RELAY MODULE INTERFACE 4 CHANNEL 5V DC 220V 250V 10A high and low level trigger

1, the module uses genuine quality relay, normally open interfaces Maximum load: AC 250V / 10A, DC 30V / 10A;. 4, each channel module can be set high or low triggered by jumper;. 2, SMD optocoupler isolation, strong driving ability, stable performance; trigger current 5mA;.

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