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. Bently Nevada 3500/32 149986-02 4-Channel Relay Control Module Introduction The Bently Nevada 3500/32 149986-02 4-Channel Relay Control Module is a backup relay control module designed to complement the Bently Nevada 3500 Series, which is widely used in machinery protection and condition monitoring app *Your Name: *Your Email: *Your Name: *Vdcode: Submit