KNX Smart Panels: How to Choose 2‑key / 4‑key / 6‑key / 8‑key Models?

When deploying a KNX smart system, panel selection is a frequent pain point. Many buyers focus only on appearance and colour, only to find insufficient keys or mismatched functions after installation — unable to accommodate required scenarios, or paying extra for unused buttons. Below is a full breakdown of application scenarios and product series for 2‑key to 8‑key panels for reliable selection.

The 2‑key panel is designed for compact spaces. Ideal for functionally‑limited areas such as bathrooms, walk‑in wardrobes and storage rooms. It perfectly controls one set of lighting plus curtains. Minimal buttons deliver a clean look, prevent accidental triggering, and keep costs low.

The 4‑key panel is the mainstream choice for residential projects. Well‑suited for bedrooms, studies and children’s rooms. Each key can be assigned to main lighting, spotlights, curtains, or home/away scenarios. No page‑switching required; easy operation for the elderly and children. It is the most widely‑specified variant in real‑world projects.

The 6‑key panel works for larger spaces including living‑dining areas and open‑plan studies. It accommodates main lighting, ambient lighting, curtains, multi‑scene presets and air‑conditioning adjustment. All functions are consolidated on one unit without stacking multiple wall‑mounted panels.

The 8‑key panel targets luxury flat entrance halls, villa public zones, and commercial premises such as meeting rooms and offices. It enables centralized control of lighting, curtains, HVAC, fresh‑air systems and multi‑scene presets, supporting one‑touch mode switching with high visual consistency.

For product series: The Jingyue Series offers cost‑effective PC‑body units with rich colour options, the preferred solution for standard residential projects. The Zhenbo Series features metal and glass finishes with superior texture, optimized for high‑end residential and commercial installations. For whole‑house temperature management, select all‑in‑one panels with built‑in thermostat functions to eliminate separate thermostat hardware and achieve cleaner wall aesthetics.

Final tips: Reserve one spare key within each zone for future new scenarios without replacing hardware. Prefer thermostat‑integrated panels for HVAC and floor‑heating linkage for better overall consistency.

Reference Part Numbers

• C2E616101_WE_C1: Jingyue 2‑key Smart Panel (Elegant White, PC)
• C2E616201_WE_C1: Jingyue 4‑key Smart Panel (Elegant White, PC)
• C2E616301_WE_C1: Jingyue 6‑key Smart Panel (Elegant White, PC)
• C2E616401_WE_C1: Jingyue 8‑key Smart Panel (Elegant White, PC)
• C2E616201_WE_C1: Jingyue Smart Thermostat Panel (Elegant White)
• NP16162_01SL: Zhenbo 4‑key Smart Panel (Smoke Grey)
• NP16163_01SL: Zhenbo 6‑key Smart Panel (Smoke Grey)
• NP16164_01SL: Zhenbo 8‑key Smart Panel (Smoke Grey)
• NP16212_01SL: Zhenbo 5‑key Thermostat Panel (Smoke Grey)
• NP16260_0104: Zhenbo Touch Control Panel