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 AC Opto-Isolated Input Board AC Opto-Isolated 4 Channel Input Board, ideal for checking the status of switches and the presence of mains voltage. Suitable for up to 220Vac. Input and output circuits are effectively isolated using opto-isolators. LED status is provided for each channel, together with easy to connect screw fixing terminals for input. Separate power supply not required. Features • Connects Directly to all Futurlec Training Boards • Opto-Isolated for Effective Isolation between Input and Output Circuits • LED Status Indication for each Channel • PCB Terminals with Screw Fixing for Secure Connection • Dimensions: Length - 127mm, Width - 56mm   Order Now for USD$12.90