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 1MRK002246-BC Binary Input/Output Module Introduction The ABB 1MRK002246-BC Binary Input/Output Module is a compact and high-reliability digital interface unit designed for ABB protection, control, and substation automation platforms. It is engineered to handle fast binary signal *Your Name: *Your Email: *Your Name: *Vdcode: Submit