2 Way 5V High/Low Level Trigger Relay Control Module With optocoupler 5pcs Blue
- 1.The module meets the international security standards, and there are isolation grooves between the control area and the load area.
- 2.Adopt double-sided FR-4PCB circuit board design and high-end patch technology.
- 3.Every way has optocoupler isolation,strong anti-interference ability.
- 4.Each way has a relay switch LED indication, clear and visible on and off.
- 5.With high quality relays, the maximum current can reach 10A.
- 6.Blue KF301 terminal connection control line is more convenient.