China Maituo Intelligent Technology Co.，Ltd latest company blog about KNX Touch Panel Selection: Where 4-inch / 7-inch / 10-inch Sizes Fit Best

Engineers working on weak current, building automation and KNX smart projects have most likely run into pitfalls when selecting touch panels. Many projects blindly opt for large screens, which leads to overspent budgets, awkward wall layouts, redundant unused functions, and even failed project acceptance

4-inch KNX Panels | Ideal for Small Homes & Auxiliary Areas

Compact size with flexible installation, mainly for basic lighting, curtain and simple scene control. Perfect for bedrooms, entryways, hallways, restrooms, equipment rooms and other secondary zones. It requires no complex central control functions, making it the cost-effective, minimalist choice for residential and small commercial projects with zero wasted features.

7-inch KNX Panels | All-Round Workhorse for All Projects

The most widely used golden size in the industry with well-balanced functionality. It supports temperature regulation, fresh air management, security monitoring and multi-scene linkage, suitable for living rooms, offices, hotel guest rooms and main apartment zones. Balancing aesthetics and practicality, it meets the demands of 90% of commercial and residential KNX projects.

10-inch KNX Panels | Premium Central Control Only

Large visual display enables centralized management of all zone devices, data monitoring and custom interface editing. Only recommended for core areas such as villa living rooms, corporate meeting rooms, lobby receptions and high-end exhibition halls. Designed for premium display and unified control; avoid installing in ordinary rooms as it will be overkill.

Project selection rule to remember: 4-inch for small secondary spaces, 7-inch for regular areas, 10-inch for core central control zones — avoid all selection mistakes!

Reference of Mainstream Models for Three Major Brands (5 models each)

Brand	Panel Size	Models
Siemens KNX Touch Panels	4-inch	5WG1204-2SB12, 5WG1204-2SB22, UP204S12, UP204S22, Basic TC4 Model
	7-inch	5WG1205-2AB10, White TC5, Black TC5, Desigo TC5-P, TC5 Hotel Special Panel
	10-inch	PXM40.E, Desigo 10-inch Central Control Screen, 5WG1410-1AA01, PXM50.E, Lobby KNX Central Touch Screen
Schneider SpaceLogic KNX Panels	4-inch	Black MTN6215-0410, White MTN6215-0400, Gray MTN6215-0420, Basic Mini Touch, Mini Touch with Temperature Sensor
	7-inch	White MTN6260-7770, Black MTN6260-7790, Silver MTN6260-7750, Touch IP7 for Hotel, Touch IP7 for Office
	10-inch	Wall-mounted Central Control MTN683090, HMIET6500 KNX Linked Screen, ST6-10 KNX Gateway Matching Screen, SpaceLogic 10-inch Embedded Screen, Integrated Lobby KNX Touch Panel
ABB i-bus KNX RoomTouch Panels	4-inch	ST/U4.1.11-811, White RoomTouch 4, Black RoomTouch 4, 2TMA300010W, 4-inch Panel with CO2 Sensor
	7-inch	ST/U7.1.11-821, RoomTouch IP7, H8236-01, 2TMA300030W, 7-inch Touch Screen for Guest Rooms
	10-inch	ST/U10.1.11-811, SmartTouch 10, H8237 Series, 2TMD042400D, 10-inch Whole-house Central Screen for Villas

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