BTicino 4.3" Additional handset video internal unit — 330551

Technical specifications

Manufacturer model: 330551 Catalogue reference: BT-330551 EAN: 8005543573853 Range: Sfera Manufacturer category: Video door entry systems/Basic video door entry kits/Video kits With memory function: No Installation technique: Multi-wire system With video: Yes Material: Plastic With touch screen: No Connected object: No Mounting method: Surface mounted Colour: White 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-330551 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