Theben TM 345 MF Electronic Time Relay, 10 Operating Modes, 12-240 V AC/DC, 16 A, DIN Rail 3450733

Theben TM 345 MF is an electronic time relay with 10 operating modes, designed for flexible timing control in industrial and building automation. Its wide supply voltage range of 12-240 V AC/DC allows use in various electrical systems without additional power supplies.

Advantages

Ten selectable operating modes cover a wide range of timing functions such as delay-on, delay-off, interval, and pulse generator. The relay output with one changeover contact switches up to 16 A resistive load, suitable for direct control of motors, lamps, and heaters. The clear LCD display and simple menu navigation enable quick setup and status monitoring.

Suitable for

• Staircase lighting and ventilation control
• Pump and fan control in HVAC systems
• Machine start/stop sequences
• Access control and door openers

Key specifications

• Supply voltage: 12-240 V AC/DC, 50/60 Hz
• Output: 1 changeover contact (SPDT), AgSnO2
• Max. switching current: 16 A resistive / 3 A inductive (250 V AC)
• Time range: 0.05 s to 100 h, adjustable in 7 ranges
• Mounting: DIN rail, 1 module width
• Connection: screw terminals
• Operating temperature: -25 °C to +55 °C
• Protection: IP20 housing, IP40 front

Recommendations

For reliable timing tasks in control cabinets, the TM 345 MF offers a robust solution with high switching capacity and easy configuration.