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 PM891K02 3BSE053242R1 Redundant Processor Unit Introduction The ABB PM891K02 3BSE053242R1 Redundant Processor Unit is designed for industrial automation systems that require both high-performance processing and elevated availability. As part of the AC 800M platform, this redundant proce *Your Name: *Your Email: *Your Name: *Vdcode: Submit