Looking for components for a 2-wire intercom system? At Tegui Distel, you will find the complete Tegui and BTicino range for the BUS SCS system: door panels, monitors, handsets, power supplies, and accessories. Official distributors with permanent stock and 24-hour shipping to Spain.

2-wire intercom Tegui and BTicino – BUS SCS System

The 2-wire intercom system from Tegui and BTicino is the most modern and efficient technology for intercom installations in Spain. With only two conductors, it transmits audio, video, power, and control data to all apartments in the building.

What is the 2-wire system and what are its advantages?

• Minimal wiring — Only 2 conductors for the entire system, regardless of the number of apartments
• Faster and more economical installation than conventional 4+N wire systems
• Ideal for renovations — Often uses existing wiring
• Scalable — Expandable without changing the building’s infrastructure
• Compatible with video intercom — Transmits high-quality video over the same 2 wires
• Official 2-year warranty — Original Tegui and BTicino products with specialized technical support

Products available for 2-wire system

• Door panels — Sfera New, Sfera Robur, and Series 7 for 2-wire system. With HD camera and expandable modules
• Monitors and handsets — Classe 100V16B, Classe 100A16E hands-free, Series 8, and T-72 Teguibus
• Power supplies — Ref. 346040 (audio) and 346050 (with video adapter). Supplementary 346020
• Audio groups — For buildings with multiple apartments. Models EGF and TEGUIBUS
• Modules and electronics — Buttons, directory, RFID, display, and keypad for Sfera New panel
• Boxes and mounts — Flush-mount boxes from 2 to 5 modules and surface mounts
• Complete kits — 1-apartment audio kit (378151) and video kit with Sfera New panel + Classe 100 monitor

Who is it for?

Designed for professional installers seeking the most modern and efficient solution for new installations or intercom renovations in Spain. Official Tegui and BTicino distributor with permanent stock and specialized technical advice.

Frequently asked questions about 2-wire intercom

What is the BUS SCS 2-wire intercom system?

The BUS SCS (Simplified Cabling System) from Tegui and BTicino uses only 2 conductors to transmit audio, video, power, and control signals to all apartments. It is the current standard for new installations and renovations in Spain.

Can I install a 2-wire intercom in a building with old wiring?

In many cases, yes. The 2-wire system can use existing wiring from conventional installations, significantly reducing renovation costs. Contact us with your installation details and we will advise you.

How many apartments does the Tegui BTicino 2-wire system support?

The BUS SCS system is highly scalable. With the appropriate power supplies and audio groups, it can serve from 1 apartment up to large communities with hundreds of apartments, without changing the wiring infrastructure.

Are all Tegui 2-wire products compatible with BTicino?

Yes, compatibility is total. Tegui and BTicino belong to the same group (Legrand) and share the BUS SCS protocol. A Tegui Sfera New panel is compatible with a BTicino Classe 100 monitor and vice versa.

Which power supply do I need for my 2-wire system?

For audio systems, use power supply 346040. For video systems, use 346050 (includes video adapter). For buildings with more apartments, additional power supplies 346020 may be necessary. Contact us if you have any questions.