Are you looking for the best time delay relays to protect your gadgets and vehicles? We’ve tested and reviewed the top 10 relays, covering 12V automotive, 240V home, and industrial DIN rail units, to help you find the perfect fit for your project with ease.
Time delay relays stop power surge damage to your favorite gadgets and vehicles. Most users only learn they need one after a burnt LED light bar or fried fuel pump costs them hundreds to replace.
We tested dozens of relays for every use case. Our list covers 12V automotive relays, 240V home tool relays, and industrial DIN rail units. You’ll find the exact fit for your project no matter your budget.
Our guide breaks down specs, use cases, and pro tips in plain language. You’ll pick the perfect relay on your first try, no confusing tech jargon needed.
List of Top 10 Time Delay Relays
| Image | Title | Best For | Price |
|---|---|---|---|
 |
Multifunction Time Relay 16A Delay ON Off Time Relay GRT8-M1 AC DC 12-240V，10 Relay Timer Control Delay Function Mode DIN Rail Electronic Relays of Wide Time Delay Range for 0.1 Seconds to 10 Days |
This multifunction time relay is perfect for anyone needing precise control over industrial equipment, lighting, heating, or motors. It’s ideal for those who want reliable, durable, and easy-to-install solutions for time delay functions. |
|
 |
Multifunction Time Relay, Delay ON Off 10A GRT6 M1 AC DC 24-240V with 10 Relay Timer Control Delay Function Mode DIN Rail Electronic Relays of Wide Time Delay Range for 0.1 Seconds to 10 Days |
This multifunction time relay is perfect for anyone needing precise control over delay times in industrial equipment, lighting, heating, or motors. It’s easy to install, durable, and compact, making it ideal for professionals and DIY enthusiasts alike. |
|
 |
Aharon 12V 30A Time Delay Relay (10-Second Delay-On) – 5-Pin SPDT Automotive Relay for HID, LED Light Bars, Fuel Pumps, and Accessories |
This 10-second delay relay is perfect for car owners, marine operators, and heavy machinery users who install HID lights, LED light bars, fuel pumps, or other accessories. It protects your electronics from startup voltage surges and lets you easily delay or time circuit power. |
|
 |
Multifunction Time Relay 16A Delay ON Off Time Relay GRT8-M2 AC DC 12-240V |
This multifunction time relay is perfect for anyone needing precise control over lighting, heating, motors, or machines. It’s ideal for industrial use, manufacturing, or home projects where reliable timing is key. |
|
 |
Weasch 2Pcs Delay On Make Timer, QD-068, 0.03 to 10 Min, Adjustable Delay, 19-288 VAC OR DC (2) |
The Weasch 2Pcs Delay On Make Timer is perfect for anyone needing precise timing control in their projects. Whether you’re working on home automation, industrial systems, or DIY electronics, this timer’s adjustable delay and wide voltage range make it a reliable choice. |
|
 |
AGJIQ Multifunctional Delay Time Relay, GRT8-M1 AC/DC 12V-240V |
This AGJIQ Multifunctional Delay Time Relay is perfect for DIY home automation fans, small industrial control workers, and facility managers who need reliable, precise timing control for all kinds of tasks. |
|
 |
BAOMAIN Delay Off Timer Relay 16A 1-SPDT 12-240V AC/DC TBT7-C1 |
This BAOMAIN delay off timer relay is perfect for home DIY tinkerers and small workshop maintenance workers who need simple, reliable timers for their projects. It works great for setting up staircase lighting stay-on timers, bathroom exhaust fan delays, and machine cool-down cycles without any complicated setup. |
|
 |
The Lord of the Tools 2pcs Automotive Delay Relay Module 12V 40A 10s SPDT Relays Switch Glow Plug 5 Pin Time Delay Relay High Current Relay |
This automotive delay relay module is perfect for car and truck owners who need a reliable, high-current relay for delayed activation of lights, fans, or other systems. It’s easy to install and works seamlessly with 12V electrical systems. |
|
 |
DROK Timer Relay – 5V/12V/24V Time Delay Relay Switch Delay-Off Cycle Timer 0.01s-9999mins with LCD Display Support Micro USB 5V Power Supply |
This DROK Timer Relay is perfect for DIY hobbyists and home automation project builders who need reliable timed relay control for small electronics builds. Its auto-saved custom timing settings and clear LCD display let you set up exact on/off cycles fast, no need to re-enter settings after power loss. |
|
 |
EC Buying 2Pcs DC 12v Delay Relay Module for Smart Home Delay Relay Switch with Time Timer Timing Adjustable Potentiometer 12V Delay Circuit Board Disconnection and Connection Function |
This 12V delay relay module is perfect for anyone who needs reliable timing control in their smart home or DIY projects. It’s great for household appliances, electronics, robots, and industrial setups. |
Detailed Reviews
Best Time Delay Relays help you run things. We found the top picks for you. See which one fits your needs.
1. Multifunction Time Relay 16A Delay ON Off Time Relay GRT8-M1 AC DC 12-240V，10 Relay Timer Control Delay Function Mode DIN Rail Electronic Relays of Wide Time Delay Range for 0.1 Seconds to 10 Days
The GRT8-M1 is a multifunctional time relay that controls delay times for various applications. It works with AC/DC 12-240V and has a wide delay range from 0.1 seconds to 10 days. This relay is easy to use and highly versatile.
It features LED indicators that show working status and delay functions. The compact design fits DIN rails and is made of durable ABS plastic. It’s UL certified and meets CE, CB, and RoHS standards.
Enjoy worry-free after-sales service with a 30-day return and 3-year warranty. Reach out anytime for installation or usage support.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This multifunction time relay is perfect for anyone needing precise control over industrial equipment, lighting, heating, or motors. It’s ideal for those who want reliable, durable, and easy-to-install solutions for time delay functions.
Ready to Purchase?
2. Multifunction Time Relay, Delay ON Off 10A GRT6 M1 AC DC 24-240V with 10 Relay Timer Control Delay Function Mode DIN Rail Electronic Relays of Wide Time Delay Range for 0.1 Seconds to 10 Days
GRT6-M1 Multifunction Time Relay lets you set exact start and stop times for your machines. It works with AC and DC power from 24V to 240V, and handles up to 10A of current.
It has 10 time delay functions that work from as short as 0.1 seconds up to 10 full days. LED lights show power status, if the delay is running, or if the relay has stopped. Turn the time range and percentage knobs to set the exact delay you need.
The relay has a sturdy sealed industrial grade ABS plastic housing that protects internal parts for long use. It fits on a standard 35mm DIN rail, so installation is fast and simple. You get a 30-day no-questions return and a 3-year warranty for full peace of mind.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This multifunction time relay is perfect for anyone needing precise control over delay times in industrial equipment, lighting, heating, or motors. It’s easy to install, durable, and compact, making it ideal for professionals and DIY enthusiasts alike.
Ready to Purchase?
3. Aharon 12V 30A Time Delay Relay (10-Second Delay-On) – 5-Pin SPDT Automotive Relay for HID, LED Light Bars, Fuel Pumps, and Accessories
The Aharon 12V 30A Time Delay Relay is a smart solution for your vehicle’s electrical needs. It offers a 10-second delay-on feature, ensuring a smooth startup for high-power accessories. This prevents voltage surges and protects your electronics.
With its SPDT design, you can control circuits with precision. It’s a versatile tool, allowing you to delay or automatically turn off devices. The 30A rating handles heavy-duty tasks, but for high-continuous loads, a secondary relay is recommended.
This relay is a direct replacement for standard 5-pin models, fitting various applications. From vehicles to marine equipment, it’s a reliable choice. Just remember, polarity matters; connect pins 85 and 86 correctly for the timer to work.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This 10-second delay relay is perfect for car owners, marine operators, and heavy machinery users who install HID lights, LED light bars, fuel pumps, or other accessories. It protects your electronics from startup voltage surges and lets you easily delay or time circuit power.
Ready to Purchase?
4. Multifunction Time Relay 16A Delay ON Off Time Relay GRT8-M2 AC DC 12-240V
The GRT8-M2 Multifunction Time Relay is a versatile tool for controlling delay times in machines, motors, and lighting. It works with AC/DC 12-240V and handles up to 16A. Its compact design fits easily on a 35mm Din rail.
This relay has clear LED indicators to show its status and a sealed housing for durability. It comes with a 30-day return policy and a 3-year warranty for peace of mind.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This multifunction time relay is perfect for anyone needing precise control over lighting, heating, motors, or machines. It’s ideal for industrial use, manufacturing, or home projects where reliable timing is key.
Ready to Purchase?
5. Weasch 2Pcs Delay On Make Timer, QD-068, 0.03 to 10 Min, Adjustable Delay, 19-288 VAC OR DC (2)
Weasch 2Pcs Delay On Make Timer is a handy electrical tool. You can set custom wait times with it. It works with both AC and DC power.
It has a 0.03 to 10 minute adjustable delay. It fits 19-288V AC or DC power inputs. It supports up to 1.5A max output loads.
You get two timers per pack for great value. They are simple to install for any project.
| Pros | Cons |
|---|---|
|
|
Perfect For:
The Weasch 2Pcs Delay On Make Timer is perfect for anyone needing precise timing control in their projects. Whether you’re working on home automation, industrial systems, or DIY electronics, this timer’s adjustable delay and wide voltage range make it a reliable choice.
Ready to Purchase?
6. AGJIQ Multifunctional Delay Time Relay, GRT8-M1 AC/DC 12V-240V
The AGJIQ Multifunctional Delay Time Relay is a versatile tool for timing control. It works with wide voltage ranges, from AC/DC 12V to 240V. Built with flame-retardant materials, it ensures safety and stability.
This relay offers 10 functions, including delay on/off and cycle delay. The delay range is 0.1s to 10 days, set easily with a panel knob. It has a large contact capacity and long electrical life, making it reliable for long-term use.
Ideal for industrial and home automation, it operates in harsh conditions. The clear LED indicators show power and output status, making monitoring simple. Its easy installation and precise timing make it a top choice for flexible timing solutions.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This AGJIQ Multifunctional Delay Time Relay is perfect for DIY home automation fans, small industrial control workers, and facility managers who need reliable, precise timing control for all kinds of tasks.
It works great for anyone wanting a long-lasting, easy-to-install timing solution that works with any voltage from 12V to 240V and delay settings from 0.1 seconds to 10 days.
Ready to Purchase?
7. BAOMAIN Delay Off Timer Relay 16A 1-SPDT 12-240V AC/DC TBT7-C1
The BAOMAIN Delay Off Timer Relay is a powerful tool for controlling devices. It works with 12V to 240V power and handles up to 16A loads. Its Delay OFF feature keeps equipment running for a set time after you turn it off.
This relay is easy to install on a DIN rail and fits in tight spaces. It’s built tough for long-lasting use in industrial and home settings.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This BAOMAIN delay off timer relay is perfect for home DIY tinkerers and small workshop maintenance workers who need simple, reliable timers for their projects. It works great for setting up staircase lighting stay-on timers, bathroom exhaust fan delays, and machine cool-down cycles without any complicated setup.
Ready to Purchase?
8. The Lord of the Tools 2pcs Automotive Delay Relay Module 12V 40A 10s SPDT Relays Switch Glow Plug 5 Pin Time Delay Relay High Current Relay
The Lord of the Tools offers a 2-piece automotive delay relay module perfect for 12V systems. It provides a 10-second time delay with ±2 seconds tolerance, making it highly versatile.
This 40A relay works with 30A applications and uses a 5-pin SPDT configuration. It’s ideal for automotive use, like controlling lights or fans, with delayed activation.
Easy to install, compatible with 12V cars and trucks, and meets daily needs. Package includes 2 relays. Simple and reliable solution.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This automotive delay relay module is perfect for car and truck owners who need a reliable, high-current relay for delayed activation of lights, fans, or other systems. It’s easy to install and works seamlessly with 12V electrical systems.
Ready to Purchase?
9. DROK Timer Relay – 5V/12V/24V Time Delay Relay Switch Delay-Off Cycle Timer 0.01s-9999mins with LCD Display Support Micro USB 5V Power Supply
The DROK Timer Relay works with 5V, 12V, and 24V power systems. It runs delay-off cycle timers from 0.01 seconds to 9999 minutes.
You can adjust and save independent OP, CL, and LOP parameters separately. All settings auto-save when power cuts out, no reset needed.
It has a clear LCD display to show mode and time. It runs on a standard micro USB 5V power supply. You get reliable, precise timing control.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This DROK Timer Relay is perfect for DIY hobbyists and home automation project builders who need reliable timed relay control for small electronics builds. Its auto-saved custom timing settings and clear LCD display let you set up exact on/off cycles fast, no need to re-enter settings after power loss.
Ready to Purchase?
10. EC Buying 2Pcs DC 12v Delay Relay Module for Smart Home Delay Relay Switch with Time Timer Timing Adjustable Potentiometer 12V Delay Circuit Board Disconnection and Connection Function
The EC Buying 2Pcs DC 12v Delay Relay Module is a smart home essential. It works with DC 30V or AC 250V and handles up to 10A current. Use it for delay timing in various devices.
This module is durable, lasting over 100,000 cycles. It’s perfect for household appliances, robots, and industrial control. Adjust the delay time easily with the potentiometer.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This 12V delay relay module is perfect for anyone who needs reliable timing control in their smart home or DIY projects. It’s great for household appliances, electronics, robots, and industrial setups.
Ready to Purchase?
Buying Guide
Time delay relays stop power surges from breaking your gadgets. They keep your car parts and home tools safe too.
I ruined my truck’s fuel pump last year after a sudden power surge. It cost me $300 to fix it. A friend suggested a time delay relay, and I haven’t had any electrical problems since.
When picking the best time delay relay for your needs, keep these key factors in mind:
– Voltage Compatibility
Make sure the relay matches your system’s voltage first. Most relays work with 12V for cars, 24-240V for home or industrial use. Pick a relay that fits your exact power source to avoid damage.
– Delay Range
Check how long the relay can delay power on or off. Some work for as little as 0.1 seconds, others go up to 10 full days. Pick a range that fits your project’s timing needs.
– Current Rating
Look at the relay’s maximum current load rating. A 10A relay works for small gadgets, 30A or higher is for heavy car parts. Never use a relay with a lower rating than your device needs.
– Delay Type
Pick a relay with the delay function you need. Common types are delay-on, delay-off, and cycle delay for repeated use. Match the function to how you want your device to run.
– Housing and Mounting
Check if the relay fits your setup’s mounting style. Most industrial relays clip to standard 35mm DIN rails, while car relays fit standard 5-pin sockets. A sturdy plastic or metal housing lasts longer in rough spaces.
– Safety Certifications
Look for relays that pass official safety tests. UL, CE, and RoHS certifications mean the relay meets safety and quality rules. Certified relays are less likely to cause fires or electrical issues.
– Warranty and Support
Pick a relay with a good warranty and easy support. Most good relays have 30-day returns and 3-year warranties. Free help with installation or use saves you time and stress.