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 5441-645 Relay Interface Module Introduction The Woodward 5441‑645 Relay Interface Module is a robust industrial interface designed to bridge automation control logic with external devices requiring mechanical switching. Engineered for heavy‑duty environments, this mo *Your Name: *Your Email: *Your Name: *Vdcode: Submit