Description: The module comply with international safety standard.it designed on control and load area independently The PCB board designed with double FR4 substrate, more safe and stable. The module could directly control various devices and load. Can be full open or Fully closed. Point to point control and Cycle control. 4 relay outputs, each of 5.08-3P terminal (output is normally open and normally closed) Power supply: 5V Module size: L55*W18.5*H75 mm Net weight: 61g 4 screw fixing hole: Hole diameter: 3.1mm Spacing: 68*48mm Application: Supports all MCU control. The industrial field. PLC control. Smart home control. Two module interface: 1, VCC: then 5V power positive 2, GND: then 5V power supply negative 3, IN1-IN4: signal trigger terminal, active low Relay output: a 12-wire interface, all interfaces can be directly connected to the lead, user-friendly 1, NO1 - NO4: normally open relay interface, the relay before hanging vacant, pull and COM shorted 2, COM1 - COM4 relay common interface 3, NC1 - NC4: normally closed relay interface, the relay is shorted to COM before pull-in, floating after pull-in Package include: 1x 4 replay module See more

Application:Supports all MCU control, The industrial field, PLC control, Smart home control. 5V 4-Channel Relay interface board, and each one needs 50-60mA Driver Current. Equiped with high-current relay, AC250V 10A;DC30V 10A. Working status indicator lights are conducive to the safe use. Standard interface can be directly connected with microcontrollers.