Description

The Steinel 089238 Universal 4-Channel Input UI4 KNX-S is a versatile and compact input module designed for intelligent KNX-based building automation systems. It features four independently configurable channels, each capable of connecting to voltage-free contacts such as switches, push buttons, or window sensors. Every input can be programmed via ETS to carry out a variety of control functions, including lighting, shading, dimming, and scene activation.

In addition to digital input functionality, the UI4 KNX-S supports the integration of external NTC temperature sensors, allowing it to perform temperature monitoring and contribute to HVAC automation tasks. With built-in KNX Data Secure, the module ensures encrypted and reliable communication within the KNX network, providing enhanced data integrity and system security.

Its compact 2 TE DIN-rail housing allows for efficient use of space during installation, while front-mounted LEDs provide instant visual feedback for status and diagnostics. Combining flexibility, secure communication, and precision, the Steinel Universal 4-Channel Input UI4 KNX-S is an ideal choice for residential, commercial, and industrial automation projects requiring dependable KNX input integration.