Modular cyclic time relay | 1C/O | 8A | 12–240VAC/DC | IP20 | DIN | Promfactor Baltic FRT14 51

Technical Data
Power Supply Voltage: 12–240 V AC/DC
Nominal Frequency: 50/60 Hz
Time Range: 0.1 sec – 10 days
Setting Accuracy: ≤5%
Repeat Accuracy: ≤0.2%
Number of Contacts: 1 changeover contact (1 C/O)
Contact Current: AC1: 8A; AC15: 2A
Insulation Voltage (Ui): 250 V
Protection Degree: IP20
Pollution Degree: 3
Durability:
Electrical – 10⁵ cycles
Mechanical – 10⁶ cycles
Connected Conductor Cross-Section: 0.5 – 2.5 mm²
Screw Tightening Torque: 0.5 Nm
Mounting: On DIN rail TN 35
Operating Temperature: -5°C ... +40°C
Storage Temperature: -10°C ... +50°C
Application
This time relay is widely used in automated electrical systems requiring cyclic operation, such as:

Lighting system control (e.g., advertising lights, street lighting)
Ventilation and heating control
Industrial processes requiring repetitive cycles
Water pump and other motorized equipment control
Alarm and automatic gate control
Advantages
Wide power supply range (12–240 V AC/DC) – suitable for various electrical systems
Precise operation – repeat accuracy ≤0.2%
Broad time setting range – from 0.1 sec to 10 days
LED indicators – visual status information
Easy installation – DIN rail mounting
Reliable microprocessor control
Disadvantages
IP20 protection rating – unsuitable for dusty or humid environments without additional enclosure
Only one changeover contact (1 C/O) – may be insufficient for complex circuits
The FRT14 51 Modular Cyclic Time Relay is a reliable and precise solution for automated systems requiring an adjustable and repetitive operating cycle.