Looking for the best power supplies with relay output boards? We’ve compiled a list of 10 top options to help you find the perfect match for your home automation or DIY projects.
Power supplies with relay output boards are essential for controlling devices in home automation and DIY projects. These tools make it easy to manage power and switch devices on or off. Whether you’re a beginner or a pro, these boards offer reliability and flexibility.
They work with Arduino, Raspberry Pi, and other systems, making them versatile for various projects. From smart homes to security systems, these boards simplify complex tasks.
With easy installation and durable designs, these power supplies ensure your projects run smoothly. Explore our guide to find the perfect match for your needs and start building with confidence.
List of Top 10 Power Supplies with Relay Output Boards
| Image | Title | Best For | Price |
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Schlage Electronics PS902-2RS Class 2 Power Supply with 2 Relay Output Board |
The Schlage Electronics PS902-2RS is perfect for anyone needing a reliable power supply with 2 relay outputs. It’s ideal for home improvement projects or security systems. |
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AC/DC Power Supply ESP32 Development Board Programmable Development Board Wireless WiFi 8 Way Channel 5V Relay Module ESP32-WROOM-32E for Arduino |
This ESP32 development board is perfect for makers, hobbyists, and developers who want to build smart home projects or control devices wirelessly. It’s easy to use and great for learning or creating custom solutions. |
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ACEIRMC 5V 16-Channel Relay Interface Board Module Optocoupler LED LM2576 Power for Arduino DIY Kit PiC ARM AVR (2pcs) |
This 16-channel relay board is perfect for DIY makers and hobbyists who want to control high-power devices with microcontrollers like Arduino, PIC, or ARM. It’s easy to use and protects your projects with optocoupler isolation. |
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Seco-Larm PD-4BTQ Enforcer Access Power Controller Board; 4 Outputs; for 12/24 VAC/VDC Operation; Each Output Individually Fused; Individual Status LEDs; Dry and Wet Trigger Inputs |
The Seco-Larm PD-4BTQ Enforcer Access Power Controller Board is perfect for anyone needing reliable access control. It’s ideal for systems using 12/24 VAC/VDC power and works great with ENFORCER power supplies. |
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Altronix ACM Series Access Power Controllers with 8 Fused Outputs Power Supply/Chargers, 12/24 VDC, 4/3 Amps (Pack of 1) |
The Altronix ACM Series is perfect for anyone needing reliable power control for security systems. It’s ideal for professionals who want safe, efficient, and protected power solutions. |
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Von Duprin 900-2RS Control Board for Use with PS902, PS904, PS906 and PS914 Power Supplies; 12 VDC, 24 VDC, 9.6 to 13.2 VDC, 19.2 to 26.4 VDC; Universal 120-240V AC |
The Von Duprin 900-2RS Control Board is perfect for anyone using PS902, PS904, PS906, or PS914 Power Supplies. It’s ideal for single or pair door setups needing reliable power control. |
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DORHEA ESP32 WiFi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board for Arduino Smart Home Wireless Control |
This ESP32 WiFi 4 Channel Relay Module is perfect for DIY enthusiasts and smart home builders. It’s easy to use and great for wireless control projects. |
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JESSINIE 2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board with Anti-Reverse Connection Protection RS485 TTL Communication |
This JESSINIE Relay Module is perfect for anyone needing reliable, remote control of devices. It’s ideal for home automation, industrial systems, or DIY projects where stable communication and protection are key. |
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DORHEA 2Pcs ESP32 WiFi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board for Arduino Smart Home Wireless Control |
This product is perfect for DIY enthusiasts and makers who want to control devices wirelessly. It’s great for smart home projects or automation tasks. |
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Iot Relay – Enclosed High-power Power Relay for Arduino, Raspberry Pi, PIC or Wifi, Relay Shield, Automatic |
This Iot Relay is perfect for anyone who needs safe, reliable power control for their Arduino, Raspberry Pi, or other microcontroller projects. It’s fully assembled and ready to use, making it ideal for beginners and experts alike. |
Detailed Reviews
Discover the top 10 Power Supplies with Relay Output Boards, carefully selected for reliability, performance, and value. Each product is expert-reviewed and backed by customer feedback, ensuring you find the perfect fit for your needs. Whether you’re a DIY enthusiast or a professional, this guide simplifies your choice with clear, easy-to-read insights. Dive in to find the best solution for your projects!
1. Schlage Electronics PS902-2RS Class 2 Power Supply with 2 Relay Output Board

The Schlage Electronics PS902-2RS is a Class 2 Power Supply designed for reliable performance. It comes with a 2 Relay Output Board, making it a versatile choice for home improvement projects.
This power supply is easy to install and built to last. Its gray baked-enamel finish adds a professional look to any setup.
With a 2 AMP DC size, it’s perfect for small to medium applications. Trust the SCHLAGE brand for quality and durability.
| Pros | Cons |
|---|---|
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Perfect For:
The Schlage Electronics PS902-2RS is perfect for anyone needing a reliable power supply with 2 relay outputs. It’s ideal for home improvement projects or security systems.
Ready to Purchase?
2. AC/DC Power Supply ESP32 Development Board Programmable Development Board Wireless WiFi 8 Way Channel 5V Relay Module ESP32-WROOM-32E for Arduino

The ESP32 Development Board is a programmable relay module with 8 channels. It’s perfect for smart home projects. Use it to control devices easily.
This board has an ESP32-WROOM-32E module with 4M Byte Flash. It works with AC 250V and DC 30V loads. All I/O ports are ready for your projects.
The board includes programmable buttons and LED lights. It’s great for secondary development. Start building your smart home today!
| Pros | Cons |
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Perfect For:
This ESP32 development board is perfect for makers, hobbyists, and developers who want to build smart home projects or control devices wirelessly. It’s easy to use and great for learning or creating custom solutions.
Ready to Purchase?
3. ACEIRMC 5V 16-Channel Relay Interface Board Module Optocoupler LED LM2576 Power for Arduino DIY Kit PiC ARM AVR (2pcs)

The ACEIRMC 5V 16-Channel Relay Interface Board is a powerful tool for DIY projects. It works with Arduino, PiC, ARM, and AVR systems. Each channel needs 15-20mA to operate.
It has a high-current relay that handles AC250V 10A and DC30V 12A. The control signal is simple: 0-2V for low and up to 5V for high.
This board is easy to use with its standard interface. It includes optocoupler protection and LM2576 power. Perfect for DIY kits and microcontroller projects.
| Pros | Cons |
|---|---|
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Perfect For:
This 16-channel relay board is perfect for DIY makers and hobbyists who want to control high-power devices with microcontrollers like Arduino, PIC, or ARM. It’s easy to use and protects your projects with optocoupler isolation.
Ready to Purchase?
4. Seco-Larm PD-4BTQ Enforcer Access Power Controller Board; 4 Outputs; for 12/24 VAC/VDC Operation; Each Output Individually Fused; Individual Status LEDs; Dry and Wet Trigger Inputs

The Seco-Larm PD-4BTQ Enforcer Access Power Controller Board is a reliable and versatile solution for managing access control systems. It works with 12/24 VAC/VDC power sources, making it compatible with various setups. This board is designed to handle multiple outputs with precision and safety.
It has four outputs, each individually fused and controlled. These outputs can work in fail-safe or fail-secure modes. The board also features dry and wet trigger inputs for flexible operation.
With individual status LEDs and an auxiliary interface, monitoring and managing the system is easy. The board is compatible with ENFORCER Access Control Power Supplies, ensuring seamless integration. It’s a smart choice for secure and efficient access control.
| Pros | Cons |
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Perfect For:
The Seco-Larm PD-4BTQ Enforcer Access Power Controller Board is perfect for anyone needing reliable access control. It’s ideal for systems using 12/24 VAC/VDC power and works great with ENFORCER power supplies.
Ready to Purchase?
5. Altronix ACM Series Access Power Controllers with 8 Fused Outputs Power Supply/Chargers, 12/24 VDC, 4/3 Amps (Pack of 1)

The Altronix ACM Series Access Power Controllers offer reliable power management for your security systems. With 8 fused outputs, this unit provides 12/24 VDC and 4/3 amps, ensuring stable power distribution.
It features fire alarm disconnect, short circuit protection, and thermal overload protection. The filtered and regulated outputs guarantee clean power, while the alarm output relay alerts you to FACP input triggers. Plus, it comes with a lifetime warranty for peace of mind.
| Pros | Cons |
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Perfect For:
The Altronix ACM Series is perfect for anyone needing reliable power control for security systems. It’s ideal for professionals who want safe, efficient, and protected power solutions.
Ready to Purchase?
6. Von Duprin 900-2RS Control Board for Use with PS902, PS904, PS906 and PS914 Power Supplies; 12 VDC, 24 VDC, 9.6 to 13.2 VDC, 19.2 to 26.4 VDC; Universal 120-240V AC

The Von Duprin 900-2RS Control Board is a reliable solution for your power supply needs. It works with PS902, PS904, PS906, and PS914 models, making it a versatile choice. This board ensures smooth operation for your door systems.
With its relay option, you can control single or paired doors with ease. The polarized connector adds a layer of safety and efficiency. It’s designed for individual or sequential use, giving you flexibility.
This control board supports multiple voltage ranges, including 12 VDC, 24 VDC, and more. It also has a universal AC input, making it compatible worldwide. A fused primary input ensures safe and reliable performance.
| Pros | Cons |
|---|---|
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Perfect For:
The Von Duprin 900-2RS Control Board is perfect for anyone using PS902, PS904, PS906, or PS914 Power Supplies. It’s ideal for single or pair door setups needing reliable power control.
Ready to Purchase?
7. DORHEA ESP32 WiFi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board for Arduino Smart Home Wireless Control

The DORHEA ESP32 WiFi 4 Channel Relay Module is a powerful tool for smart home projects. It lets you control devices wirelessly using WiFi.
This board works with AC and DC power, making it versatile for many uses. It includes a programmable button and LED indicators for easy setup.
Simple to use, ready for upgrades, and perfect for DIY projects.
| Pros | Cons |
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Perfect For:
This ESP32 WiFi 4 Channel Relay Module is perfect for DIY enthusiasts and smart home builders. It’s easy to use and great for wireless control projects.
Ready to Purchase?
8. JESSINIE 2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board with Anti-Reverse Connection Protection RS485 TTL Communication

The JESSINIE 2Pcs 1 Channel Switch Relay Module is a reliable and versatile solution for switching input and output relays. It comes with anti-reverse connection protection for added safety.
It features a stable 8-bit MCU and MAX485 level conversion chips for smooth operation. The relay switch signal supports manual, flash-off, and flash-off modes. It has a 5V, 10A/250V AC relay with diode protection for durability.
The module supports Modbus RTU protocol and RS485/TTL UART interfaces. It works with DC7-24V power supply and includes power failure storage. The optocoupler input handles DC3.3-30V for flexible use.
| Pros | Cons |
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Perfect For:
This JESSINIE Relay Module is perfect for anyone needing reliable, remote control of devices. It’s ideal for home automation, industrial systems, or DIY projects where stable communication and protection are key.
Ready to Purchase?
9. DORHEA 2Pcs ESP32 WiFi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board for Arduino Smart Home Wireless Control

The DORHEA ESP32 WiFi 4 Channel Relay Module is a powerful tool for smart home projects. It lets you control devices wirelessly using WiFi. The ESP32-WROOM-32E module ensures stable connectivity.
This board works with AC and DC power, making it versatile. It has 4 relay channels to switch multiple devices. A programmable button and LED indicator add convenience.
Perfect for Arduino enthusiasts, it supports secondary development. The UART port allows easy programming. Ideal for wireless control in home automation.
| Pros | Cons |
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Perfect For:
This product is perfect for DIY enthusiasts and makers who want to control devices wirelessly. It’s great for smart home projects or automation tasks.
Ready to Purchase?
10. Iot Relay – Enclosed High-power Power Relay for Arduino, Raspberry Pi, PIC or Wifi, Relay Shield, Automatic

The Iot Relay is a high-power relay designed for safe and reliable power control. It works with Arduino, Raspberry Pi, PIC, or Wifi devices.
It has one circuit with 4 outlets: 2 normally closed (NC) and 2 normally open (NO). It replaces a relay board and comes fully assembled.
It includes surge suppression, debounce, and a safety breaker. It’s ready to use right out of the box.
| Pros | Cons |
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Perfect For:
This Iot Relay is perfect for anyone who needs safe, reliable power control for their Arduino, Raspberry Pi, or other microcontroller projects. It’s fully assembled and ready to use, making it ideal for beginners and experts alike.
Ready to Purchase?
Buying Guide
Power supplies with relay output boards are essential tools for home automation and DIY projects. They help you control devices easily and reliably.
When choosing the best power supply with relay output board, consider these key factors:
- Compatibility: Ensure the board works with your system, like Arduino, Raspberry Pi, or other platforms.
- Power Requirements: Check the voltage and current ratings to match your project needs.
- Number of Channels: Choose the right number of relay channels for your devices.
- Ease of Installation: Look for boards with simple setup and clear instructions.
- Durability: Opt for high-quality materials and sturdy designs for long-lasting use.
- Safety Features: Prioritize boards with surge protection, fuses, or optocoupler isolation.
- Versatility: Select boards that work with both AC and DC power for flexibility.
- Brand Reputation: Trust reliable brands known for quality and performance.
With these factors in mind, you’ll find the perfect power supply with relay output board for your projects. Start building with confidence and ease!