BTicino Key cover for 2 functions with illuminated lens - with screen printing symbol 'aspirator' — HD4911BC

Technical specifications

Manufacturer model: HD4911BC Catalogue reference: BT-HD4911BC EAN: 8012199981086 Range: Axolute Manufacturer category: Building automation and control systems/KNX home and building automation systems/Axolute KNX control devices/Key covers for control devices Utilization: Switch/push button Surface protection: Lacquered Material: Plastic Monitoring window/light outlet: Yes Suitable for degree of protection (IP): IP21 Colour: White Width: 22.5mm Model: Two-part rocker Height: 45mm Depth: 5.3mm Type of fastening: Clamp mounting Antimicrobial treatment: No Confirm the required regional standard and system compatibility when selecting this model. Product reference: https://www.bticino.com/products/bt-hd4911bc Source: https://www.bticino.com/products/building-automation-and-control-systems/knx-home-and-building-automation-systems?limit=48&page=1&sort=a-to-z Checked: 2026-10-11