Top 9 Best Usb Power Relay Switches (2020 reviews)

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It is important to have the best relay switch for your daily purposes. We are here to help you choose the right one for your needs from all the best available products in market today.

We have listed out the most suitable relay switches for your daily usage after deep scanning and comparative studies between 100’s of products. Our final collection has the best products and we also worked hard to maintain variety within our selection for personal choice.

Note: Just because we dismiss a relay switch in the competition section doesn’t mean it’s not good. The following are simply our picks for the best relay switches for most people – you may have specific preferences , that make a different relay switch better for you.

Best part: Sunfounder Usb Power Relay Switch costs reasonable and it is available to ship in 24 hours. Also, it has design for highdensity p.c. Simple relay magnetic circuit to meet low cost of mass production. Lastly, the sunfounder usb power relay switch is used for domestic appliance, office machine, audio, equipment, automobile, etc.


In This Article:


Top 5 Best Usb Power Relay Switches

#BrandRating
1Sunfounder Usb Power Relay Switch – Best Overall 4.6
2Epauto Usb Power Relay Switch – Best Runner Up 4.7
3Online Led Store Usb Power Relay Switch – Best Premium 4.6
4Ehdis Usb Power Relay Switch – Best Value For Money 4.4
5Drok Usb Power Relay Switch4.4


1. Sunfounder Usb Power Relay Switch – Best Pick

If you want nothing less than best fully-featured relay switch, then Sunfounder Usb Power Relay Switch is the one you should definitely consider, as it manages to bring a lot to the table. 1.97 inches x 1.54 inches x 0.63 inches. Indication led’s for relay output status. To sum up, with 4.6 rating and more than 4144 buyers, the sunfounder usb powerrelay switch stands as the best choice.

Most customers agree that the relay switch is good product for quick deployment to switch a simple load on/off with a pic micro-controller. And, a few say that the relay switch is relay-vcc that in turn powers the relay coils at the higher current. Further, a few also found that the relay switch comes all soldered and has the screw-in terminals. In addition, the pi is able to power the relay directly and report out on its activity through some basic python scripts.

Top Customer Quotes:

  • 5V 2-channel relay interface board, and each one needs 15-20ma driver current
  • The relay contacts are marked with a drawing of sorts on the board
  • This can measure if needed but should not have to
  • Equiped with high-current relay, ac250v 10a ; dc30v 10a

2. Epauto Usb Power Relay Switch – Best Runner Up

Epauto offers a variety of relay switch for personal choice and yet maintaining quality in all the variants. 4 relays + 4 relay sockets with wires. Heavy-duty impact molded relay socket with 5 wires。white (common), black (normally closed), and yellow (normally open). In short, with 4.7 rating and more than 3456 buyers, the Epauto Usb Power Relay Switch stands as the best choice.

Most customers opine that the relay switch is placed in the power circuit of the camera. Moreover, they strongly agree that the relay switch is ideal for use in lower amp draw situations for sure. Further, a few say that the relay switch is easy to follow wiring diagram sent with the relays. Moreover, the relay comes with a socket and wiring harness to make connections very easy. Overall, the tone of buyers is very positive and we believe that the relay switch suits the purpose.

Top Customer Quotes:

  • Ther way, the relay has a metal tab with a hole for easy mounting
  • Safety ul listed 6″ wires with pigtail leads for the main contact
  • These relays worked great, and the value is definitely there
  • This is not sealed so water can still get into the connections

3. Online Led Store Usb Power Relay Switch – Best Premium

The relay switch is a must have add-on for your regular usage. The Online Led Store Usb Power Relay Switch includes 5 relays and 5 relay harnesses. Make sure this fits by entering your model number. The ols pszacceps180r heavy duty 5-pin spdt bosch style relay is rated to handle 80 amps of load at 12v dc in the normally open position, and 60 amps of load at 12v dc in the normally closed position.

The relay switch is a user manual available for download under product information details. Lastly, the online led store usbpower relayswitch comes with a 1 year manufacturer warranty.

Most customers found that the relay switch can actually handle the rated 60/80 amps.i wired one directly to the fan circuit and an ignition-switched power source. Also, they say that the relay switch is great value for the money! Also, a few say that the relay switch makes it very convenient for mounting. Further, they work great and the relay connectors interlock together for a nice clean look. In conclusion, buyers found this to be one of the best relay switch for daily purposes.

Top Customer Quotes:

  • This is perfectly to tie led lights to headlights via weatherpak assemblies instead of taps
  • All automobiles and devices equipped with a 12 volt dc power source
  • Bosch style 5-pin spdt (single pole double throw) relay
  • Metal tabs are present on the relay for secure mounting

4. Ehdis Usb Power Relay Switch – Best Value For Money

Ehdis offers a variety of relay switch for personal choice and yet maintaining quality in all the variants. Further, These are heavy duty 80a relays. Make sure this fits by entering your model number. Finally, the Ehdis Usb Power Relay Switch is used to install electric cooling fans, electric fuel pumps, electric water pumps, shaved door handles solenoids, trunk solenoids, horns.

One customer says – “Good stuff!relay sockets are easily re-workable. “.A few also found that the schematic on the relay is incorrect, circuits 87 and 87a should be switched, other wise the current will flow when not energized when using 87a.

Why We Like This:

  • Brand new heavy duty 12v spdt relays and socket kit sets
  • Mechanical life of 100,000+ cycles, life expectancy mechanical: 10,000,000 operations
  • 12 volt 80 amp 5-prong relays socket with 5 wires

5. Drok Usb Power Relay Switch

The Drok Usb Power Relay Switch is capable of outshining several other relay switch featured in this list in overall features in its price range. The drok usbpower relayswitch comes with reverse protection function. Drok digital timer relay will be powered by dc 5.0-60v, with micro usb 5.0v input port. The relay board led displays 24-hour time, with 4 digits red color, clear to read.

Finally, the drok usb powerrelay switch is with buzzer alarm function.

Most customers found that the relay switch is in the testing stage but seems to be working great. Moreover, they say that the relay switch is a very fine product, well designed and fabricated, very rugged. Overall, for almost all customers, Drok product was best suited.

Top Customer Quotes:

  • Special function: drok switch timer is with buzzer alarm function; with reverse protection function
  • Great little board and does what it’s supposed to do
  • The ope relay closes/ outputs pulses, and the cle relay disconnect/ outputs pulses
  • Good product work has what it suppose to be

Other Usb Power Relay Switches We Reviewed

We looked at 4 other Usb Power Relay Switches. Even though they didn’t make our 5 best Usb Power Relay Switches list, they’re the best of the best and each is still a great option. The information you’ll need to compare each one is included with the listing.

Products You May Be Interested In

Rosebear Usb Power Relay Switch

Rosebear Usb Power Relay Switch

Almost all buyers found that the relay switch is that there are two flexible and convenient power input methods, power socket and terminal. A few also found that the relay switch is designed with square type-b usb interface, stable connection.

Why We Like This:

  • This is designed with square type-b usb interface, stable connection
  • You have no need of any driver, plug and play
  • It uses imported high-performance usb control chip

Cost: $23.19

Oumefar Usb Power Relay Switch

Oumefar Usb Power Relay Switch

One customer says – “It uses imported high-performance usb control chip. “.Almost all buyers opine that the relay switch is designed with square type-b usb interface, stable connection.

Why We Like This:

  • It uses imported high-performance usb control chip
  • There are two flexible and convenient power input methods, power socket and terminal
  • This is designed with square type-b usb interface, stable connection

Cost: $14.69

Pemenol Usb Power Relay Switch

Pemenol Usb Power Relay Switch

Most customers found that the relay switch has no data exchange with the mobile phone for more than 6. minutes, it will automatically disconnect the tcp connection.

Top Customer Quotes:

  • Onboard high performance microprocessor and esp-01 wifi module, mode selection and real-time status indicators
  • This can be used as a usb relay when the esp-01 is disconnected
  • Bench tested this product to see what it can do

Cost: $14.99

Oumefar Usb Power Relay Switch

Oumefar Usb Power Relay Switch

One customer says – “There are two flexible and convenient power input methods, power socket and terminal. “.Most customers agree that the relay switch is designed with square type-b usb interface, stable connection.

Why We Like This:

  • There are two flexible and convenient power input methods, power socket and terminal
  • This is designed with square type-b usb interface, stable connection
  • It uses imported high-performance usb control chip

Cost: $14.39

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