The ABB KNX Presence Detector Mini Premium (series 6131/21-xxx-500) is a compact ceiling-mounted presence and movement detector for ABB i-bus® KNX projects. It extends the Mini platform with 4 light-control channels, HVAC presence control, an integrated room temperature controller object, IR remote channels, and 5 logic functions — ideal for refined office and meeting-room automation.

Available in white, aluminium, and black finishes.

Key Features

• 4 channels: Extended light control versus the standard Mini (6131/20).
• HVAC function: Presence-linked heating, cooling, and ventilation control.
• RTC object: Integrated room temperature controller object with temperature sensing.
• IR + logic: Freely programmable IR channels and 5 logic channels (gates, delay, staircase).
• Constant light control: Maintains target illuminance via independent dimming outputs.
• Three finishes: White (6131/21-24-500), Aluminium (6131/21-183-500), Black (6131/21-885-500).

Detection Range

• At 2.5 m: Seated persons up to Ø 5 m; walking persons up to Ø 6.5 m.
• At 3 m: Seated persons up to Ø 6.5 m; walking persons up to Ø 8 m.
• At 4 m: Seated persons up to Ø 9 m; walking persons up to Ø 10.5 m.

At a Glance

Specification	Detail
Product type	KNX presence detector mini Premium — 4-channel, constant light, HVAC, RTC object
Order codes	6131/21-24-500 · 6131/21-183-500 · 6131/21-885-500
Detection angle	360°
Light channels	4
Mounting	Ceiling — surface or false ceiling (Ø 68 mm)
Visible height	16 mm
Protection	IP20
Bus system	KNX twisted pair (TP)
Finishes	White · Aluminium · Black

Select a finish below for the exact manufacturer order code (SKU) and pricing. Full details are listed under Technical Specifications.

Related standard Mini: 6131/20 Presence Detector Mini.

Order Codes — Finish Variants

Finish	Order code	Product ID
White	6131/21-24-500	2CKA006132A0344
Aluminium	6131/21-183-500	2CKA006132A0345
Black	6131/21-885-500	2CKA006800A2515

Installation Notes

Suitable for surface mounting or false ceilings with board thickness 9 … 25 mm and hole size Ø 68 mm. Optimum mounting height is 2 m. For surface mount, pair with housing 6131/29.