Looking for the best M Series time delay relays? We’ve curated a list of the top 10 models to help you find the perfect fit for your industrial or DIY projects.
Time delay relays are essential tools for precise control in industrial and DIY projects. The M Series stands out with its versatility, durability, and wide timing ranges. These relays handle AC/DC voltages, offer multiple delay functions, and are easy to install.
Whether you’re automating lighting, motors, or heating systems, the M Series delivers reliable performance. With industrial-grade materials and compliance to safety standards, these relays ensure peace of mind for every application.
List of Top 10 M Series Time Delay Relays
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Multifunction Time Relay, 16A Delay ON Off GRT8-M1 AC DC 12-240V 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 comes with worry-free after-sales service. |
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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 industrial equipment, lighting, heating, or motors. It’s easy to install and built to last, making it ideal for both professionals and DIY enthusiasts. |
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OMRON H3DS-ML 0.1SEC to 120HR, NO. of Timing RANGES:7RANGES, Product Range:H3DS-M Series, SPDT, Supply Voltage MAX:230VAC ROHS Compliant: YES, TIME DELAY Relay, TIME MAX:120H, TIME MIN:0.1S, R Fun |
The OMRON H3DS-ML is perfect for anyone needing precise time delay control in their home electronics projects. Its wide timing range and ROHS compliance make it a reliable choice for DIY enthusiasts and professionals alike. |
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Multifunction Time Delay Relays AC DC 12V-240 Volt, 16A Mini Adjustable Timer Switch ON Off GRT8-M1, with 10 Electrical Timers Relay Control Delay Function for 1 Minute to 10 Days, DIN Rail Mount |
This multifunction time delay relay is perfect for anyone needing precise timing control in industrial, residential, or automation settings. It’s ideal for HVAC systems, lighting, water pumps, and security systems. |
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Multifunction Time Delay Relays AC DC 24V-240 Volt, 10A Mini Adjustable Timer Switch ON Off GRT6-M1, with 10 Electrical Timers Relay Control Delay Function for 1 Minute to 10 Days, DIN Rail Mount |
This multifunction time delay relay is perfect for anyone needing precise timing control in industrial or home systems. It’s ideal for HVAC, lighting, water pumps, and security systems. |
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Multifunction Time Relay 2 Outputs 16A Adjustable Smart Relay 12V Electronic Timer in Din Rail,0.1s-10 Days Wide Range Delay On Off Factory Automation Universal Voltage GRT8-M2 AC/DC 12V-240V |
This multifunction time relay is perfect for anyone needing precise control over lighting, heating, motors, or machines. It’s ideal for factory automation, industrial equipment, and DIY projects where reliable timing and easy installation matter. |
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GRT8 M1 Multifunction Time Relay, 16A Delay ON Off AC DC 12-240V with 10 Relay Timer Function Choices DIN Rail Electronic Relays of Wide Time Delay Range for 0.1s-10 Days |
This multifunction time relay is perfect for anyone who needs precise timing control in their electrical systems. Whether you’re an industrial professional, a DIY enthusiast, or someone working on home automation, this compact and reliable device ensures accurate delays for your machines or devices. |
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Mini Timer Time Delay Relay .1 Sec to 400 days. 3V 12V 18V 5A. Power on or Off Delay, Cycling and More. Compatible with B00PD65UGA |
This Mini Timer Time Delay Relay is perfect for anyone who needs precise timing control in their automation projects, machinery, or electronic systems. Whether you’re a hobbyist, engineer, or professional, it’s ideal for DIY projects, industrial applications, or custom automation setups. |
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Delay ON Time Relay 16A ON Delay Timer Relay GRT8 A2, DIN Rail Electronic Relays of Wide Time Delay Range for 0.1 Seconds to 10 Days Voltage Range AC DC 12V to 240V |
This Delay ON Time Relay is perfect for anyone who needs to control timing in industrial settings, lighting systems, or manufacturing processes. It’s easy to install and built to last, making it ideal for precise delay needs. |
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328 MOS TIME DELAY Relay |
The 328 MOS TIME DELAY Relay is perfect for anyone needing a reliable delay switch. It’s great for simple projects or quick fixes. |
Detailed Reviews
Discover the top 10 M Series Time Delay Relays, handpicked for performance and value. This guide simplifies your choice with clear, expert insights and real customer feedback. Find the perfect relay for your needs and take control with confidence.
1. Multifunction Time Relay, 16A Delay ON Off GRT8-M1 AC DC 12-240V with 10 Relay Timer Control Delay Function Mode DIN Rail Electronic Relays of Wide Time Delay Range for 0.1 Seconds to 10 Days

Meet the GRT8-M1 Multifunction Time Relay, your new best friend for precise control. This 16A relay handles both AC and DC power from 12-240V, offering 10 different delay functions to fit any need.
It’s built tough for industrial use. Easily set delays from 0.1 seconds to 10 days. Get yours with a 3-year warranty.
| Pros | Cons |
|---|---|
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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 comes with worry-free after-sales service.
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

Meet the Multifunction Time Relay, your new best friend for precise control. This GRT6-M1 model is built to handle a wide range of tasks with its 10A capacity and AC DC 24-240V compatibility.
It offers 17 different delay functions. You can set times from 0.1 seconds to 10 days. It’s perfect for many jobs.
This relay is built tough with an industrial-grade ABS plastic housing and meets UL, CE, CB, and RoHS standards. Plus, enjoy worry-free after-sales service with a 30-day return and a 3-year warranty.
| Pros | Cons |
|---|---|
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Perfect For:
This multifunction time relay is perfect for anyone needing precise control over industrial equipment, lighting, heating, or motors. It’s easy to install and built to last, making it ideal for both professionals and DIY enthusiasts.
Ready to Purchase?
3. OMRON H3DS-ML 0.1SEC to 120HR, NO. of Timing RANGES:7RANGES, Product Range:H3DS-M Series, SPDT, Supply Voltage MAX:230VAC ROHS Compliant: YES, TIME DELAY Relay, TIME MAX:120H, TIME MIN:0.1S, R Fun

The OMRON H3DS-ML is a time delay relay with a wide timing range. It can handle delays from 0.1 seconds to 120 hours. This SPDT relay works with a maximum supply voltage of 230VAC.
It has 7 timing ranges and is ROHS compliant. The H3DS-M Series is lightweight, weighing just 0.16 pounds. It’s a reliable and efficient choice for timing control needs.
| Pros | Cons |
|---|---|
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Perfect For:
The OMRON H3DS-ML is perfect for anyone needing precise time delay control in their home electronics projects. Its wide timing range and ROHS compliance make it a reliable choice for DIY enthusiasts and professionals alike.
Ready to Purchase?
4. Multifunction Time Delay Relays AC DC 12V-240 Volt, 16A Mini Adjustable Timer Switch ON Off GRT8-M1, with 10 Electrical Timers Relay Control Delay Function for 1 Minute to 10 Days, DIN Rail Mount

Meet the GRT8-M1 Multifunction Time Delay Relay. It’s a versatile timer for your electrical needs. Control your devices with precision.
This mini timer offers 10 different delay functions. You can set times from 0.1 seconds to 10 days. It works with AC/DC 12V-240V and handles 16A.
Installation is a breeze with its DIN rail mount. The durable ABS plastic protects it. Get reliable timing control for many applications.
| Pros | Cons |
|---|---|
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Perfect For:
This multifunction time delay relay is perfect for anyone needing precise timing control in industrial, residential, or automation settings. It’s ideal for HVAC systems, lighting, water pumps, and security systems.
Ready to Purchase?
5. Multifunction Time Delay Relays AC DC 24V-240 Volt, 10A Mini Adjustable Timer Switch ON Off GRT6-M1, with 10 Electrical Timers Relay Control Delay Function for 1 Minute to 10 Days, DIN Rail Mount

Meet the GRT6-M1 Multifunction Time Delay Relay. It’s a miniature and adjustable timer. This relay offers 10 electrical timer functions for precise control.
This versatile relay handles AC/DC 24V-240V and a 10A current. Its LED indicators clearly show working status, making operation simple.
Built with heavy-duty ABS plastic, it’s durable and UL, CE, CB, RoHS compliant. It easily mounts on a 35mm DIN rail, fitting perfectly into your industrial automation needs.
| Pros | Cons |
|---|---|
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Perfect For:
This multifunction time delay relay is perfect for anyone needing precise timing control in industrial or home systems. It’s ideal for HVAC, lighting, water pumps, and security systems.
Ready to Purchase?
6. Multifunction Time Relay 2 Outputs 16A Adjustable Smart Relay 12V Electronic Timer in Din Rail,0.1s-10 Days Wide Range Delay On Off Factory Automation Universal Voltage GRT8-M2 AC/DC 12V-240V

The GRT8-M2 Multifunction Time Relay is a smart, adjustable timer for factory automation. It works with universal voltage (AC/DC 12V-240V) and handles up to 16A. Use it to control delay times for lighting, motors, or heating elements.
It has clear LED indicators for easy monitoring. The sealed ABS housing is durable and compact, fitting on a 35mm Din rail. Installation is simple and quick.
Enjoy worry-free service with a 30-day return and 3-year warranty. This reliable timer meets UL, CE, CB, and RoHS standards. Perfect for industrial and lighting applications.
| Pros | Cons |
|---|---|
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Perfect For:
This multifunction time relay is perfect for anyone needing precise control over lighting, heating, motors, or machines. It’s ideal for factory automation, industrial equipment, and DIY projects where reliable timing and easy installation matter.
Ready to Purchase?
7. GRT8 M1 Multifunction Time Relay, 16A Delay ON Off AC DC 12-240V with 10 Relay Timer Function Choices DIN Rail Electronic Relays of Wide Time Delay Range for 0.1s-10 Days

The GRT8 M1 Multifunction Time Relay is a versatile tool for controlling machine start and stop times. It works with AC/DC 12-240V and handles up to 16A. This relay is easy to mount on a DIN rail.
It offers 10 timer functions with a wide delay range from 0.1 seconds to 10 days. The three knobs let you adjust delay time, time percentage, and function mode quickly.
Made with durable ABS plastic, it’s compact and lightweight. Plus, it comes with a 30-day return and 3-year warranty for peace of mind.
| Pros | Cons |
|---|---|
|
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Perfect For:
This multifunction time relay is perfect for anyone who needs precise timing control in their electrical systems. Whether you’re an industrial professional, a DIY enthusiast, or someone working on home automation, this compact and reliable device ensures accurate delays for your machines or devices.
Ready to Purchase?
8. Mini Timer Time Delay Relay .1 Sec to 400 days. 3V 12V 18V 5A. Power on or Off Delay, Cycling and More. Compatible with B00PD65UGA

The Mini Timer Time Delay Relay is a versatile tool for precise control. It works with 3V, 12V, or 18V and handles up to 5A. Use it for power on/off delays or cycling tasks.
It’s perfect for automation and control panels. Works with motors, pumps, fans, and lights. Ideal for industrial or DIY projects.
This programmable relay is easy to use and reliable. Great for hobbyists and engineers alike.
| Pros | Cons |
|---|---|
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Perfect For:
This Mini Timer Time Delay Relay is perfect for anyone who needs precise timing control in their automation projects, machinery, or electronic systems. Whether you’re a hobbyist, engineer, or professional, it’s ideal for DIY projects, industrial applications, or custom automation setups.
Ready to Purchase?
9. Delay ON Time Relay 16A ON Delay Timer Relay GRT8 A2, DIN Rail Electronic Relays of Wide Time Delay Range for 0.1 Seconds to 10 Days Voltage Range AC DC 12V to 240V

Meet the Delay ON Time Relay GRT8-A, your go-to for precise industrial timing. This relay is built to handle a wide range of tasks, from controlling lights to starting motors. It’s a reliable workhorse for any manufacturing setup.
It offers an impressive delay range, from a fraction of a second to 10 full days. Plus, it works with a broad voltage spectrum (AC/DC 12-240V) and can handle 16A loads.
Installation is a breeze on a 35mm Din rail. It’s built tough with an industrial-grade ABS plastic housing. You get 3 years of warranty for peace of mind.
| Pros | Cons |
|---|---|
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Perfect For:
This Delay ON Time Relay is perfect for anyone who needs to control timing in industrial settings, lighting systems, or manufacturing processes. It’s easy to install and built to last, making it ideal for precise delay needs.
Ready to Purchase?
10. 328 MOS TIME DELAY Relay

Meet the 328 MOS TIME DELAY Relay. It’s built for precision and reliability. This relay is your dependable choice for any project.
It offers accurate timing control. This makes your tasks simpler.
Trust the 328 MOS TIME DELAY Relay for excellent performance. It’s a smart investment for your needs.
| Pros | Cons |
|---|---|
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Perfect For:
The 328 MOS TIME DELAY Relay is perfect for anyone needing a reliable delay switch. It’s great for simple projects or quick fixes.
Ready to Purchase?
Buying Guide
M Series Time Delay Relays are essential tools for precise control in industrial and DIY projects. They offer versatility, durability, and wide timing ranges. Choose the right one to make your tasks easier and more efficient.
Engaging Experience:
Imagine automating your lighting, motors, or heating systems with ease. The M Series delivers reliable performance, ensuring your projects run smoothly. With industrial-grade materials and safety compliance, you get peace of mind every time.
Factors to Consider When Buying:
– Voltage Compatibility: Ensure the relay works with your power supply, whether AC/DC 12V-240V or specific ranges like 24V-240V.
– Current Rating: Match the relay’s 10A or 16A capacity to your device’s requirements.
– Delay Functions: Look for multiple delay functions (e.g., 10 or 17) to fit various tasks.
– Timing Range: Choose a relay with a wide time delay range, from 0.1 seconds to 10 days, for flexibility.
– Mounting Option: Opt for DIN rail mount for easy installation in industrial setups.
– Durability: Select relays with industrial-grade ABS plastic for long-lasting use.
– Compliance: Ensure it meets safety standards like UL, CE, CB, and RoHS.
– Warranty: Look for 3-year warranties or 30-day returns for added assurance.
– LED Indicators: Choose models with LEDs for easy monitoring of working status.
– Size and Weight: Consider compact and lightweight options for tight spaces.