The ABB KNX Watchdog Sky (series 6131/40-xxx-500) is a long-range ceiling presence and movement detector for halls, sports facilities, and high ceilings. It shares the standard detector application set with extended coverage suited to large open spaces.

Available in white and black finishes.

Key Features

• Long-range detection: Circular coverage for halls (ranges up to tens of metres — see datasheet).
• 2 light channels: Occupancy- and brightness-linked lighting control.
• Constant light switching: Daylight-dependent switching of lighting rows.
• Remote operation: Supports IR remote commissioning aids.
• Integrated KNX bus coupler: Direct bus connection.
• Two finishes: White (6131/40-24-500), Black (6131/40-885-500).

Detection Range

• Hall coverage: Designed for mounting heights around 6 … 12 m with large circular footprints (see ABB technical data).

At a Glance

Specification	Detail
Product type	Busch-Watchdog Sky KNX — long-range circular presence/movement detector
Order codes	6131/40-24-500 · 6131/40-885-500
Detection	Circular — long range / halls
Channels	2 for light control
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 · Black

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

For corridors use 6131/50 Corridor.

Order Codes — Finish Variants

Finish	Order code	Product ID
White	6131/40-24-500	2CKA006132A0350
Black	6131/40-885-500	2CKA006300A1596

Installation Notes

Ceiling flush or surface with 6131/39; VDE box via 6131/38.