Theben TR 641 top3 BLE RC Digital Time Switch with Astronomical Program, 1 Channel, DIN Rail 6410330

In commercial and industrial buildings, the Theben TR 641 top3 BLE RC digital time switch automates lighting, heating, and ventilation with precise astronomical scheduling. Mounted on a DIN rail in distribution boards, it uses sunrise and sunset times to control circuits without manual adjustments.

Key specifications

• 1 channel with changeover contact (SPDT)
• Switching capacity: 16 A / 250 V AC (ohmic), 600 W LED
• Astronomical program with automatic sunrise/sunset calculation
• 800 memory locations for time programs
• Power reserve: 10 years (lithium battery)
• Bluetooth Low Energy (BLE) for app programming
• Zero-cross switching for extended relay life
• DIN rail mounting, 2 modules wide
• Operating voltage: 230 V AC, 50–60 Hz

Why choose it

The TR 641 top3 BLE RC combines astronomical control with modern connectivity. Program it directly on the device, via the Theben Connect app over Bluetooth, or with a PC using the OBELISK top3 memory card. The high-resolution LCD with text lines makes setup straightforward, and the zero-cross switching protects connected loads.

Ideal use cases

• Outdoor lighting that follows sunrise and sunset
• Heating and ventilation systems in commercial buildings
• Street lighting and signage control
• Pumps and motors with high inrush currents

Good to know

The astronomical program automatically adjusts for seasonal changes, eliminating the need for manual reprogramming. The device retains its programming for up to 10 years without power, ensuring reliable operation even after extended outages.