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SMAKN Wide Voltage 5V-30V Power Supply Adjustable Trigger Delay Time Relay Module
*Operating voltage 5V-30V (wide voltage) *Both MicroUSB and welding power supply interface terminals *Operating modes power to the module, the module status of the output normally open (NO) and the common terminal (COM) is disconnected, normally closed (NC) and the common terminal (COM) is turned on. *With a relay indicator. *Has continued flow protection relay. *Module is designed with a pull signal terminal and filter circuit, anti-jamming capability, suitable for industrial control. Many manufacturers have added optocoupler isolation, but with the trigger signal to the module is not isolated, would not achieve the interference effect. After the test was found to

Price is $7.00
Price: $7.22