If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. ABB RLSC 100 / RLSC100 RK682010-AA MMC Unit Module Industrial Overview The ABB RLSC 100 RK682010-AA MMC Unit Module is a specialized Man-Machine Communication (MMC) interface module used in ABB protection and control systems. It serves as a communication hub between operator-level interface *Your Name: *Your Email: *Your Name: *Vdcode: Submit