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Iot Relay - Enclosed High-Power Power Relay for Arduino, Raspberry Pi, PIC or WiFi, Relay Shield

4.7 out of 5 stars 1,400 ratings
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Purchase options and add-ons

Connector type Through Hole
Contact material Silver, Copper, Or Alloy
Contact type SPDT (Normally Open, Normally Closed)
Mounting type PCB Mount
Brand Digital Loggers

About this item

  • Safe, Reliable Power Control
  • One circuit, 4 outlets, 2x NC, 2x NO
  • Wires to your Arduino, Raspberry Pi, PIC, or other micro
  • Takes the place of a relay board. Fully assembled and ready to use.
  • Includes surge supression, debounce, safety breaker
› See more product details

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Product information

Technical Details

Brand ‎Digital Loggers
Manufacturer ‎DLI
Model ‎IoT
Part Number ‎IoT
Color Screen ‎No
Output Wattage ‎1440 Watts
Wattage ‎5E+3
Power source type ‎Ac 120vac Only
Batteries included ‎No
Batteries Required ‎No
Connector Type ‎wi-fi
Mounting type ‎PCB Mount
Includes rechargable battery ‎No
Includes Remote ‎No
Manufacturer ‎DLI
Item model number ‎IoT
Parcel Dimensions ‎19.9 x 12.7 x 7.4 cm; 510 g
ASIN ‎B00WV7GMA2

Additional Information

Date First Available May 20 2015
Customer Reviews
4.7 out of 5 stars 1,400 ratings

4.7 out of 5 stars
鶹 Rank
Is discontinued by manufacturer No

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Iot Relay - Enclosed High-Power Power Relay for Arduino, Raspberry Pi, PIC or WiFi, Relay Shield

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Product description

Do you want to control a standard wall outlet device with your microcontroller, but don’t want to mess with the high-voltage wiring? The IoT Power Relay is a controllable power relay equipped with four outputs that help you create an Internet of Things project with safe, reliable power control. With the IoT Power Relay you can easily control the power going to a device with an Arduino, Raspberry Pi or other single-board computer or microcontroller. It provides an alternative to the Power Switch Tail.

The IoT Power Relay is designed to allow you to safely control an outlet device that operates at 3–48VDC or 12–120VAC. Each IoT Power Relay features a single input (from the included C13 power cable) to four outputs: one normally on, one always on, and two normally off. The durable SPDT control relay is rated at 30/40A, for 400,000 operations.

Includes:
- 1x IoT Power Relay v2
- 1x C13 Power Cable

Features:
- Universal control voltage 3-60VDC or 12-120VAC
- A single input signal switches four outlets: one normally on, one always on, two normally off.
- Optical isolation, relay hysteresis and de-bounce protection add safety.
- A large MOV clamps surges for clean 90-140VAC power.
- The durable SPDT control relay is rated at 30/40A, >400,000 operations at 12A or 2 million+ operations at 5A.
- A 12A thermal safety circuit breaker switch prevents overloads.
- Mounting tab with two screw holes

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Iot Relay - Enclosed High-Power Power Relay for Arduino, Raspberry Pi, PIC or WiFi, Relay Shield
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Price$78.95$10.99-16%$8.28
Was: $9.88		-9%$14.16
Was: $15.53		$12.99
Delivery
Get it by Tuesday, Jun 24
Get it by Tuesday, Jun 24
Get it Jul 15 - Aug 6
Get it by Wednesday, Jun 25
Get it by Tuesday, Jun 24
Customer ratings
4.74.7 out of 5 stars1,400
4.64.6 out of 5 stars457
4.34.3 out of 5 stars73
5.05.0 out of 5 stars2
4.64.6 out of 5 stars425
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Customer reviews

4.7 out of 5 stars
1,400 global ratings

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Customers say

Customers like the functionality, build quality, and ease of use of the relay. They mention it works great to switch remote power amps for their 5.1 home theatre, is well-made, and seems reliable.

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FunctionalityBuild qualityEase of use
27 customers mention "Functionality"27 positive0 negative

Customers like the functionality of the relay. They mention it works great to switch remote power amps for their 5.1 home theatre and has multiple outlets. Customers also say it's a handy little device for controlling main power devices safely.

"...It works perfectly. I only had to buy an mono plug that fit my receiver and connect the other end to this unit...." Read more

"...It is easy to wire up to B&O equipment, and then works very well, the DC trigger voltage being well within the range for the Iot...." Read more

"I have 3 of those now. So useful. I use them to turn on/off all my sound systems in the house...." Read more

"Works great to switch remote power amps for my 5.1 home theatre. Using a DC trigger from my Marantz pre-pro." Read more

7 customers mention "Build quality"7 positive0 negative

Customers like the build quality of the relay. They mention it's well-made and seems reliable.

"...Seems reliable, but I've only had it a few months. It is solidly built and was well packaged. I'd recommend if you have a similar need." Read more

"...] Well priced, delivered quickly, solid construction. I’m very pleased with this switcher...." Read more

"...So far so it's been reliable and is a great solution." Read more

"...It is very well built." Read more

4 customers mention "Ease of use"4 positive0 negative

Customers like the ease of use of the relay. They mention it's very easy to set up and wire up to B&O equipment.

"...It is easy to wire up to B&O equipment, and then works very well, the DC trigger voltage being well within the range for the Iot...." Read more

"...Fantastic, and easy to do. Except for the triggering input, this device is plug and play and does both “normally off” and “normally on” circuits...." Read more

"very easy to set up...." Read more

Just what I needed to manage shore and battery power in my motor home.
5 out of 5 stars
Just what I needed to manage shore and battery power in my motor home.
Well priced, delivered quickly, solid construction. I’m very pleased with this switcher. I recently installed an inverter in my RV to enable me to run some 120v items in the RV when on the road or not plugged into shore power. When switching on the inverter, I had to open the dinette seat to get access to and unplug or turn off the RV converter/charger (they should not run together). With this switcher I have a 6 volt wall wort adapter that is plugged into a spare outlet on my inverter to trigger this switcher. When I turn on the inverter (via its wall mounted control), this switcher senses the inverter power coming on , via the adapter, and automatically turns off the converter/charger unit. I have the converter / charger plugged into the “normally on” outlet. When I switch the inverter back off, the voltage from the adapter drops and this switcher turns the converter/charger back on. Fantastic, and easy to do. Except for the triggering input, this device is plug and play and does both “normally off” and “normally on” circuits. I was going to built one myself but this Unit did the trick and for a reasonable price. This makes managing these two 120v devices a one button operation.
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Top reviews from Canada

  • ER
    5.0 out of 5 stars Perfect for fan control home audio
    Reviewed in Canada on April 1, 2024
    Verified Purchase
    I bought this to control the fans on my home theatre to be triggered by the 12v out on my receiver. It works perfectly. I only had to buy an mono plug that fit my receiver and connect the other end to this unit. The connector is a bit small, but it doesn't use a lot of current and works well. When my receiver switches on, it powers up the fan controllers that are plugged into it. It also as an always on and a plug that is reversed so that its off when my receiver is on and on when my receiver is off - I don't use that one, but its great to have the flexibility! Seems reliable, but I've only had it a few months. It is solidly built and was well packaged. I'd recommend if you have a similar need.
    Helpful
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  • An amazon customer
    5.0 out of 5 stars Works well for Bang and Olufsen
    Reviewed in Canada on March 6, 2021
    Verified Purchase
    Many Bang and Olufsen owners like using older Bang and Olufsen receivers with non-B&O external amplifiers and other equipment. B&O is famous for the efficiency of its remote systems, and many like me would like to be able to power up an external amplifier when you use the remote to switch on the B&O equipment, and power off all together at the end of a listening session.
    There is a B&O box that can be found used, but it has the disadvantage of (in North America) being only 2-pin, and it is sensible to plug in a ground three-pin amplifier to a three-pin outlet.
    This relay box is more than an excellent alternative, and the outlets are grounded. It is easy to wire up to B&O equipment, and then works very well, the DC trigger voltage being well within the range for the Iot. The power rating is more than adequate, there are four useful outlets, and it takes up no more room that the B&O relay box.
    It is also good value.
    It neatly fulfills a hi-fi niche, and should be applicable to other stereo and hi fi uses where the equipment has a DC trigger voltage outlet, and you want to simultaneously switch on/switch off other equipment.
    One person found this helpful
    Helpful
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  • KLD
    5.0 out of 5 stars Excellent quality
    Reviewed in Canada on October 16, 2024
    Verified Purchase
    I have 3 of those now. So useful. I use them to turn on/off all my sound systems in the house.

    One wish, more normally off outlets or remove the normally on for a normally off.
    Helpful
     Report
  • Dave
    5.0 out of 5 stars Remote power for my home theatre
    Reviewed in Canada on November 13, 2024
    Verified Purchase
    Works great to switch remote power amps for my 5.1 home theatre. Using a DC trigger from my Marantz pre-pro.
    Helpful
     Report
  • Alan Goodridge
    4.0 out of 5 stars I was WRONG
    Reviewed in Canada on February 2, 2025
    Verified Purchase
    At first couldn't get it to work. Thought it was defective. Fortunately it was all operator error.
    Now that is fixed....one touch control to turn on and off my processor and Crown amps....big smile 😊😊😁😁.
    Recommended.
    PS....Note it comes without written instructions.....there is a video on YouTube that shows how to proceed.
    Helpful
     Report
  • Lima Boulanger
    5.0 out of 5 stars Does what it is advertised to do
    Reviewed in Canada on July 20, 2024
    Verified Purchase
    Work as expected. Tested relay control working on AC 120V or DC 3V signal.
    Helpful
     Report
  • Yves
    5.0 out of 5 stars Fonctionne super bien et facile à installer
    Reviewed in Canada on April 23, 2025
    Verified Purchase
    Super. Branché à 2 power-bars, un toujours alimenté et l'autre contrôlé par mon ampli via le trigger 12v.
    Helpful
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  • Richard P Fedorowicz
    5.0 out of 5 stars Just what I needed to manage shore and battery power in my motor home.
    Reviewed in Canada on September 26, 2020
    Verified Purchase
    The media could not be loaded.
    Well priced, delivered quickly, solid construction. I’m very pleased with this switcher. I recently installed an inverter in my RV to enable me to run some 120v items in the RV when on the road or not plugged into shore power. When switching on the inverter, I had to open the dinette seat to get access to and unplug or turn off the RV converter/charger (they should not run together). With this switcher I have a 6 volt wall wort adapter that is plugged into a spare outlet on my inverter to trigger this switcher. When I turn on the inverter (via its wall mounted control), this switcher senses the inverter power coming on , via the adapter, and automatically turns off the converter/charger unit. I have the converter / charger plugged into the “normally on” outlet. When I switch the inverter back off, the voltage from the adapter drops and this switcher turns the converter/charger back on. Fantastic, and easy to do. Except for the triggering input, this device is plug and play and does both “normally off” and “normally on” circuits. I was going to built one myself but this Unit did the trick and for a reasonable price. This makes managing these two 120v devices a one button operation.
    Customer image
    Richard P Fedorowicz
    5.0 out of 5 stars
    Just what I needed to manage shore and battery power in my motor home.

    Reviewed in Canada on September 26, 2020
    Well priced, delivered quickly, solid construction. I’m very pleased with this switcher. I recently installed an inverter in my RV to enable me to run some 120v items in the RV when on the road or not plugged into shore power. When switching on the inverter, I had to open the dinette seat to get access to and unplug or turn off the RV converter/charger (they should not run together). With this switcher I have a 6 volt wall wort adapter that is plugged into a spare outlet on my inverter to trigger this switcher. When I turn on the inverter (via its wall mounted control), this switcher senses the inverter power coming on , via the adapter, and automatically turns off the converter/charger unit. I have the converter / charger plugged into the “normally on” outlet. When I switch the inverter back off, the voltage from the adapter drops and this switcher turns the converter/charger back on. Fantastic, and easy to do. Except for the triggering input, this device is plug and play and does both “normally off” and “normally on” circuits. I was going to built one myself but this Unit did the trick and for a reasonable price. This makes managing these two 120v devices a one button operation.
    Images in this review
    Customer image
    4 people found this helpful
    Helpful
     Report

Top reviews from other countries

  • Andrew
    5.0 out of 5 stars Power-On External Subwoofer Amp Automatically Using Receiver’s USB Output
    Reviewed in the United States on May 1, 2025
    Verified Purchase
    Works great to power on external subwoofer amp using my Sony surround sound receiver’s USB output. Now when I turn on the receiver, the subwoofer amp also automatically turns on. It is surprising that other companies are not making a similar product. Just take some wire strippers or even scissors to any old usb charging cable you have laying around, inside the usb cable you will find two smaller wires, attach the red to positive terminal on power strip input and black to negative terminal on power strip input, and you are golden. I am so glad I found this power strip.
    Customer image
    Andrew
    5.0 out of 5 stars
    Power-On External Subwoofer Amp Automatically Using Receiver’s USB Output

    Reviewed in the United States on May 1, 2025
    Works great to power on external subwoofer amp using my Sony surround sound receiver’s USB output. Now when I turn on the receiver, the subwoofer amp also automatically turns on. It is surprising that other companies are not making a similar product. Just take some wire strippers or even scissors to any old usb charging cable you have laying around, inside the usb cable you will find two smaller wires, attach the red to positive terminal on power strip input and black to negative terminal on power strip input, and you are golden. I am so glad I found this power strip.
    Images in this review
    Customer image
    Report
  • Bob beck
    4.0 out of 5 stars 110 Volt Not 240 Volt.
    Reviewed in Australia on May 4, 2025
    Verified Purchase
    A brilliant piece of equipment but works on 110 volts not 240 volt, so not musch use in Australia.
    Report
  • RogerPasadena
    5.0 out of 5 stars Works Well, Thoughtful Configuration, Well Built
    Reviewed in the United States on May 28, 2024
    Verified Purchase
    The first thing to know about this unit is that it is well thought out to be versatile for any number of interesting projects. In my case it was recommended for use with an rPi Connected to the Internet which allowed remote control of a ham radio. Works perfectly.

    The unit has four US-style AC female outlets. One is marked always on and the power supply for the rPi is connected there. One is marked normally on, which I don't currently use since it will switch off when the unit is triggered. And the other two outlets are marked normally off. There is a small standard DC connector on the side ready for your wires, and which accepts a wide variety of DC inputs to trigger the relay that switches the unit. When DC power is applied to the relay, the normally off units turn on and then normally on unit turns off and the always on unit remains always on.

    For the DC input I use two pins off the rPI; the remote software has three sets of pinouts configured for an on off DC style switch. (With this third party software I can have up to three switches or devices with separate on/off.)

    Ham radio inside a building typically runs off of a physically separate power supply. Most of these are large beasts, sometimes with loud fans, and they draw a reasonable amount of power just sitting and get hot. So I connected the power supply AC cord to the switch. Now when I want to access my ham radio from a remote location I log into my software, and the first thing I do is actuate the ac power to the via radio power supply via the unit sold here. (Next, the software determines the state of the radio, turns it on now that the power supply is energized, and I can conduct my radio operations remotely from there).

    The really useful and important factor for me is that I can de-energize the radio power supply in addition to turning the radio off with its own on off switch.

    You may well think of 1004 other more creative uses for the unit. The important part is that it works well and seems to be solidly built, and definitely does the trick for me.

    ONE MINOR CAVEAT: Since I have the radio plugged into a "normally off" outlet, the only way to energize the radio outlet is via my remote software. It would be really helpful to have a momentary-press button available to actuate the relay manually at the unit as if it had been actuated by a DC input.

    But this is a minor quibble, and if I'm going to be away for a length of time, it isn't a problem because I don't have the need of the manual turn on of the power.
    Report
  • Engineer IndyJoe
    5.0 out of 5 stars It’s a quality piece of equipment
    Reviewed in the United States on May 21, 2025
    Verified Purchase
    It worked very well allowing us remote control of our test equipment. Quality is very good too. The NO and NC plugs are very nice as is the optional always on.
    Report
  • 鶹Customer
    5.0 out of 5 stars Controls My Computer Peripherals With My Computer.
    Reviewed in the United States on March 14, 2025
    Verified Purchase
    This is a power strip that can be remotely turned on and off by a 12VDC signal. In my case, I wanted my computer peripherals ;monitor, speakers , etc. to automatically turn on and off when my computer turns on and off. I made a homemade cable that connects to 12VDC inside my computer, and that is connected to the 12VDC connector on this power strip. I get the 12VDC from a spare hard drive power connector that comes from the computer power supply. In my computer, it’s the yellow wire and black wire (there are two black wires - use the black wire that’s right next to the yellow wire) of the hard drive power connector. If you only have SATA hard drive power connectors, your wires are all black. In that case, buy a “SATA (male) to Molex Power adapter” cable (鶹 sells them), and it will plug into your SATA hard drive power cable, and it will have the yellow and black 12VDC wires you need for this power strip.
    Report