DC 12V/24V 10A Cyclic Time Delay Relay Module | LED Display
DC 12V/24V 10A Cyclic Time Delay Relay Module with 4-Digit Red LED Display
Take precise control of your automated systems with this versatile Cyclic On/Off Time Delay Relay Module. Designed for makers, engineers, and hobbyists alike, this compact board delivers programmable cycle timing from 0.1 seconds to 999.9 seconds — with switchable units for minutes and hours — making it ideal for industrial equipment automation, electrical control panels, and automotive modification projects.
Made in Mainland China.
Key Features
- Cycle On/Off Control: Intermittent working mode enables timed start-stop automation for a wide range of applications.
- Dual Voltage Input: Compatible with 12V and 24V DC power supplies — adaptable to most project environments.
- High-Precision Timing: Set intervals from 0.1 to 999.9 seconds with a time error of just ±1% for accurate, repeatable control.
- Ultra-Low Standby Power: Only 6mA current draw when the screen is off (19mA screen-on) — energy-efficient and eco-friendly.
- Wide Operating Temperature: Rated from -40°C to 85°C, built to handle demanding and harsh environments.
- 4-Digit Red LED Display: Bright 0.36-inch digits (7.2mm height) for easy at-a-glance monitoring.
- Long Relay Lifespan: Rated for more than 100,000 switching cycles within 10A load.
Full Specifications
| Function | Cyclic On/Off / Intermittent Operation |
| Input Voltage | DC 12V or 24V (selectable) |
| Standby Current | 6mA (screen off) / 19mA (screen on) |
| Output Mode | Passive (switch output): 1× Normally Open + 1× Normally Closed |
| Output Capacity | 10A (≤30VDC or ≤250VAC) |
| Switching Time | ~10ms |
| Time Range | 0.1s – 999.9s (switchable to minutes/hours) |
| Time Error | ±1% |
| Display | 4-digit red LED, 0.36 inches |
| Relay Life | >100,000 operations at 10A |
| Working Temperature | -40°C to 85°C, 95% RH (no condensation) |
| Board Dimensions | 65 × 42 × 20 mm |
| Mounting Hole Spacing | 59 × 36 mm (center distance), 3.2mm hole diameter |
Terminal Reference
- + — Positive power supply terminal
- − — Negative power supply terminal
- NO — Normally Open relay contact
- NC — Normally Closed relay contact
- COM — Common relay contact
Applications
Perfect for industrial automation, motor timing control, lighting interval control, irrigation systems, automotive electronics, and any project requiring programmable cyclic switching.
What's in the Box
- 1× DC 12V/24V 10A Cyclic Time Delay Relay Module
Note: Due to variations in lighting and screen calibration, product colors may appear slightly different from images. Please allow ±1–10mm measurement tolerance due to manual measuring methods.
For more information on electrical safety standards for electronic control components, visit the OSHA Electrical Safety resource.
Frequently Asked Questions
Q: What voltage does this cyclic time relay module support?
A: This relay module supports both DC 12V and DC 24V input power — you can select the voltage that matches your project's power supply. The output is rated for up to 10A within 30VDC or 250VAC.
Q: What is the timing range and precision of this delay relay board?
A: The module can be programmed from 0.1 seconds to 999.9 seconds, with time units switchable between seconds, minutes, and hours. The time error is ±1%, making it reliable for precision automation tasks.
Q: What types of applications is this relay module suitable for?
A: This cyclic on/off time relay is ideal for a wide range of uses including industrial equipment automation, motor start/stop control, timed lighting, automotive relay projects, irrigation timers, and any DIY electronics project requiring programmable intermittent switching cycles.
Q: What output contacts does the relay module provide?
A: The board provides one set of both a Normally Open (NO) and Normally Closed (NC) contact along with a Common (COM) terminal, giving you flexibility to wire it into either normally-energized or normally-de-energized circuit configurations.