4 channels Relay Module Optocoupler Isolation High and Low Level

5v, 12v , 24v 4 Channel Relay Module High Low Level Trigger with Optocoupler Relay Output 4 way Relay Module.

Product Features
1. The use of genuine high-quality relay
2. Optocoupler isolation, drive ability, stable performance
3. Multi-operating voltage optional, multi-output optional
4. High and low starting mode can be set
5. Power supply, work dual indicator light
6. Input and output terminals for easy wiring
 
Product pin definition and function
1. DC +: positive power supply (according to the relay operating voltage selection)
2. DC-: power supply ground
3. IN or INX: control signal input
4. NO or NOX: load access, normally open
5. COM or COMX: load access, common
6. NC or NCX: Load access, normally closed

Detailed Images