This digital cyclic timer is a robust digital timer designed for precision ON/OFF control in industrial, automation, and equipment timing applications. It also functions as a reliable cyclic timer and countdown timer for repetitive time-based switching tasks.
Powered by 230V AC and built around a high-accuracy PIC MCU, this timer lets you set ON and OFF durations with simple buttons (SET, INC, DEC). The built-in relay switches 230V AC up to 10 A, making it ideal for motors, heaters, pumps, lights, and other loads.
⚠️ Note: This timer is not RTC (Real-Time Clock) based it measures elapsed timing, not clock time.
| Parameter |
Specification |
| Product Type |
Digital Cyclic Timer |
| Operating Voltage |
230V AC |
| Output Type |
Wet Relay Output |
| Relay Rating |
230V AC, 10A |
| Timer Modes |
On Delay, Off Delay, On-Off Cyclic, Off-On Cyclic |
| Time Display Range |
0000 to 9999 |
| Timing Range (Seconds) |
1 sec – 9999 sec |
| Timing Range (Minutes) |
1 min – 9999 min |
| Programming Method |
SET, INC, DEC Buttons |
| Controller |
PIC Microcontroller (MCU) |
| Memory Backup |
Yes (Non-volatile) |
| Over-Current Protection |
On-board Fuse |
| Clock Type |
Elapsed Timer (Not RTC Based) |
| Application Type |
Industrial & Automation Timing |
Problems This Timer Solves
❗ Problem: Manual control of equipment leads to inconsistent operation and wasted energy.
✔️ Solution: Set precise ON/OFF cycles with this digital timer to automate control and ensure repeatable performance.
❗ Problem: After power loss, many timers reset and require reprogramming.
✔️ Solution: This cyclic timer retains settings automatically — no need to re-enter times after power is restored.
❗ Problem: You need periodic switching that standard delays don’t support.
✔️ Solution: Use the On-Off Cyclic and Off-On Cyclic modes for repetitive cycles without external controllers.
Typical Applications
- Automated switching of motors, pumps, compressors
- Lighting control (periodic ON/OFF schedules)
- Industrial process timing
- Conveyor, batching, or dosing systems
- Fan and HVAC automation
- Agricultural irrigation cycles
Q: What is this timer used for?
A: It automatically controls electrical loads using countdown or cyclic timing.
Q: Does this timer have a real-time clock (RTC)?
A: No, this is not an RTC-based timer and cannot operate on a daily schedule.
Q: What supply voltage does it require?
A: The timer operates directly from 230V AC.
Q: What is Cyclic Mode?
A: Cyclic Mode repeatedly turns the output ON and OFF for preset durations.
Q: What is Countdown Mode?
A: Countdown Mode activates or deactivates the output after a set delay.
Q: Will the timer keep running during a power failure?
A: No, the timer stops when power is removed.
Q: Are my settings saved after power is turned off?
A: Yes, all programmed settings are stored in non-volatile memory.
Q: Can I control pumps, lights, motors, and relays?
A: Yes, provided the load current is within the relay rating.
Q: Is programming software required?
A: No, all settings can be configured directly from the timer.
Q: Can beginners use this timer?
A: Yes, the timer is designed for easy setup and operation.
