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. GE IS210MVRBH1A PC MRVB Module Introduction The GE IS210MVRBH1A PC MRVB Module is a vital component of General Electric's Mark VIe Control System , designed to interface with field devices and enhance the communication capabilities of the system. This MRVB (Modular Relay *Your Name: *Your Email: *Your Name: *Vdcode: Submit