30A LOAD: This is a relay that can withstand high power, and its maximum load control can be up to 30A, able to control various appliances and other equipments with large current
APPLICATION: 4 channel interface board is used in PLC automation equipment control, industrial control, Internet of Things control, experimental development, circuit modification, ideal choice for DIY lover
LED INDICATOR: Each channel of the circuit control module is equipped with a relay LED indicator to show the switch status of the channels, clearly display the working status of the module
GOOD WORKMANSHIP: Relay expansion board has exquisite workmanship enables this relay module to work stably and accurately, and makes it a substitute, easy to install and convenient to use
OPTOCOUPLER ISOLATION: Relay control module use of patch optocoupler isolation design, makes the 4channel relay module powerful and more stable in performance, safer to use
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