Timer Eltako SU12DBT/1+1-UC Bluetooth 2-channel, DIN rail compact time switch

Eltako SU12DBT/1+1-UC Bluetooth 2-channel, DIN rail compact time switch is a compact programmable timer intended for installation on standard DIN rails in distribution cabinets. It provides two independent switching channels with local manual control and Bluetooth configuration, enabling timed automation of electrical circuits. The device supports daily and weekly schedules and is suitable for controlling lighting circuits, heating zones, pumps and other loads where timed switching is required. Bluetooth connectivity allows configuration from a smartphone or a tablet without direct access to the distribution cabinet.

Advantages

The DIN rail design saves installation space and integrates with other cabinet components. Two independent channels permit separate schedules for different circuits, reducing the need for multiple devices. Local manual controls provide immediate override and basic operation when Bluetooth is not available. Bluetooth configuration simplifies setup and changes without opening the cabinet, and the compact housing minimizes disruption to existing installations.

Suitable for

Key specifications

How to use

Install the timer on a standard DIN rail in the distribution cabinet and connect each circuit to the corresponding channel according to the wiring diagram provided by the manufacturer. Use the local manual controls for immediate on/off operation during installation and testing. To program schedules, enable Bluetooth on a compatible smartphone or tablet, connect to the device using the manufacturer’s app or configuration tool, and create daily or weekly timers for each channel. Verify that load types and ratings connected to each channel match the device’s switching specifications before regular operation.

Recommendations

Place the device in a dry, ventilated cabinet and avoid locations with excessive heat or moisture. Use Bluetooth configuration only from a safe distance and ensure firmware and configuration tools are up to date. For safety and compliance, have electrical connections performed or verified by a qualified electrician and observe local electrical regulations and load limits.