Best SPDT Electromagnetic Relays

Looking for the best SPDT electromagnetic relays? We’ve got you covered with a curated list of top-performing options to enhance your projects.

SPDT electromagnetic relays are essential components for control systems and automation projects. They switch circuits reliably, ensuring smooth operation in various applications. Whether for home appliances, industrial machinery, or DIY projects, these relays are versatile and dependable.

Choosing the right relay can save time and effort. Our guide highlights the best SPDT electromagnetic relays, focusing on performance, ease of use, and safety. Discover the perfect fit for your needs and take your projects to the next level.

List of Top 10 SPDT Electromagnetic Relays

Title	Best For	Price
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)
Weasch 10Pcs PCB Power Relay SRD-12VDC-SL-C, DC 12V Coil, 10A 250VAC, SPDT, 5 Pin, for Household Appliance Boards (10)	DIY enthusiasts and household appliance repairers will love these PCB power relays. They’re perfect for controlling small devices like motors, lights, and power supplies.	View on Amazon (paid link)
UL Listed 12 Amp Power Electromagnetic Relay Switch Electromagnetic with Test Button 110V-120V SPDT 1NO 1NC Socket Base with Indicator Light (5 Pin- 12A, AC 110V)	This UL Listed 12 Amp Power Electromagnetic Relay Switch is perfect for anyone needing a reliable, high-performance relay for home automation, industrial control, or DIY projects. Its easy-to-use test button and indicator light make it ideal for quick troubleshooting.	View on Amazon (paid link)
Electromagnetic Relay 5VDC SPDT 6Amp, Power Relays with LED Indicator, Socket Base, DIN Rail, Ultra Thin 6.2mm, UL Certification	This Electromagnetic Relay is perfect for anyone needing a reliable, compact power relay for DIY projects, home automation, or industrial applications. Its slim design, easy installation, and safety features make it ideal for tight spaces and hassle-free use.	View on Amazon (paid link)
UL Listed 2Pcs Electromagnetic Relay for PLC;24V Relay Din Rail; 24VDC and 24VAC Both; SPDT with Push in Socket 6A 250VAC No Screw	This UL Listed 2Pcs Electromagnetic Relay is perfect for anyone using PLC systems or needing reliable 24V relays. It’s ideal for quick, screw-free installation with its push-in socket and DIN rail mounting, making it easy to use in industrial or home automation setups.	View on Amazon (paid link)
uxcell 5 Pcs JQC-3FF-S-Z DC 24V Coil SPDT 5 Pin PCB Electromagnetic Power Relay	This PCB Electromagnetic Power Relay is perfect for anyone working on remote control, communication, or automatic control systems. It’s ideal for small motors, cooling fans, and electronic equipment.	View on Amazon (paid link)
UL Listed Miniature Power Relay 24VDC 24VAC Coil Din Rail Relay 6Amp SPDT 1NO 1NC HF41F/24-ZS Electromagnetic PLC Signal Relay 10Pcs Screw Wiring White	This product is perfect for engineers, DIY builders, and control panel makers who need a slim, safe, and easy-to-wire relay setup. It works great for anyone who wants steady power control in tight spaces.	View on Amazon (paid link)
Electromagnetic Relay 24V DC/ 24V AC SPDT 6A with LED Indicator, Socket Base, DIN Rail, Ultra Thin 6.2mm, UL CE VDE Certification	This Electromagnetic Relay is perfect for anyone needing a reliable, compact, and certified solution for 24V DC/AC systems. It’s ideal for DIY enthusiasts, engineers, or professionals working with DIN rail setups or requiring easy replacement and safety features like finger protection.	View on Amazon (paid link)
uxcell 10Pcs DC 5V Coil SPDT 5 Pin PCB Electromagnetic Power Relay	This PCB Electromagnetic Power Relay is perfect for anyone working on remote control, communication, or automatic control systems. It’s ideal for small projects like lighting lamps, motors, or cooling fans.	View on Amazon (paid link)
shengbowi 10Pcs DIN Rail 24V Relays Electromagnetic Power Coil DC/AC SPDT	This product is perfect for anyone who needs reliable and compact relays for automation, remote control, or power electronics. It’s ideal for projects where space is limited and easy replacement is key.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 SPDT Electromagnetic Relays in this expert-curated guide. Each product is thoroughly reviewed for performance, features, and value, ensuring you find the perfect fit for your needs. Whether you prioritize reliability, affordability, or ease of use, this guide has you covered.

1. 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 UL Listed 10Pcs Miniature Electromagnetic Relay is a compact and reliable solution for your PLC and signal needs. It features a 24V coil that works with both DC and AC power, making it versatile for various applications.

This UL certified relay has a slim design, easy installation, and comes with all necessary accessories for quick setup. Its plug-and-play feature ensures hassle-free replacement and maintenance.

Pros	Cons
UL Listed for safety and reliability. Compact design, just 0.24″ thick, saves space. Plug-and-play for easy installation and replacement. High durability with 10,000,000 mechanical cycles.	No built-in LED indicator for easy status checks. Limited compatibility with higher voltage systems. Plastic construction may feel 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?

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Best 24V PCB Power Relays: Top Picks to Boost Your Projects

2. Weasch 10Pcs PCB Power Relay SRD-12VDC-SL-C, DC 12V Coil, 10A 250VAC, SPDT, 5 Pin, for Household Appliance Boards (10)

The Weasch 10Pcs PCB Power Relay is a reliable component for your household appliance boards. It has a DC 12V coil and can handle 10A 250VAC, making it perfect for various applications.

This relay is easy to use and widely applicable. It’s great for DIY projects and works with small motors, lights, and power supplies.

Pros	Cons
Strong 10A power handling Reliable DC 12V coil Easy 5‑pin setup Great for many DIY projects Works with many control systems	Not for high-power devices, limited to 10A. No mounting hardware included, extra parts needed. Small size may be hard to handle for beginners.

Perfect For:

DIY enthusiasts and household appliance repairers will love these PCB power relays. They’re perfect for controlling small devices like motors, lights, and power supplies.

Ready to Purchase?

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3. UL Listed 12 Amp Power Electromagnetic Relay Switch Electromagnetic with Test Button 110V-120V SPDT 1NO 1NC Socket Base with Indicator Light (5 Pin- 12A, AC 110V)

UL Listed 12 Amp Power Electromagnetic Relay Switch Electromagnetic with Test Button 110V-120V SPDT 1NO 1NC Socket Base with Indicator Light (5 Pin- 12A, AC 110V)

This relay switch is small, strong, and easy to use. It works fast and stays stable. It gives you clear control with simple parts.
The test button lets you change the contact state by hand. The LED light shows AC in red and DC in green.
It comes with a socket, DIN rail, clamps, and screws. It is built for long life and smooth performance.

Pros	Cons
UL Listed for safe, steady use Strong build for long working life Clear LED for quick status checks Easy install with full hardware set High sensitivity for fast, smooth action	No built-in surge protection for sensitive devices. Limited voltage range (110V-120V) for broader applications. Bulkier size may not fit compact setups.

Perfect For:

This UL Listed 12 Amp Power Electromagnetic Relay Switch is perfect for anyone needing a reliable, high-performance relay for home automation, industrial control, or DIY projects. Its easy-to-use test button and indicator light make it ideal for quick troubleshooting.

Ready to Purchase?

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4. Electromagnetic Relay 5VDC SPDT 6Amp, Power Relays with LED Indicator, Socket Base, DIN Rail, Ultra Thin 6.2mm, UL Certification

Electromagnetic Relay 5VDC SPDT 6Amp is a slim, powerful device. It has a 6.2mm ultra-thin design and UL certification. This relay is easy to use and safe.

It comes with a socket base and DIN rail for simple mounting. The LED indicator shows when it’s on or off. This relay is built to last with a long mechanical life.

Pros	Cons
Ultra-thin design at just 6.2mm for space-saving installations. Certified safety with UL, VDE, CSA, and CE approvals. Easy mounting on DIN rail with screw terminals for quick setup. Long-lasting performance with 10 million mechanical cycles.	Limited voltage options for specific applications. No built-in heat protection for high-temp use. Small size may be hard to handle.

Perfect For:

This Electromagnetic Relay is perfect for anyone needing a reliable, compact power relay for DIY projects, home automation, or industrial applications. Its slim design, easy installation, and safety features make it ideal for tight spaces and hassle-free use.

Ready to Purchase?

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5. UL Listed 2Pcs Electromagnetic Relay for PLC;24V Relay Din Rail; 24VDC and 24VAC Both; SPDT with Push in Socket 6A 250VAC No Screw

This UL Listed Electromagnetic Relay is certified and safe for use. It works with both 24V DC and 24V AC power. The slim design fits easily on a DIN rail.

It has a push-in socket for quick wiring. No screws are needed, making installation simple. The SPDT contact handles 6A at 250VAC.

The package includes two relays, sockets, a DIN rail, clips, and screws. It’s ready to use right out of the box. Perfect for PLC systems.

Pros	Cons
UL & VDE Certified for safety and reliability. Push-In Socket for screw-free, easy wiring. Slim Design fits tight spaces on DIN rail. Dual Voltage (24V DC/AC) for universal use.	Slim build may feel fragile in tough setups Push‑in socket can be hard for thick wires Low amp rating limits heavy‑load use

Perfect For:

This UL Listed 2Pcs Electromagnetic Relay is perfect for anyone using PLC systems or needing reliable 24V relays. It’s ideal for quick, screw-free installation with its push-in socket and DIN rail mounting, making it easy to use in industrial or home automation setups.

Ready to Purchase?

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6. uxcell 5 Pcs JQC-3FF-S-Z DC 24V Coil SPDT 5 Pin PCB Electromagnetic Power Relay

The uxcell 5 Pcs JQC-3FF-S-Z is a DC 24V coil SPDT relay designed for PCB applications. It comes in a pack of 5, making it a cost-effective choice for your projects.

This relay features 5 pins, a 15A/125VAC contact capacity, and flame-retardant PC material for durability. Its compact size (19 x 15 x 19mm) and lightweight design (41g) ensure easy installation.

Use it for lighting, motors, or automatic systems. Always keep 28mm spacing between relays to prevent overheating.

Pros	Cons
5-pin SPDT design for versatile control in various applications. Flame-retardant PC material ensures safety and durability. High conductivity with stable resistance for reliable performance. Compact size (19x15x19mm) fits tight spaces effortlessly.	Limited to DC 24V coil voltage, not versatile for all setups. Close installation causes overheating, requires 28mm spacing. No built-in heat protection, manual spacing needed.

Perfect For:

This PCB Electromagnetic Power Relay is perfect for anyone working on remote control, communication, or automatic control systems. It’s ideal for small motors, cooling fans, and electronic equipment.

Ready to Purchase?

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7. UL Listed Miniature Power Relay 24VDC 24VAC Coil Din Rail Relay 6Amp SPDT 1NO 1NC HF41F/24-ZS Electromagnetic PLC Signal Relay 10Pcs Screw Wiring White

UL Listed Miniature Power Relay 24VDC 24VAC Coil Din Rail Relay 6Amp SPDT 1NO 1NC HF41F/24-ZS Electromagnetic PLC Signal Relay 10Pcs Screw Wiring White

This UL Listed Miniature Power Relay is compact and efficient, perfect for tight spaces. It works with both 24VDC and 24VAC systems, making it versatile. The SPDT 1NO 1NC design handles up to 6 amps easily.

It’s certified by UL, VDE, and CE, ensuring safety and reliability. The slim 5mm width and DIN rail mounting make installation simple and secure.

The white socket includes screw terminals and finger protection. The plug-and-play design allows for easy replacement, saving time and effort.

Pros	Cons
UL certified for safe, trusted use Slim design fits tight control panels Strong 6A contact rating Easy plug-and-play relay swap Wide voltage AC/DC 24V support	Limited current rating at 6A may not suit high-power needs. No built-in LED indicator for quick status checks. Plastic construction may feel less durable than metal options.

Perfect For:

This product is perfect for engineers, DIY builders, and control panel makers who need a slim, safe, and easy-to-wire relay setup. It works great for anyone who wants steady power control in tight spaces.

Ready to Purchase?

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8. Electromagnetic Relay 24V DC/ 24V AC SPDT 6A with LED Indicator, Socket Base, DIN Rail, Ultra Thin 6.2mm, UL CE VDE Certification

This ultra thin relay gives you strong power in a small size. It is only 6.2mm thick and built with trusted UL, CE, and VDE certifications.

It runs on 24V DC or AC. It has 1NO/1NC contacts. It handles 6A with ease. It lasts a long time.

The socket base mounts on a DIN rail and has safe screw terminals. The LED indicator makes checks fast and simple. You get the relay, socket, rail, and screws in one clear set.

Pros	Cons
Ultra-thin 6.2mm design saves space in tight setups. Certified for safety with UL, CE, and VDE approvals. Easy plug-and-play replacement for hassle-free maintenance. Durable with 10 million mechanical cycles and 300,000 electrical cycles.	No built-in surge protection for sensitive circuits. Limited contact rating (6A) for heavy-duty applications. Plastic construction may not suit harsh environments.

Perfect For:

This Electromagnetic Relay is perfect for anyone needing a reliable, compact, and certified solution for 24V DC/AC systems. It’s ideal for DIY enthusiasts, engineers, or professionals working with DIN rail setups or requiring easy replacement and safety features like finger protection.

Ready to Purchase?

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9. uxcell 10Pcs DC 5V Coil SPDT 5 Pin PCB Electromagnetic Power Relay

Powerful and compact, the uxcell PCB Electromagnetic Power Relay is a reliable solution for your projects. With a 5V coil, it offers efficient performance in a small package.

This 10-piece set features a flame-retardant design, ensuring safety and durability. The SPDT contact and 5 pins make it versatile for various applications.

Widely used in remote control, communication, and automatic systems, these relays are easy to install. Keep a safe distance between relays to prevent overheating.

Pros	Cons
Compact design, easy to install in tight spaces. High strength, flame-retardant material for safety. Stable performance with good conductivity and less heat. Versatile use in remote control, communication, and automatic systems.	Close spacing causes high heating, needs 37mm gap. No built-in heat protection for high-temp use. Small size limits heavy-duty applications.

Perfect For:

This PCB Electromagnetic Power Relay is perfect for anyone working on remote control, communication, or automatic control systems. It’s ideal for small projects like lighting lamps, motors, or cooling fans.

Ready to Purchase?

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10. shengbowi 10Pcs DIN Rail 24V Relays Electromagnetic Power Coil DC/AC SPDT

This set gives you 10 slim relays with rails and plates that make setup fast and neat. Each piece is light, thin, and easy to swap when needed.

They fit tight spaces. They run cool. They show clear LED status.

Use these relays for control, automation, and simple signal tasks. They offer strong contact power and long life for steady use.

Pros	Cons
10 relays in one pack for great value. Easy to replace with plug-and-play design. LED status for quick, hassle-free checks. Slim size, stacks easily for space-saving setups.	No mounting hardware included, extra purchase needed. Limited load capacity (6A max) for heavy-duty use. No built-in surge protection, external protection required.

Perfect For:

This product is perfect for anyone who needs reliable and compact relays for automation, remote control, or power electronics. It’s ideal for projects where space is limited and easy replacement is key.

Ready to Purchase?

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Buying Guide

SPDT electromagnetic relays are key tools for control systems and DIY projects. They switch circuits with ease, making your work smooth and reliable. Picking the right relay saves time and boosts your project’s performance.

Engaging Experience:
Choosing the perfect SPDT relay is like finding a trusted partner for your projects. It ensures safety, efficiency, and longevity. Let’s explore the factors to make your choice effortless.

Factors to Consider When Buying:
– Voltage Compatibility: Ensure the relay’s coil voltage matches your system’s power supply. Common options include 5V, 12V, and 24V.
– Current Rating: Check the relay’s current capacity to handle your load. Higher amps mean more power handling.
– Certification: Look for UL, CE, or VDE certifications to ensure safety and quality.
– Mounting Options: Choose between PCB, DIN rail, or socket base mounting for easy installation.
– Size and Design: Opt for compact or ultra-thin designs if space is limited.
– Indicator Lights: LED indicators help monitor the relay’s status at a glance.
– Durability: Select relays with flame-retardant materials and long mechanical life for reliability.
– Accessories Included: Some relays come with sockets, screws, or DIN rails, saving time and effort.
– Application: Match the relay to your needs, whether for PLC systems, household appliances, or DIY projects.