1-Channel 30A High Current 12V Contactor Relay Switch Power Switch DC Power Switching Control Board Module Electrical Relay switches for Cooler Heater Refit Water Heater Control(DC 12V)

描述

⚡ Switch to power that means business — control your current like a pro!

This 1-channel 30A high current 12V contactor relay switch module delivers reliable DC power switching with a maximum load capacity of 250V AC or 30V DC. Featuring an ultra-small optocoupler for superior anti-interference performance and a sturdy 9.5mm black fence terminal, it’s engineered for stable, heavy-duty control of coolers, heaters, and water heaters. Compatible with 5V, 12V, and 24V DC inputs, this relay switch is the professional’s choice for seamless electrical control.