Huayao 2pcs 4 Channel DC 5V Relay Module with Optocoupler ?Switching capacity available by 10A in spite of small size design for highdensity P.C. board mounting technique. ?UL,CUL,TUV recognized. ?Selection of plastic material for high temperature and better chemical solution performance. ? Sealed types available. ? Simple relay magnetic circuit to meet low cost of mass production. Widely used for Domestic appliance, office machine, audio, equipment, automobile, etc. ( Remote control TV receiver, monitor display, audio equipment high rushing current use application.) ? 4-channel relay output modules, relay output contacts 250V 10A. ? Input IN1, IN2, IN3, IN4, the signal line LOW effective. ? VCC, GND power input, can relay a separate power supply relay power input of JD-VCC. ? UL /CUL FILE NUMBER: E167996 10A/125VAC 28VDC ? TUV FILE NUMBER: R9933789 10A/240VAC 28VDC

Widely used for all MCU control, industrial sector, PLC control, smart home control. 4-channel relay interface board, which can be controlled directly by a wide range of microcontrollers such as AVR, PIC, ARM, PLC, etc. It is also able to control various appliances and other equipments with large current. Working status indicator lights are conducive to the safe use. Standard interface can be directly connected with microcontrollers. This relay module is 5V active low. Relay output maximum contact is AC250V 10A and DC30V 10A.