1.The module uses high-quality 30A relay, the maximum load of the normally open interface: AC 250V 30A, DC 30V 30A 2.Adopt SMD optocoupler isolation, strong driving ability, stable performance, the trigger current is 5mA 3.The module working voltage is 5V, 12V, available for choice 4.The module can be set to high or low level trigger by jumper 5.User-friendly interface design, all interfaces can be directly led out through terminal blocks, which is very convenient Item Type: Relay Module_x000D_ Optional Style: 5V, 12V_x000D_ Relay versionQuiescent CurrentMaximum currentTrigger current_x000D_ 5V5mA190mA 2-4mA_x000D_ 12V5mA80mA 2-4mA_x000D_ _x000D_ Module Interface Description:_x000D_ 1.DC +: Module DC power supply positive (positive voltage of trigger terminal)_x000D_ 2.DC-: Module DC power supply negative (trigger terminal voltage negative pole)_x000D_ 3.IN: signal trigger terminal (default trigger voltage is the same as power supply)_x000D_ 4. High / low level trigger mode selection, as shown in the figure, when the jumper is connected to the L terminal, the IN terminal is a low level trigger, and when it is connected to the H terminal, the high level trigger_x000D_ 5. Normally closed end (NC): normally closed end of relay_x000D_ 6. Common terminal (COM): relay common terminal_x000D_ 7. Normally open (NO): relay normally open 1 xRelay Module