The ABB KNX Presence Detector (series 6131/30-xxx-500) is a ceiling-mounted presence and movement detector for ABB i-bus® KNX projects. With 360° detection, 2 independent channels, and constant light switching, it controls lighting based on occupancy and measured room brightness in offices, classrooms, and circulation spaces.

Available in white, aluminium, and black finishes.

Key Features

• 360° sensor range: Circular detection for seated and walking persons.
• 2 channels: Independent control of two light bands.
• Constant light switching: Brightness-dependent on/off of lighting rows.
• 2 power-off stages: Staged energy reduction with monitoring functions.
• Integrated KNX bus coupler: No separate coupler required.
• Three finishes: White (6131/30-24-500), Aluminium (6131/30-183-500), Black (6131/30-885-500).

Detection Range

• At 2.5 m / 3 m / 4 m: Circular ranges for seated and walking persons (see ABB datasheet).

At a Glance

Specification	Detail
Product type	KNX presence detector — 2-channel, constant light switching, 360°
Order codes	6131/30-24-500 · 6131/30-183-500 · 6131/30-885-500
Detection angle	360°
Channels	2 independent
Mounting	Ceiling — flush, surface (6131/39), or VDE box (6131/38)
Visible height	≈ 23 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.

Premium variant: 6131/31 Presence Detector Premium.

Order Codes — Finish Variants

Finish	Order code	Product ID
White	6131/30-24-500	2CKA006132A0346
Aluminium	6131/30-183-500	2CKA006132A0347
Black	6131/30-885-500	2CKA006300A1641

Installation Notes

Ceiling flush (hollow-wall) or surface mount with housing 6131/39. For VDE flush boxes use intermediate ring 6131/38. Optimum mounting height typically 2.5 … 4 m depending on coverage.