Description
Introduction
The theben TR 648 top3 RC KNX (Item no.: 6489130) is a digital time switch designed for comprehensive scheduling in KNX building control systems. Built for standard DIN rail installation with a width of 3 modules, this unit includes an integrated LCD display to monitor device status and configure operations directly. This device is part of our KNX System Components range.

Equipped with 8 channels and 800 memory locations, the TR 648 top3 RC KNX supports both yearly and astronomical time programs. It features an integrated BLE module for direct app programming and fully supports KNX Data Secure to ensure secure commissioning and bus communication.
Key Features
- 8 control channels for versatile system integration.
- 800 total memory locations for flexible event scheduling.
- Integrated BLE module enabling app programming.
- Supports KNX Data Secure protocol.
- Shortest switching time down to 1 second.
- Clear LCD display for status monitoring.
- DIN rail mounting type with 3-module width.
- Operates on 110 V AC – 240 V AC at 50 – 60 Hz.
Benefits
- Multi-Channel Management: Provides 8 independent channels for extensive control across distinct automation zones.
- Generous Storage Capacity: Offers 800 memory locations to accommodate complex, year-round schedules.
- Wireless App Programming: Integrated BLE (Bluetooth Low Energy) module enables convenient configuration via app.
- Data Security: Supports KNX Data Secure standards for protected system commissioning and daily operation.
- Flexible Program Options: Features yearly and astronomical time programming capabilities for adaptive routines.
- Precise Timekeeping: Provides accurate time synchronization via quartz (typical ± 0.25 s/day at 25 °C) or external DCF77/GPS signals.
Technical Specifications
Applications
- Automated, time-dependent switching of building automation circuits across up to 8 channels.
- Astronomical control of lighting and HVAC systems based on local solar times.
- Complex yearly event scheduling for commercial and institutional facility management.
Installation Notes
- Mount the 3-module wide unit on a standard DIN rail within a suitable enclosure (IP 20 rated).
- Connect the main operating supply (110 V AC – 240 V AC, 50 – 60 Hz) and the KNX bus connection (bus voltage, ≤10 mA).
- Ensure environmental operating temperatures stay within the specified -5°C to 45°C range.
Developer Resources
- KNX-Database (Single Product) available in ZIP format.
- Software tools available in ZIP format.
- Downloadable PDF documentation including Data Sheet, Handbook, and Operating Instructions.
- Compliance documents including CE Declaration of Conformity and EU Data Act Information Notice.
FAQ
How many channels does the theben TR 648 top3 RC KNX feature?
The TR 648 top3 RC KNX features 8 channels and provides 800 memory locations. Explore more theben KNX products for professional building automation projects.
Can this time switch be configured using a smartphone app?
Yes, app programming is possible thanks to the integrated BLE (Bluetooth Low Energy) module. For certificates and current technical files, refer to the manufacturer technical documentation.
Does the unit support secure KNX bus communications?
Yes, it supports KNX Data Secure for secure commissioning and communication.
What is the operating voltage range for the device?
The device operates on a main voltage of 110 V AC – 240 V AC (50 – 60 Hz) and draws ≤10 mA from the KNX bus.
What is the exact product model?
The order/model code for this page is 6489130. Match it against project documents before purchase.
Who is the manufacturer?
This product is manufactured by theben.
Conclusion
The theben TR 648 top3 RC KNX (6489130) is an advanced 8-channel digital time switch tailored for demanding KNX installations. Combining yearly and astronomical programming with BLE app setup and KNX Data Secure support, it delivers high reliability and security for modern building automation. Installers and system integrators can review our become a KNX dealer options.







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