2-Wire System Accessories: Power Supplies, Interfaces, Relays, and BUS/SCS Cable

Accesorios de sistema 2 hilos BUS/SCS: alimentador 346050, interfaz 346851, relés 346250/346260 y cable 336904 - Legrand Tegui BTicino

Common accessories of the Legrand / Tegui / BTicino 2-wire ecosystem

The 2-wire BUS/SCS video intercom system from the Legrand Group uses a series of common accessories that appear in the Tegui, BTicino, and Legrand Spain catalogs. In many cases, they share the same technical reference, which facilitates identification and replacement in any 2-wire installation.

2-wire Power Supply — Ref. 346050

2-wire power supply BTicino Tegui Legrand 346050

The power supply 346050 is the clearest case: same technical reference in Tegui, BTicino, and Legrand. It powers the 2-wire BUS/SCS system and includes a video adapter for Classe 100 monitors.

Feature Detail
Reference 346050
Use 2-wire audio/video system power supply
Includes Classe 100 video adapter
Format Compact 6 DIN modules
Store price 155,10 €

2-wire expansion interface — Ref. 346851

2-wire expansion interface BTicino 346851

The expansion interface 346851 allows extending the capabilities of the 2-wire system by connecting additional devices or integrating advanced functions into the installation. Listed in the Legrand Spain catalog as an accessory for the 2-wire system.

Feature Detail
Reference 346851
Use 2-wire system expansion interface
System 2-wire BUS/SCS
Store price 152,70 €

Relays and auxiliary modules — Ref. 346250 and 346260

Supplementary lock relay BTicino 346250

The relays 346250 and 346260 are auxiliary modules of the 2-wire ecosystem. The 346250 is a supplementary relay for locks, and the 346260 is a timed relay. Both appear in the BTicino catalog as common system accessories.

Reference Use Store price
346250 Supplementary relay for lock 32,76 €
346260 Timed relay 2 wires 87,57 €
Timed relay 2 wires BTicino 346260

BUS/SCS cable — Ref. 336904

SCS Tegui BTicino cable 336904 BUS 2 wires 200m

The BUS/SCS cable 336904 is the specific cable for 2-wire video intercom installations. It appears in the BTicino catalog as the BUS/SCS system cable and is also marketed under the Tegui brand in Spain.

Feature Detail
Reference 336904
Length 200 m
Type Unshielded, white color
System BUS/SCS 2 wires
Store price 143,76 €

Accessories summary

Reference Product Price
346050 2-wire power supply with video adapter 155,10 €
346851 2-wire expansion interface 152,70 €
346250 Supplementary relay for lock 32,76 €
346260 Timed relay 2 wires 87,57 €
336904 BUS/SCS cable 200m white 143,76 €

Do you need help with your installation?

At Tegui Distel we specialize in Tegui and BTicino video intercom systems. If you have questions about which accessories you need for your 2-wire installation, contact us and we will advise you without obligation.