KNACRO 1-Channel 30A High Current 5V Contactor Relay Switch Power Switch DC Power Switching Control Board Module Electrical Relay switches for Cooler Heater Refit Water Heater Control (DC 5V)
- 30A High Current 12V Contactor relay Switch DC power Switching Control Board.
- Using high-quality ultra-small optocoupler, anti-interference ability, stable performance..
- Using 9.5mm black fence terminal, standard 30A terminal, stable and solid, reliable quality..