The Weinzierl KNX TP Push Button 420.1 secure (Art. 5492 push button with mounting kit without rockers, SKU W 420.1) is a MATCH 55 wall controller with integrated BCU and room temperature controller. Combine with one or two rockers for up to four independent button functions. Multicolour LEDs (red/blue/magenta) and a multitone sound generator provide status and acoustic feedback. The device supports KNX Data Security.

Application functions include switching, dimming, shutter, valuator, scene, colour and sequence control plus HVAC/fan-stage thermostat objects. 10 logic/time blocks are built in; direct ETS control without download is possible. Bus current ~12 mA with all LEDs on. Mounting plate 71×71 mm for 68 mm flush boxes; fits standard frames with 55×55 mm internal cut-out. Optional terminal block Art. 5413 for external switches/LEDs. Conventional non-bus sibling: 436 24 V.

Key Features — 420.1 Secure

• MATCH 55 KNX Secure: Bus-coupled wall button + RTC.
• 1–2 rockers / 4 functions: Flexible tactile layout.
• LED + sound: Multicolour feedback and multitone alerts.
• Thermostat objects: Heating/cooling including fan stages.
• 10 logic/time blocks: Local sequences without extra logic modules.
• ~12 mA · IP20: Slim flush install (11 mm behind plate for bus terminal).

At a Glance

Specification	Detail
Order / Art.	W 420.1 · Art. 5492 (kit without rockers)
Series	MATCH 55 · 55×55 mm frames
Functions	Up to 4 buttons · RTC · Secure
Bus current	~12 mA (all LEDs on)
Plate size	71 × 71 mm · flush box 68 mm
Weight	~15 g

Applications and Related Products

• Room wall control: Lighting, blinds and climate on Secure TP.
• 24 V conventional: 436 into 411.1.
• Frame guide: MATCH 55 compatibility PDF under Downloads.

Choosing and Commissioning

Order rockers/frames separately per MATCH 55 range. Program with the Secure ETS5 database; optional Art. 5413 terminal for extensions. Indoor dry locations only.