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. Emerson KJ4001X1-HC1 Left Expander Introduction The Emerson KJ4001X1-HC1 Left Expander Module is a rugged expansion interface designed to extend the wiring capacity of DeltaV™ distributed control systems. Built for demanding industrial control environments, this expander s *Your Name: *Your Email: *Your Name: *Vdcode: Submit