SKU: 18155982556

BEVRLINK 4 Channel Relay and 4 manual test buttons 12V

Sale price$21.87 Regular price$24.30
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Description

BEVRLINK 4 Channel Relay and 4 manual test buttons 12VOverview 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 12V/2A DC Jack power input and features a 12V 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
  • 12V/2A DC Jack power input (5.5x2.1mm) and a 12V output connector for powering additional boards or loads
  • 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: 12V/2A
  • 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 12V 2A

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 theaters.
  • 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: 18155982556

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4.5 ★★★★★
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Nancy
Dallas, US
★★★★★ 3
Won’t stay in place
Color: Blue, Size: Large
While the leash was nicely made, the lead would not stay in place. The slide to hold the “O” ring in place kept sliding there for the leash would loosen. The padded handle was nice for sure
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Reviewed in the United States on November 1, 2025
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Maegan C.
Lexington, US
★★★★★ 5
Great leash
Color: Blue, Size: Large
Good quality and like the 2nd handle. Go for it!
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Reviewed in the United States on January 18, 2026
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Brandee Martinho
Belleville, US
★★★★★ 5
The dogs loved it! Will buy again.
Style: Squeaky Chicken
My dogs have really enjoyed all the layers to this toy. It squeaks and has a noisy film on the inside of the cloth that they really like. The toy itself is very stiff and rigid but they like that. It’s been about 3 months and they recently broke through the pink layer so it lasts quite a while. It was a challenge for them to get the layer off once they had broken through the stitching so it would keep him occupied for a very long time.
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Reviewed in the United States on January 21, 2026
R
Verified Purchase
Randy C.
Dallas, US
★★★★★ 5
My dog LOVES this, but...
Style: Squeaky Duck
My dog loved this right out of the box, she didn't learn to squeak it for a couple of hours, but she just stopped playing with her other toys, ragged as they may be... My dog is a Manchester/hound dog mix, of some sort, I'm only sure about the Manchester, she resembles them in look, size, weight, and all else. She weighs approximately 20-ish pounds, or so. With that said, like I said, she loves it, so much so that within 16 waking hours after its arrival she brought me the inner squeaker, the body was in the kitchen. :) She tore off the top part of the head and gained access to the squeaker, and EXACTLY as advertised and other reviews, it is a really good squeaky toy, she really doesn't seem to mind that the outer portion is gone, the (seemingly) durable squeaker might actually last. She can still play with the 'body', the toy is made that when (not if) they rip off an appendage, the nentire innards WILL NOT come out. It's a well designed toy in that respect. So, at times she will play with that too, she has brought me the BODY several times too, My dog is a really CRAZY chewer, she is somewhere under a year old and she will chew on anything that she is in front of her, including rocks, a blade of grass as she runs by, furniture legs, window sills, you name it, she has eaten it. She is a problem dog, but we picked her, and we'd do the same if it was our kid, we wouldn't throw them out. :) She has to be watched constantly, that is not the most fun, but, like they say, 'It is what it is'. I mention all of that to show that even though she is a crazy chewer, the rubber portion of the toy is still 'with us', for now, I will update this if anything else develops, and I am sure it will. Oh yeah, I really need to add, I don't think that the makers can make a chew toy 'outer' from anything that will last that long, not unless you go to a rope material, and I did not want that, it can be swallowed and cause more trouble. (Fabric can be swallowed too, but it's at least softer...) So, really, more than likely you can't get any better than this if your dog is a crazy chewer too.
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Reviewed in the United States on July 1, 2023
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Amanda Pike
Fort Morgan, US
★★★★★ 1
Awful Durability
Style: Squeaky Chicken
My dog had this toy for all of 30 minutes an COMPLETELY destroyed it. He is not an aggressive chewer, and has had plenty of rip and reveal toys from Bark Box last WEEKS. I thought I'd try out another brand, but I will be swiftly placing a Bark Box order. I am very disappointed in the durability and quality of this toy thay is supposed to survive non-agressive chewing. If I could give 0 stars, I would have.
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Reviewed in the United States on May 15, 2026

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