Feature:_x000D__x000D_The module adopts high-quality relays with normal interface and maximum load: AC 250V/10A, DC 30V/10A. _x000D_Using SMT optocoupler isolation, it has strong driving ability and stable performance; trigger current is 5mA; _x000D_Modules can be triggered by setting high or low levels through wire jumper. _x000D_Fault-tolerant design, even if the control line is broken, the relay will not move. _x000D_The interface design is humanized. All interfaces can be directly connected through the terminal, which is very convenient. _x000D_Equipped with 4 fixed screw holes, easy to install. _x000D__x000D_Specification:_x000D_Working voltage: 5V, 12V, 24V(Optional)_x000D_Max load: AC 250V/10A; DC 30V/10A_x000D_Channel: 2_x000D_Product dimension: 50*41*18.5mm / 2*1.6*0.7in_x000D_Power light: Green_x000D_Relay light: Red_x000D__x000D_Board color: Red _x000D__x000D__x000D_Package list:_x000D_1 * Relay Module_x000D__x000D_Note:_x000D_Module interface:_x000D_1. DC+: Connect the positive pole of the power supply_x000D_2. DC-: Connect power supply negative pole_x000D_3. IN1:1 signal trigger terminal, can set high or low level control relay suction_x000D_4. IN2:2 signal trigger terminal, can set high or low level control relay suction_x000D__x000D_Relay output:_x000D_1. NO1: 1 channel relay usually opens the interface. The relay is suspended before suction and short-connected with COM1 after suction._x000D_2. COM1: 1 channel relay common Interface_x000D_3. NC1: 1 channel relay normally closed interface, short connection with COM1 before relay suction, suspension after suction_x000D_4. NO2: 2 channel relay often opens interface. The relay is suspended before suction, and is short-connected with COM2 after suction._x000D_5. COM2: 2 channel relay common interface_x000D_6. NC2: 2 channel relay normally closed interface, short Connection with COM2 before relay suction, suspension after suction._x000D__x000D_High and low level trigger selector:_x000D_1. S1 is the trigger selection of high and low level 1 channel relay._x000D_2. S2 is the trigger selection of high and low level 2 channel relay._x000D_3.com and low short connection, the corresponding relay is low-level trigger, com and high short connection is high-level trigger. 1The module adopts high-quality relays with normal interface and maximum load: AC 250V/10A, DC 30V/10A. 2Using SMT optocoupler isolation, it has strong driving ability and stable performance; trigger current is 5mA. 3Modules can be triggered by setting high or low levels through wire jumper. 4Fault-tolerant design, even if the control line is broken, the relay will not move. 5The interface design is humanized. All interfaces can be directly connected through the terminal, which is very convenient.