1[Optically Isolated] This solid state relay utilizes optical isolation between the input and output circuits, providing enhanced safety and preventing interference. 2[TTL Logic Interface] With control signal and TTL logic interface, this relay offers easy integration and compatibility with various control systems, allowing for seamless operation. 3[Transistor Output] Featuring transistor output, this solid state relay has minimal voltage drop and ensures quick and efficient switching, providing reliable performance. 4[LED Indicator] Equipped with an LED indicator, this DC to AC solid state relay clearly displays the working status, allowing for easy monitoring. 5[Wide Range of Uses] This solid state relay finds primary application in industrial automation, low voltage isolation control, high voltage isolation control, and various high power DC electrical equipment, including DC motors, solenoid valves, battery charging discharging switches. 1 x Solid State Relay