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. Woodward 5441-661 Relay Interface Module Introduction The Woodward 5441‑661 Relay Interface Module is a rugged industrial‑grade relay interface engineered for dependable switching between automation logic outputs and field‑level devices. With robust mechanical relay contacts *Your Name: *Your Email: *Your Name: *Vdcode: Submit