Best 24V Relays

Looking for the best 24V relays to enhance your electrical systems? We’ve curated a list of the top 10 options to help you find the perfect fit for your needs.

24V relays are essential tools for controlling electrical circuits in homes, industries, and vehicles. They ensure safe and efficient operation of devices like motors, lights, and appliances.

Choosing the right 24V relay can boost performance and save time. From automotive systems to industrial automation, these relays handle high currents and complex tasks with ease.

We’ve tested and reviewed the best 24V relays to help you find the perfect fit. Whether you need waterproof designs, DIN rail compatibility, or high-amp capacity, we’ve got you covered.

List of Top 10 24V Relays

Image Title Best For Price
2PCS Electromagnetic Power Relay, 8-Pin 10A 24 DC Relay Coil with Socket Base, LED Indicator, DPDT 2NO 2NC - MY2NJ 2PCS [Applicable for DIN Rail System] 2PCS Electromagnetic Power Relay, 8-Pin 10A 24 DC Relay Coil with Socket Base, LED Indicator, DPDT 2NO 2NC – MY2NJ 2PCS [Applicable for DIN Rail System]

This 2PCS Electromagnetic Power Relay is perfect for anyone who needs reliable control in household or industrial settings. It’s ideal for motors, pumps, and starters, with a clear LED indicator to show when it’s working.

View on Amazon (paid link)
Gebildet 2pcs JD2914 Car Relay Harness 24V 40A 4 Pin SPDT 12AWG Harness Sockets with Built-in Diode for Automotive Truck Van Motorcycle Boat Gebildet 2pcs JD2914 Car Relay Harness 24V 40A 4 Pin SPDT 12AWG Harness Sockets with Built-in Diode for Automotive Truck Van Motorcycle Boat

This Gebildet 2pcs JD2914 Car Relay Harness is perfect for anyone who needs reliable and durable relays for their vehicle or boat. It’s ideal for automotive, truck, van, motorcycle, and boat owners looking to protect their electrical systems with built-in diode protection.

View on Amazon (paid link)
irhapsody Relay 24V, 30/40 Amp Waterproof Relay Kit, 5-pin SPDT Automotive Relay, Pack of 5 irhapsody Relay 24V, 30/40 Amp Waterproof Relay Kit, 5-pin SPDT Automotive Relay, Pack of 5

This kit is perfect for DIY car builders, mechanics, and anyone who needs a reliable 24V relay for heavy-duty automotive or marine projects. It’s made for people who want strong performance with waterproof protection and clear wiring you can trust.

View on Amazon (paid link)
AEDIKO 4pcs DC 24V Relay Module 1 Channel Relay Board with Optocoupler Isolation Support High or Low Level AEDIKO 4pcs DC 24V Relay Module 1 Channel Relay Board with Optocoupler Isolation Support High or Low Level

This AEDIKO 4pcs DC 24V Relay Module is perfect for anyone working with electronics projects or automation systems. It’s ideal for hobbyists, makers, and professionals using ARM, PIC, AVR, MCU, Raspberry Pi, or CNC machines.

View on Amazon (paid link)
ZJWZJH UL Listed 10Pcs Miniature Electromagnetic Relay 24V Coil DC/AC; Signal for PLC; HF41F/24-ZS 1NO 1NC 6Amp SPDT with Jumper, Separator, Din Rail Relay 24V ZJWZJH UL Listed 10Pcs Miniature Electromagnetic Relay 24V Coil DC/AC; Signal for PLC; HF41F/24-ZS 1NO 1NC 6Amp SPDT with Jumper, Separator, Din Rail Relay 24V

This ZJWZJH UL Listed 10Pcs Miniature Electromagnetic Relay is perfect for anyone working with PLC systems or needing reliable, compact relays. It’s ideal for professionals and hobbyists who want certified, durable, and easy-to-install components for their projects.

View on Amazon (paid link)
(10pcs) 24V Relays,din Rail,24V Coil dc/ac,Silm,PLC Signal Relay,HF41F/24-ZS 5 Pin 1NO 1NC 6A SPDT with LED Indicator SPDT with Jumper with Socket Base,24 Volt Relay dc,Load MAX 6A 250VAC/30VDC (10pcs) 24V Relays,din Rail,24V Coil dc/ac,Silm,PLC Signal Relay,HF41F/24-ZS 5 Pin 1NO 1NC 6A SPDT with LED Indicator SPDT with Jumper with Socket Base,24 Volt Relay dc,Load MAX 6A 250VAC/30VDC

This 24V relay is perfect for anyone needing reliable control in industrial automation or household appliances. Its slim design and easy replacement make it ideal for tight spaces.

View on Amazon (paid link)
EHDIS Motor Relay 5 Pin 24V Coil 40amp Spdt Model No.: JD2912-1Z-24VDC 40A 28VDC, Contactor Relay Switch Power, Auto Switches & Starters, 5 Pack EHDIS Motor Relay 5 Pin 24V Coil 40amp Spdt Model No.: JD2912-1Z-24VDC 40A 28VDC, Contactor Relay Switch Power, Auto Switches & Starters, 5 Pack

This EHDIS Motor Relay is perfect for car lovers and DIY enthusiasts who need a reliable switch for their automotive projects. It’s great for high-current tasks like trunk pop-ups, remote starts, and lighting.

View on Amazon (paid link)
2PCS Electromagnetic Power Relay, 8-Pin 10A 24 AC Relay Coil with Socket Base, LED Indicator, DPDT 2NO 2NC - MY2NJ 2PCS [Applicable for DIN Rail System] 2PCS Electromagnetic Power Relay, 8-Pin 10A 24 AC Relay Coil with Socket Base, LED Indicator, DPDT 2NO 2NC – MY2NJ 2PCS [Applicable for DIN Rail System]

This 2PCS Electromagnetic Power Relay is perfect for anyone who needs reliable control in home appliances, car starters, or industrial systems. It’s easy to use with a DIN rail system and clear indicators for quick troubleshooting.

View on Amazon (paid link)
EPLZON NT90-DC24V-10X Power Relay DC 24V Coil 24 VDC 30A 40A SPDT(1NO 1NC) with Flange Mounting and 10 Quick Connect Terminals Wires Mini Relay(Pack of 2pcs) EPLZON NT90-DC24V-10X Power Relay DC 24V Coil 24 VDC 30A 40A SPDT(1NO 1NC) with Flange Mounting and 10 Quick Connect Terminals Wires Mini Relay(Pack of 2pcs)

This EPLZON Power Relay is perfect for anyone needing a reliable, easy-to-use solution for controlling motors, appliances, or switches. It’s ideal for projects like table saws, compressors, or air conditioners, offering quick setup and durable performance.

View on Amazon (paid link)
AEDIKO 4pcs Relay Module 24V Relay Board 2 Channel with Optocoupler Support High or Low Level Trigger AEDIKO 4pcs Relay Module 24V Relay Board 2 Channel with Optocoupler Support High or Low Level Trigger

This relay module is perfect for DIY electronics makers, automation hobbyists, and engineers who need a stable, reliable way to control devices with microcontrollers. It’s ideal for anyone building smart projects that demand safe switching and strong performance.

View on Amazon (paid link)

Detailed Reviews

Here are the Best 24V Relays you can trust. Each option is backed by expert analysis and customer feedback for proven performance. Explore this guide to find the perfect relay that fits your needs with confidence.

1. 2PCS Electromagnetic Power Relay, 8-Pin 10A 24 DC Relay Coil with Socket Base, LED Indicator, DPDT 2NO 2NC – MY2NJ 2PCS [Applicable for DIN Rail System]

2PCS Electromagnetic Power Relay, 8-Pin 10A 24 DC Relay Coil with Socket Base, LED Indicator, DPDT 2NO 2NC - MY2NJ 2PCS [Applicable for DIN Rail System]

This 2-piece electromagnetic power relay is a versatile tool for various applications. It works with household appliances and industrial systems. The 8-pin design and 10A capacity make it reliable.

It includes a socket base and LED indicator for easy use. The DPDT 2NO 2NC setup fits DIN rail systems perfectly.

Pros Cons
  • Wide use in home and industrial devices.
  • Easy to install with DIN rail and screws.
  • Clear LED and indicator for quick checks.
  • Strong 10A capacity for reliable performance.
  • No built-in surge protection for sensitive circuits.
  • Limited voltage options (only 24VDC coil).
  • Bulkier size may not fit tight spaces.

Perfect For:

This 2PCS Electromagnetic Power Relay is perfect for anyone who needs reliable control in household or industrial settings. It’s ideal for motors, pumps, and starters, with a clear LED indicator to show when it’s working.

Ready to Purchase?

2. Gebildet 2pcs JD2914 Car Relay Harness 24V 40A 4 Pin SPDT 12AWG Harness Sockets with Built-in Diode for Automotive Truck Van Motorcycle Boat

Gebildet 2pcs JD2914 Car Relay Harness 24V 40A 4 Pin SPDT 12AWG Harness Sockets with Built-in Diode for Automotive Truck Van Motorcycle Boat

The Gebildet 2pcs JD2914 Car Relay Harness is a reliable solution for your vehicle’s electrical needs. It comes with 24V 40A 4-pin SPDT relays and 12AWG harness sockets. These relays are built tough for cars, trucks, motorcycles, and boats.

Each relay has a built-in diode to protect your system from voltage spikes. The color-labeled wires make installation quick and easy. Its small size and low power use ensure it fits seamlessly into your setup.

With high contact voltage and long-lasting durability, this relay harness is a smart choice. It’s brand new and ready to enhance your vehicle’s performance.

Pros Cons
  • Built-in diode protects your parts from voltage spikes.
  • Heavy duty design delivers long-lasting reliable performance.
  • Low power use saves energy while running strong.
  • High sensitivity ensures quick and accurate switching.
  • Durable contacts rated for millions of operations.
  • Only works with 24V, not for 12V systems
  • Bulky wiring may be tricky in tight spaces
  • No waterproofing, not ideal for harsh weather use

Perfect For:

This Gebildet 2pcs JD2914 Car Relay Harness is perfect for anyone who needs reliable and durable relays for their vehicle or boat. It’s ideal for automotive, truck, van, motorcycle, and boat owners looking to protect their electrical systems with built-in diode protection.

Ready to Purchase?

3. irhapsody Relay 24V, 30/40 Amp Waterproof Relay Kit, 5-pin SPDT Automotive Relay, Pack of 5

irhapsody Relay 24V, 30/40 Amp Waterproof Relay Kit, 5-pin SPDT Automotive Relay, Pack of 5

The irhapsody Relay 24V Kit is built tough and reliable. It’s a 5-pack of waterproof, 5-pin SPDT automotive relays.

It’s water-repellent and dustproof. It handles 30A (NC) and 40A (NO). It comes with 7-inch copper wires.

It’s a 24V relay with 12 AWG primary leads and 16 AWG coil leads. It has normally open and normally closed terminals. It’s strong, but always stay 10–15% below rated value.

Pros Cons
  • Waterproof and dustproof design keeps your setup safe and reliable.
  • SPDT relay offers flexible control with both NO and NC terminals.
  • High-quality 12 AWG and 16 AWG wires ensure durable connections.
  • Pack of 5 provides great value for multiple projects or backups.
  • Not fully waterproof, only water-repellent.
  • Size may be too big for some applications.
  • Must stay below rated value to avoid damage.

Perfect For:

This kit is perfect for DIY car builders, mechanics, and anyone who needs a reliable 24V relay for heavy-duty automotive or marine projects. It’s made for people who want strong performance with waterproof protection and clear wiring you can trust.

Ready to Purchase?

4. AEDIKO 4pcs DC 24V Relay Module 1 Channel Relay Board with Optocoupler Isolation Support High or Low Level

AEDIKO 4pcs DC 24V Relay Module 1 Channel Relay Board with Optocoupler Isolation Support High or Low Level

The AEDIKO 4pcs DC 24V Relay Module is a 1-channel relay board with optocoupler isolation. It’s designed for reliable performance in various applications.

This module works with DC 24V and handles high loads up to AC 250V/10A or DC 30V/10A. It features a fault-tolerant design to prevent accidental operation. The optocoupler isolation protects your I/O ports from damage.

The jumper design lets you set high or low signal triggers easily. It includes screw terminals for simple wiring. It’s perfect for ARM, PIC, AVR, MCU, Raspberry Pi, CNC machines, and more.

Pros Cons
  • 24V Relay Module handles high loads with stable performance.
  • Optocoupler Isolation protects I/O ports from damage.
  • Jumper Design lets you switch between high or low signals.
  • Fault-Tolerant Design ensures safety even with broken control lines.
  • Limited to 24V operation, not suitable for lower voltage projects.
  • No built-in protection against reverse polarity or overcurrent.
  • Requires external power supply, not plug-and-play for beginners.

Perfect For:

This AEDIKO 4pcs DC 24V Relay Module is perfect for anyone working with electronics projects or automation systems. It’s ideal for hobbyists, makers, and professionals using ARM, PIC, AVR, MCU, Raspberry Pi, or CNC machines.

Ready to Purchase?

5. ZJWZJH UL Listed 10Pcs Miniature Electromagnetic Relay 24V Coil DC/AC; Signal for PLC; HF41F/24-ZS 1NO 1NC 6Amp SPDT with Jumper, Separator, Din Rail Relay 24V

ZJWZJH UL Listed 10Pcs Miniature Electromagnetic Relay 24V Coil DC/AC; Signal for PLC; HF41F/24-ZS 1NO 1NC 6Amp SPDT with Jumper, Separator, Din Rail Relay 24V

The ZJWZJH Miniature Electromagnetic Relay is UL Listed and certified for safety. It works with 24V AC/DC and handles up to 6A. Its slim design fits tight spaces, making it easy to use.

The plug-and-play socket allows quick replacement, and the DIN rail mounting adds convenience. The package includes everything needed for setup, like jumpers, clips, and screws.

Pros Cons
  • UL Certified for trusted safety and reliability
  • Slim design saves space on DIN rail setups
  • Long life with 10M mechanical cycles
  • Plug-and-play socket for quick replacement
  • Complete kit with relays, rails, and accessories
  • Slim design may be harder to handle
  • Limited voltage range restricts flexibility
  • Plastic build feels less durable

Perfect For:

This ZJWZJH UL Listed 10Pcs Miniature Electromagnetic Relay is perfect for anyone working with PLC systems or needing reliable, compact relays. It’s ideal for professionals and hobbyists who want certified, durable, and easy-to-install components for their projects.

Ready to Purchase?

6. (10pcs) 24V Relays,din Rail,24V Coil dc/ac,Silm,PLC Signal Relay,HF41F/24-ZS 5 Pin 1NO 1NC 6A SPDT with LED Indicator SPDT with Jumper with Socket Base,24 Volt Relay dc,Load MAX 6A 250VAC/30VDC

(10pcs) 24V Relays,din Rail,24V Coil dc/ac,Silm,PLC Signal Relay,HF41F/24-ZS 5 Pin 1NO 1NC 6A SPDT with LED Indicator SPDT with Jumper with Socket Base,24 Volt Relay dc,Load MAX 6A 250VAC/30VDC

This 10pcs 24V Relay set is built for power and precision. Each relay runs on 24V DC/AC input. It handles up to 6A at 250VAC or 30VDC with ease.

The design is slim at just 0.19 inches thick. That makes it simple to replace and install. The LED indicator shows status clearly for quick checks.

Perfect for industrial automation and household appliances. Strong performance, small size.

Pros Cons
  • Slim design saves space and fits anywhere.
  • Easy replace modular build keeps downtime low.
  • Bright LED shows status at a glance.
  • Strong load capacity handles up to 6A safely.
  • Versatile use in industry or home devices.
  • Limited to 24V systems, not suitable for higher voltage needs.
  • No built-in surge protection, may require extra components.
  • Slim design might reduce durability in harsh environments.

Perfect For:

This 24V relay is perfect for anyone needing reliable control in industrial automation or household appliances. Its slim design and easy replacement make it ideal for tight spaces.

Ready to Purchase?

7. EHDIS Motor Relay 5 Pin 24V Coil 40amp Spdt Model No.: JD2912-1Z-24VDC 40A 28VDC, Contactor Relay Switch Power, Auto Switches & Starters, 5 Pack

EHDIS Motor Relay 5 Pin 24V Coil 40amp Spdt Model No.: JD2912-1Z-24VDC 40A 28VDC, Contactor Relay Switch Power, Auto Switches & Starters, 5 Pack

The EHDIS Motor Relay is a 5-pin SPDT switch. It works for normally open or closed setups. This 24V coil relay handles 40A with ease.

It’s great for trunk pop-up, remote start, and lighting. The 5-pin design fits automotive uses. Each pack includes 5 relays.

This relay is reliable and durable. It’s perfect for high-current tasks. Use it for general automotive needs.

Pros Cons
  • Handles high current with 40A coil capacity for tough jobs.
  • Versatile 5-pin SPDT for normally open or closed setups.
  • Perfect for automotive uses like lighting and remote start.
  • 5-pack value for multiple projects or backups.
  • Limited to 24V systems, not compatible with higher voltages.
  • No built-in protection against overloads or short circuits.
  • Bulkier size may not fit tight spaces in vehicle setups.

Perfect For:

This EHDIS Motor Relay is perfect for car lovers and DIY enthusiasts who need a reliable switch for their automotive projects. It’s great for high-current tasks like trunk pop-ups, remote starts, and lighting.

Ready to Purchase?

8. 2PCS Electromagnetic Power Relay, 8-Pin 10A 24 AC Relay Coil with Socket Base, LED Indicator, DPDT 2NO 2NC – MY2NJ 2PCS [Applicable for DIN Rail System]

2PCS Electromagnetic Power Relay, 8-Pin 10A 24 AC Relay Coil with Socket Base, LED Indicator, DPDT 2NO 2NC - MY2NJ 2PCS [Applicable for DIN Rail System]

The MY2NJ Electromagnetic Power Relay is a reliable and versatile solution for various applications. It comes in a 2-piece set with a socket base and DIN rail compatibility. Perfect for household and industrial use.

This relay features a 24VAC coil and handles up to 10A. It includes a red mechanical indicator and LED signal lamp for easy monitoring. Ideal for motors, starters, and circuit breakers.

With its DPDT 2NO 2NC design, it’s easy to install and use. The self-tapping screws ensure a secure fit. A practical choice for any project.

Pros Cons
  • Widely used in homes and industries for reliable control.
  • LED indicator shows power status at a glance.
  • Easy installation with DIN rail and self-tapping screws.
  • High capacity handles 10A for heavy-duty applications.
  • No built-in surge protection for sensitive circuits.
  • Limited voltage options (only 24VAC coil).
  • Bulkier size may not fit all compact spaces.

Perfect For:

This 2PCS Electromagnetic Power Relay is perfect for anyone who needs reliable control in home appliances, car starters, or industrial systems. It’s easy to use with a DIN rail system and clear indicators for quick troubleshooting.

Ready to Purchase?

9. EPLZON NT90-DC24V-10X Power Relay DC 24V Coil 24 VDC 30A 40A SPDT(1NO 1NC) with Flange Mounting and 10 Quick Connect Terminals Wires Mini Relay(Pack of 2pcs)

EPLZON NT90-DC24V-10X Power Relay DC 24V Coil 24 VDC 30A 40A SPDT(1NO 1NC) with Flange Mounting and 10 Quick Connect Terminals Wires Mini Relay(Pack of 2pcs)

The EPLZON NT90-DC24V-10X Power Relay is a reliable and compact solution for your electrical needs. It operates on a DC 24V coil and handles up to 30A SPDT (1NO 1NC) at 240VAC. This relay is easy to install and comes with quick connect terminals for hassle-free setup.

It measures 50 x 27 x 28 mm, making it small yet powerful. The flange mounting ensures a secure fit. It’s ready to use right out of the box, saving you time and effort.

This relay is versatile and works with motors, appliances, and control panels. It’s durable and comes in epoxy sealed versions for extra protection. Each pack includes 2 pieces, offering great value for your projects.

Pros Cons
  • High power handling up to 40A load
  • Compact size fits tight spaces with ease
  • Quick connect terminals for fast setup
  • Versatile use across motors, fans, and appliances
  • Durable build with epoxy sealed option
  • No built-in overheat protection for high-power applications.
  • Limited wire length for flexible installation.
  • Not suitable for extreme weather conditions.

Perfect For:

This EPLZON Power Relay is perfect for anyone needing a reliable, easy-to-use solution for controlling motors, appliances, or switches. It’s ideal for projects like table saws, compressors, or air conditioners, offering quick setup and durable performance.

Ready to Purchase?

10. AEDIKO 4pcs Relay Module 24V Relay Board 2 Channel with Optocoupler Support High or Low Level Trigger

AEDIKO 4pcs Relay Module 24V Relay Board 2 Channel with Optocoupler Support High or Low Level Trigger

The AEDIKO 2 Channel Relay Module 24V is built for reliable control. It supports AC 250V/10A and DC 30V/10A, giving you strong switching power.

Each relay is optically isolated, making triggering stable and safe. Even if the control line fails, the relay stays steady.

Easy to connect. Simple to use. Works with many microcontrollers.

Pros Cons
  • Handles high loads with ease
  • Reliable switching thanks to optocoupler isolation
  • Safe design prevents unwanted relay movement
  • Easy setup with screw terminals and bolt holes
  • Works with many microcontrollers seamlessly
  • Only 24V support, limits flexibility
  • No wireless control, needs wired connection
  • Basic design, lacks advanced smart features

Perfect For:

This relay module is perfect for DIY electronics makers, automation hobbyists, and engineers who need a stable, reliable way to control devices with microcontrollers. It’s ideal for anyone building smart projects that demand safe switching and strong performance.

Ready to Purchase?

Buying Guide

Choosing the best 24V relay should be simple. The right relay makes your system safe, fast, and reliable. It saves you time and keeps your devices running smoothly.

  • Voltage & Current Rating: Always check the coil voltage and contact current capacity. A mismatch can cause failure. Pick a relay that matches your system’s needs.

  • Relay Type: Decide between SPDT, DPDT, or multi-channel relays. SPDT is common for simple switching. DPDT or multi-channel relays handle more complex tasks.

  • Load Capacity: Look at the maximum load rating. High-amp relays are best for motors and heavy appliances. Smaller loads need lighter relays.

  • Durability & Protection: Choose relays with waterproof or dustproof designs if used outdoors. A built-in diode or optocoupler isolation protects against voltage spikes.

  • Mounting Style: Some relays fit DIN rail systems, while others use flange or socket bases. Pick the style that matches your setup for easy installation.

  • Indicator & Feedback: Relays with LED indicators or mechanical flags make troubleshooting faster. You can see status at a glance.

  • Size & Design: Slim relays save space in tight panels. Compact designs are easier to replace and fit into modern systems.

  • Compatibility: Make sure the relay works with your controllers, microcontrollers, or PLCs. Optocoupler isolation helps protect sensitive electronics.

  • Value Pack Options: Buying relays in multi-piece sets saves money. It also ensures you have spares ready when needed.

  • Application Fit: For automotive use, go for waterproof high-amp relays. For industrial automation, DIN rail relays with LED indicators are ideal. For DIY electronics, optocoupler modules are the safest choice.