The ABB KNX Presence Detector Intermediate Ring (series 6131/38-xxx-500) adapts Busch-Presence detectors and Watchdog Sky for mounting on a VDE flush-mounted box. Compatible with 6131/30, 6131/31, 6131/40, 6131/50, and 6131/51 (not required for Mini 6131/20 / 6131/21).

Available in white, aluminium, and black finishes.

Key Features

• VDE box adapter: Bridges detector insert to standard flush-mounted boxes.
• Finish-matched: White, aluminium, and black to coordinate with the detector.
• Accessory only: Not a KNX bus device — order with the matching detector.
• Three finishes: White (6131/38-24-500), Aluminium (6131/38-183-500), Black (6131/38-885-500).

At a Glance

Specification	Detail
Product type	Intermediate ring for mounting presence detectors on VDE flush-mounted boxes
Order codes	6131/38-24-500 · 6131/38-183-500 · 6131/38-885-500
Compatible detectors	6131/30 · 6131/31 · 6131/40 · 6131/50 · 6131/51
Mounting	VDE flush-mounted box
Protection	IP20 indoor
Finishes	White · Aluminium · Black

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

Surface alternative: 6131/39 surface housing.

Order Codes — Finish Variants

Finish	Order code	Product ID
White	6131/38-24-500	2CDG110218R0011
Aluminium	6131/38-183-500	2CDG120040R0011
Black	6131/38-885-500	2CKA006132A0459

Installation Notes

Fit the intermediate ring to the VDE flush box, then install the detector. Choose the same colour suffix as the detector finish.