AST18-CR ON-OFF Switching Relay is a high-reliability control solution designed for energy storage and solar power systems. Featuring a wide 12-240VAC/DC voltage range, it ensures stable operation across diverse renewable energy applications. Equipped with 1CO or 2CO outputs, it supports flexible circuit control for battery management, PV inverters, and off-grid systems. Its strong anti-interference capability and DIN-rail mounting ensure durability in demanding environments. Ideal for smart grid, solar, and industrial energy systems requiring precise, long-life switching performance.More