The ELCO REH312Y call button connection module is a versatile accessory for intercom systems that provides an efficient and user-friendly solution for building security. With the capability to connect up to 16 call buttons and 16 button expanders, this module allows for a cascading connection that supports the integration of up to 256 call buttons. The self-adhesive mount ensures easy installation, while the connection of the call buttons is made via a single wire and a common foot contact, eliminating the need for complex matrix wiring. The module is equipped with a detachable flat ribbon cable that enables a connection to the communication module and offers user-friendly address setting. This product is ideal for applications in doorbell and intercom systems and meets the requirements according to DIN EN 50486.

• Cascadable for up to 256 call buttons
• Easy installation with self-adhesive mount
• Direct connection without matrix wiring
• Detachable flat ribbon cable for easy connection to the communication module.