374290 Tegui T-75E Series 7 telephone | 2-wire intercom

374290 Tegui T-75E Series 7 Telephone

The Tegui T-75E Series 7, reference 374290, is a basic door entry telephone for 2-wire installations. It enables audio communication and has a door lock release button and another button for auxiliary functions.

Reference documentation

View the Tegui 2026 general catalog · PDF

General catalog, not a manual specific to the 374290. Catalog prices are the manufacturer's list prices; the applicable sale price is the one shown in this store.

Documented functions

• T-75E Series 7 basic telephone.
• Designed for 2-wire installations.
• A door lock release button.
• A button for auxiliary functions, whose use must be checked in the installation.

Requirement for video installations

When installed as the last unit on the branch in a video installation, it must have a 3499 terminating resistor. Check the wiring diagram and the equipment position before installation.

Before choosing a replacement

Counting the wires is not enough to confirm compatibility. The installer must identify the system and check the references of the existing telephone, entrance panel and power supply, as well as the system configuration.

Frequently asked questions

What model is reference 374290?
The Tegui 2026 catalog identifies it as a T-75E Series 7 basic telephone for 2-wire installations.

Does it have a door release button?
Yes, it has a door lock release button and another button for auxiliary functions.

Is it compatible because my telephone has two wires?
This cannot be confirmed based on the number of wires alone. The system and component references must be identified.

When does the 3499 terminal need to be used?
In video installations, when the telephone is the last unit on the branch, according to the catalog.

Is it a complete kit?
No. This listing is for the 374290 indoor telephone, not a kit with an outdoor panel and power supply.