Welcome to Futurlec. The ELECTRONIC COMPONENTS Superstore. To find the component your looking for, either search by Part Number or visit the relative department. Need Help. INTERFACE BOARDS Opto-Isolated Relay Board Opto-Isolated Relay Board, includes 4 channels for remote control of Mains appliances and circuits. Ideal for home control and industrial applications. Each channel is controlled by a TTL input and can easily be controlled by a microcontroller or control system. Schematics and operation manual included. 12V Power supply required for the board. Features • Connects Directly to all Futurlec Training Boards • Opto-Isolated for Effective Isolation between Input and Output Circuits • LED Status Indication for each Circuit • PCB Terminals with Screw Fixing for Secure Connection • Relay Switching Output Suitable for 10A @ 250Vac • Dimensions: Length - 127mm, Width - 56mm   Order Now for USD$14.90