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 PM866-2 3BSE050201R1 Redundant Processor Units Introduction The ABB PM866-2 3BSE050201R1 Redundant Processor Units are developed for advanced industrial control systems where continuous availability and predictable control behavior are essential. As a high-capacity processor within the *Your Name: *Your Email: *Your Name: *Vdcode: Submit