Description
Introduction
The Panasonic KNX IR Transmitter (SKU: WRKT26401NC) is designed to seamlessly integrate infrared-controlled devices into standard KNX building automation networks. Featuring an ultra-compact form factor suitable for standard electrical junction boxes, this sensor interface enables reliable bidirectional communication, allowing KNX systems to issue commands to IR-driven equipment or capture IR remote signals to trigger native KNX automation scenes. This device is part of our professional Accessories range.

Operating entirely on power supplied by the KNX bus line, this module removes the necessity for an auxiliary external power supply. System integrators, consultants, and electrical installers can utilize this interface to incorporate split air conditioners, televisions, media players, and IR-supported thermostats into centralized automation setups across residential, commercial, and hospitality projects.
Key Features
- • Channel Capacity: Supports 100 channels (IR to KNX and KNX to IR).
- • Port Configuration: 3 ports for transmission only, 1 port configurable for both transmission and reception.
- • Code Memory: Capacity for up to 250 IR devices and 16 sequential IR macros.
- • Power Supply: Direct supply via the KNX bus line.
- • Programming Interface: Configured via ETS DCA (Device Configuration App) for code learning and uploading.
- • Dimensions: 37 × 38 × 11.5 mm compact enclosure.
- • Auxiliary Functions: Integrated logic gates, counters, scene management, and delayed/repeated IR code sending.
Benefits
- • Bus-Powered Efficiency: Powered entirely via the KNX bus line with no external power supply required, simplifying cabling and installation.
- • Compact Form Factor: Ultra-small dimensions of 37 × 38 × 11.5 mm allow straightforward installation inside standard electrical flush-mounted junction boxes.
- • Flexible Port Layout: Equipped with 3 transmission-only ports and 1 configurable port capable of both receiving and transmitting IR signals.
- • High Capacity Code Management: Integrated memory holds parameters for up to 250 IR devices and up to 16 macros for complex sequential commands.
- • Integrated Logic Functions: Includes built-in logic gates, counters, scene recall functions, and post-reset action execution.
- • Direct HVAC Integration: Capable of direct KNX control for up to 4 split-type air conditioning units.
Applications
• Hotel Guest Room Integration: Enables single remote control over lighting, blinds, and media systems while integrating climate units into the central KNX system. Explore more Panasonic building automation products for professional building automation projects.
• Meeting & Board Rooms: Automatically triggers projector, lighting, and shading setups when a presentation scene is initiated via KNX.
• Home Cinema & Media Systems: Controls televisions, audio players, and receivers, executing sequential macro commands like ‘Night Mode’.
• HVAC Control: Provides direct KNX integration for split-type air conditioners and IR-based thermostats.
Installation Notes
- • Physical Mounting: Due to its compact 37 × 38 × 11.5 mm footprint, the unit fits directly inside standard electrical junction boxes behind wall plates or equipment.
- • Wiring: Connect directly to the standard KNX bus cable line. Do not attach external power supplies.
- • Configuration & Procurement: Commissioning, parameter assignment, and code learning must be performed via ETS DCA. Verify exact SKU (WRKT26401NC) against project BOQ schedules to ensure full compatibility with specification sheets.
Developer Resources
- System parameterization, IR learning, and code mapping are performed using the ETS DCA (Device Configuration App). Integrators should refer to official documentation and technical files from Panasonic to verify exact object structures and macro execution rules.
FAQ
Does the Panasonic WRKT26401NC require an external power supply?
No, the device is powered entirely through the KNX bus line. For certificates and current technical files, refer to the official product documentation.
How many IR devices can be stored in memory?
The interface features onboard memory for up to 250 IR devices and supports up to 16 sequential macros.
Can the WRKT26401NC both send and receive infrared commands?
Yes, it includes 3 transmission-only ports and 1 configurable port for both receiving and transmitting IR signals.
How is the IR transmitter configured?
Configuration and IR code learning/uploading are completed using the ETS DCA (Device Configuration App).
What is the exact product model?
The order/model code for this page is WRKT26401NC. Match it against project documents before purchase.
Who is the manufacturer?
This product is manufactured by Panasonic.
Conclusion
The Panasonic KNX IR Transmitter WRKT26401NC offers a reliable, bus-powered bridge for incorporating infrared devices into native KNX environments. Installers and system integrators can review our professional project support options.
With flexible port choices, logic capabilities, ETS DCA configuration, and compact dimensions, it is a practical choice for integrators handling commercial HVAC, hospitality, and residential automation installations.






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