BTicino Additional audio handset internal unit — 330451

Technical specifications

Manufacturer model: 330451 Catalogue reference: BT-330451 EAN: 8005543573877 Range: Sfera Manufacturer category: Video door entry systems/Basic video door entry kits/Audio kits Installation technique: Other Connected object: No Mounting method: Wall surface mounted Width: 86mm Voltage type: AC Hands free: No degree of impact strength (IK): IK07 Nominal voltage (Min-Max): 100-240V Degree of protection (IP): IP54 Antimicrobial treatment: No Confirm the required regional standard and system compatibility when selecting this model. Product reference: https://www.bticino.com/products/bt-330451 Source: https://www.bticino.com/products/video-door-entry-systems/basic-video-door-entry-kits?limit=48&page=0&sort=a-to-z Checked: 2026-10-11