SKU: 16111411771

BEVRLINK 4 Channel Relay with 4 manual test buttons 24V

Sale price$21.87 Regular price$24.30
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Description

BEVRLINK 4 Channel Relay with 4 manual test buttons 24VOverview The BEVRLink relay module is a user friendly solution suitable for users of all levels of experience. With clear documentation and easy setup, this module is perfect for beginners. It features 4 relay channels and 4 voltage free input channels, each equipped with a button for convenient testing. The inputs can be connected without external power, and the module can send interrupts to a manager (e. g., Raspberry Pi) on input change. The

Overview

The BEVRLink relay module is a user-friendly solution suitable for users of all levels of experience. With clear documentation and easy setup, this module is perfect for beginners. It features 4 relay channels and 4 voltage-free input channels, each equipped with a button for convenient testing. The inputs can be connected without external power, and the module can send interrupts to a manager (e.g., Raspberry Pi) on input change. The onboard LEDs indicate relay status for easy monitoring. The BEVRLink relay module offers a standard rail mount bottom case, selectable I2C address, and an optional I2C 4.7K pull-up, making it simple to set up and use. Whether you're a beginner or an experienced user, the BEVRLink relay module is an ideal choice for controlling relays and inputs in your system.

Just connect the button to the input and ground, no extra power is required. Or connect the transistor outputs from sensors and digital switches. A 5V 5mA is flowing out the input connector to sense if there is a short to ground or not, this is called wetting current in the industry.

A button on each input allows for quick and easy test or usage of the inputs in your system.

The 4-Channel Relay Board is a versatile and compact solution for controlling high-power devices from a low-power microcontroller or switch. With 4 high-quality relays, this board can switch up to 5A 250V AC or 5A 30V DC loads, making it suitable for a wide range of applications. The board is powered by a 24V/1A DC Jack power input and features a 24V output connector for powering additional boards or loads.

Relay Features

  • 4 high-quality relays with SPDT-NO, NC contact form
  • Voltage-free inputs that can be triggered by NPN transistors, switches, or relays without external power
  • 24V/1A DC Jack power input 5.5x2.1mm
  • Onboard LEDs to indicate relay and power status
  • Manager and expansion connector providing 5V/3.3A power and compatibility with Raspberry Pi and additional modules
  • Spring clamp terminal block connectors for easy input and output connections
  • Selectable I2C addresses (0x38-0x3F) and optional 4.7K pull-up
  • Dimensions: 118.87 mm x 72 mm with M3 mounting hole size

Relay Features

  • Each relay uses only 15mA when active and is supplied directly from the power input
  • High-quality relays for reliable performance
  • Suitable for switching loads up to 5A 250V AC or 5A 30V DC

Input features

  • 4 voltage-free inputs for triggering the relays
  • Buttons on each input for quick and easy testing
  • Ability to send interrupts to a manager (e.g., Raspberry Pi) on input change

Specifications

  • Power supply voltage: 24V/1A
  • Relay channels: 4
  • Voltage-free input channels: 4
  • Input wetting current: 5mA (5V)
  • Connector: Spring clamp terminal block
  • Dimension: 118.87 mm x 72 mm
  • Mounting hole size: M3
  • I2C Address: 0x38-0x3F (user selectable)
  • I2C 4.7K optional pull-up
  • 3.3A available for manager (Raspberry Pi) + additional modules

Compatible Accessories

BEVRLink Din Rail clip
(compatible with the case but not directly the board)

BEVRLink 4 Channel Relay Case

BEVRLink Power Supply 24V 1A

Examples and Guides

How To Expand With More Relay Boards & How To Address

How to wire directly between the relay and single board computer/microcontroller


Inputs and outputs

I2C address selector

Examples of how to get started

Dimensions

Download 3D Model here


Example of applications

  • Home Automation: The 4 Channel Relay Board can be used to control lights, fans, or other appliances in a smart home setup.
  • Industrial Control: The board's high-power relays can be used to control machinery or process equipment in an industrial setting.
  • Robotics: The board can be used to control motors, actuators, or other devices in a robotics system.
  • Lighting Control: The board can be used to switch on/off lights or dim them in stages, making it ideal for lighting control in buildings, hotels, and theatres.
  • Agriculture: The board can be used to control irrigation systems, pumps, or other equipment in agriculture applications.
  • HVAC: The board can be used to control heating, ventilation, and air conditioning systems in commercial or residential buildings.
  • Security Systems: The board can be used to control alarms, cameras, or other security devices in a surveillance system.
  • Laboratory Equipment: The board can be used to control power to various experiments or laboratory equipment.
  • Amusement Rides: The board can be used to control motors, actuators, or other devices in amusement park rides.
  • Medical Equipment: The board can be used to control various devices in medical equipment, such as dialysis machines or patient monitors.

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 16111411771

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Rebecca Olmos
Omaha, US
★★★★★ 3
Mid.
Color: Light Purple
The chair is fine, and reasonably easy to put together. However, I've been using it for a little over a year and a half, and it's already falling apart. Random parts of it have fallen off, which is fine because it was still functional. But now the most frustrating part is that the wheels continue to pop off, and while the first attempts to pop them back on worked, they will not stay on now. This is obviously greatly impacting the stability, and I will need to purchase a replacement soon. For this price and lack of long-term durability, I would not buy again.
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Reviewed in the United States on January 4, 2026
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Bridgett Kelly Rode
Lexington, US
★★★★★ 5
Alexa messed me up, but the company of the chair made it right!
Color: Light Purple, Color: Light Purple
I wanted something small with arms that moved out of the way when I wanted to slide my chair all the way into my desk for more space. This fit the bill. I loved the color blue and I had that in my cart for a bit. One day Alexa mentioned that an item that was in my cart was on sale. It was the chair. I let it be ordered. When it came it didn't exactly look blue to me. But I kept putting it together thinking maybe it was the lighting in the room I was assembling it in. I brought it to my craft room and lo and behold it is light purple. I looked at my order and sure enough it said light purple. Boo! I looked in my saved cart and the chair was gone. So I accepted it for an error. The next day I checked to see if I could return it. Thought I could, till I read that I would have to pay to return it. So I wrote the seller to tell them to ignore the return. And that was that. Till a couple days later I get an email from the seller asking if I would like a full refund or a replacement at no cost. I was like heck yeah send me the blue one. I was thrilled and I wanted to thank the seller for doing this without the return of the other chair. But I could not find a place to do that now. So here is where I will thank you. Thank you so much for doing this for me. You guys are AWESOME!. I love the chair and I love the blue color. I find it very comfortable, lite, easy to adjust, the size works great for me, and for the price the quality fits my needs. I do hope it lasts me for quite some time. Thanks again!
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Reviewed in the United States on January 9, 2026
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Steve in Florida
Dallas, US
★★★★★ 5
Awesome chair definitely recommend
Color: Blue, Color: Blue
It was amazing the color was spot on and it was very very easy to put together and the size is amazing for my 11 year old daughter maybe not for an older person it doesn’t recline as much as it says so if you want a reclining chair maybe I don’t recommend this chair but the quality is amazing and the adjustment capability is incredible the noise level is at 0 it is an amazing chair we just got it so I don’t know so much about the dupability so if you want this chair for a child or a tween maybe even a teen easy to put together beautiful blue color this is the chair for you.
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Reviewed in the United States on March 21, 2026
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Rocky hardcore
Massapequa, US
★★★★★ 5
Easy instructions, comfortable cushions
Color: Pink
I just put it together and I love it!!! It's so comfortable and it was easy to put together. You can rock it back and forth which helps your back. The seat is very wide and the cushion is thick. Pink is my favorite color, and this chair satisfies my pink obsession.
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Reviewed in the United States on May 16, 2026
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LA Living
Battle Creek, US
★★★★★ 5
Wonderful chair
Color: Dark Black
I bought this office chair as a sewing tool, you might say. I felt that having an office chair on wheels would get me from the sewing machine to the ironing board and then to the cutting board and back to the sewing machine. I was having to get up and down to get around to all these places before and this saves me so much time and effort. I’m 71 so when the box came I was hesitant to try to bust into it and put it together but it went together so easily. It’s very comfortable and the lumbar support feels great on my low back. When I first sat down after the assembly process, the chair cushion tipped down in the front but after contacting the support team I was advised to tighten the tilt tension located under the chair and that fixed me right up! All and all, my chair is the perfect addition to my sewing area at a very affordable price. I couldn’t be happier!
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Reviewed in the United States on December 31, 2024

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