Four Way Relay Module High Power Control Panel Optocoupler Isolation 30A YYG-4
- Available in three style for you.
- 100% brand new and high quality.
- Adopt 9.5mm black barrier terminal and standard 30A terminal which is stable and reliable.
- Four ways can select high/low level trigger.
- Made of the high quality miniature optocoupler, anti-interference ability, stable performance
