Description
Details
4 Channel Programmable Relay Module Board with STM8S103F3 Microcontroller and RS485 Communication Interface for Industrial Automation Control: 4 channel relay output (a normally open, normally closed). 4 channel optical coupling isolation.
Key features
- 4 channel relay output (a normally open, normally closed)
- 4 channel optical coupling isolation
- 4 relay closed the LED light
Product specifics
- Brand: Walfront
- Category: Components & Replacement Parts
- Part number: Walfront9gcvru4id3