line is broken, the relay will not operate