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Leviton 51120-1 120/240 Volt Panel Protector, 4-Mode Protection, Light Commercial/Residential Grade, In NEMA 1 Enclosure

4.7 4.7 out of 5 stars 433 ratings

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Protector

Purchase options and add-ons

Brand Leviton
Color Image
Compatible Devices All
Material Metal
Product Dimensions 7"L x 4.06"W

About this item

  • 120/240V Single Phase Panel Mount Surge Protective Device, 4-Mode Protection, 50kA Max Surge Current Rating, NEMA 1 Enclosure, UL 1449 4th Edition Type 2
  • Type 2 Single Phase Surge Panel with 4-Mode Protection
  • Real-time diagnostic visual indicator shows power and suppression status for each protected phase
  • Standard J-Box enclosure with pre-punched standard knock-outs can be easily surface mounted in typical frame construction
  • Features a low VPR to ensure protection of sensitive electronic devices including LCD TVs and computers
  • NEMA 1 enclosure
  • 120/240 Volt Panel Protector 4 Mode Protection

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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Item model number ‏ : ‎ 51120-1
  • Date First Available ‏ : ‎ September 8, 2004
  • Manufacturer ‏ : ‎ Leviton
  • ASIN ‏ : ‎ B00081K55Q
  • Customer Reviews:
    4.7 4.7 out of 5 stars 433 ratings

Product Description

Product Description

7 INCH W X 4.06 INCH D X 7 INCH H SIZE; BRANCH PANEL USED ON; 50/60 HZ FREQUENCY RATING; 12 AWG LEAD WIRE CONNECTION TYPE; UL (CANADA AND US) APPROVAL; RESIDENTIAL APPLICATION; 120/240 VAC VOLTAGE RATING; PANEL MOUNTING; NEMA 1 ENCLOSURE

Amazon.com

Leviton’s 51120-1 (120/240-volt AC) surge protection panel diverts voltage transients, or surges, away from electronic equipment. The protection panel is designed for single-phase applications in homes and apartment buildings at the service entrance or other branch panel locations. It is also perfect for use in light commercial buildings where protection from high-energy, high-voltage transients is desired.

Leviton 51120-1
Surge Protection Panel
At a Glance:

  • Real-time diagnostic visual indicator shows power and suppression status for protected phase

  • Provides protection against surge and ensures safety of sensitive electronics

  • Limited lifetime product warranty

  • Connected equipment coverage of up to $25,000 in residential applications

Leviton's surge protection panel diverts dangerous surges away from electronic equipment. Click to enlarge.Protect Your Sensitive Electronics
Leviton engineered this surge panel to defend against high-voltage spikes—ideal for sensitive electronic devices such as computers, LCD and LED televisions, and PDA products. The 51120-1 surge panel has been designed to exacting standards and is fully compliant with the 3rd edition of the UL 1449 standard. A real-time visual indicator shows power and suppression status for the protected phase. To protect against internally generated transients between branch panel and the point of use, homeowners can utilize surge suppression outlets, power strips, or plug-in adapters.

True Whole House Surge Protection Warranty
Leviton stands behind its surge protection products, providing a warranty of $25,000 on equipment connected to the panel protector. Should there be a failure in the surge protection equipment during a power surge at a residential application, Leviton will cover up to $25,000 of replacements or repairs (whichever is less) of properly connected residential equipment. This covers electrical transients on AC power or communication lines, including those caused by indirect lightning. The surge protection warranty is included with purchase of the surge panel.

Simple Installation and Wide Compatibility
For easy flush mounting in frame construction environments, each surge protective device comes in a J-Box metal NEMA 1 enclosure with pre-punched standard size knockouts. The enclosure also conveniently enables connections to existing branch panels. The 51120-1 surge protective device is fully compatible with Leviton Decora home controls—making it easier than ever to protect all your home controls. Backed by one hundred years of Leviton quality, each surge panel offers a limited lifetime product warranty.

What's in the Box
One Leviton 51120-1 (120/240-volt AC) surge protection panel.


From the brand


From the manufacturer

Leviton Surge Protected Devices

Leviton Surge Protected Devices

Leviton surge protective devices knock down high-energy transients at the building entrance and/or sub-panel so that the surge is manageable for smaller SPDs protecting point-of-use equipment. Leviton offers an extensive selection of devices to implement the most effective surge protection network.

What's in the box

  • 51120-1
  • Product guides and documents

    Looking for specific info?

    Customer reviews

    4.7 out of 5 stars
    4.7 out of 5
    433 global ratings

    Customers say

    Customers like the appearance, ease of installation, quality, value, and performance of the electrical outlet. They mention that it looks good, is well designed, and easy to install. They appreciate the heavy duty, well engineered, and solid metal construction. Customers also mention that the product is worth the expense and provides good protection for reasonable price. They say it works great and has no issues so far.

    AI-generated from the text of customer reviews

    45 customers mention42 positive3 negative

    Customers find the installation of the electrical outlet to be easy for the average skilled person. They mention that the materials are first rate, the installation is simple, and straightforward. The instructions are clear and concise, and it's easy to hook up the ground, neutral, and two hot wires.

    "Easy to for electrician to install, good value...." Read more

    "...Installation/replacement is straight forward and basically just consists of 2 20A breakers being hooked up to it and your grounding...." Read more

    "Being an Inside Journeyman Wireman made the install easier. Installed this in my house. I had to go to HD for some parts once...." Read more

    "...Instructions are clear and concise. I had a furnace guy try to sell me a surge protector for the furnace and air conditioner for $400...." Read more

    28 customers mention25 positive3 negative

    Customers like the quality of the electrical outlet. They say it is heavy duty, well-engineered, and made of solid metal. The spec's indicate robust protection, and it has the highest specification found for any protector.

    "...I didn't want to cut a bigger hole and have to patch the wall. Sturdy enclosure...." Read more

    "...It is more expensive than some others, but it has the highest specification I found for any protector for single phase residential use...." Read more

    "...protector (it will do nothing in a brown out) The item is well made of solid metal and has two green lights on the front to tell you its working...." Read more

    "I pulled the trigger on this one because of how heavy duty/solid it looked in the pictures...." Read more

    24 customers mention24 positive0 negative

    Customers are satisfied with the performance of the electrical outlet. They mention that it works great, has no issues so far, and has worked without a hitch during afternoon storms. The product is perfect and works automatically. Overall, customers are happy with their purchase and recommend it to others.

    "Works as it should!! Great price as well!" Read more

    "...Overall it's a nice device. Time will tell if it does what it says it will." Read more

    "...51120-1 Whole House Surge Protector for over 5 years, and it still works great. I have had no problems with it...." Read more

    "...Once installed looks good and works automatically." Read more

    18 customers mention18 positive0 negative

    Customers are satisfied with the value of the electrical outlet. They mention that it is worth the expense, provides the best protection for a reasonable price, and is easy to install. Some say that the surge protection works well and is a nice value.

    "Easy to for electrician to install, good value...." Read more

    "Works as it should!! Great price as well!" Read more

    "...Fortunately, EMT isn't too expensive and I'll probably use it for something eventually...." Read more

    "...able to share 20 amp breakers made the install a lot easier and less costly...." Read more

    5 customers mention5 positive0 negative

    Customers are satisfied with the appearance of the electrical outlet. They mention that it is well designed, looks good, and has an excellent enclosure.

    "...Once installed looks good and works automatically." Read more

    "Good quality, excellent enclosure with good wire attachment hardware. if the surge protection works this is a nice value." Read more

    "Sturdy/Well designed product. Easy install! We have a lot of electronics, as others do I'm sure...." Read more

    "Electrician installed in a very short time. Looks good. Hope it works :)" Read more

    5 customers mention5 positive0 negative

    Customers are satisfied with the protection provided by the electrical outlet. They mention that it provides great whole house protection, and protects all the electrical components.

    "Great whole house protection. I put the load on this panel and it passed great. I ordered another one for a second house panel" Read more

    "...Neat idea and now the entire house is protected." Read more

    "Protect all the electrical components." Read more

    "good protection device" Read more

    Install was so so
    4 Stars
    Install was so so
    Being an Inside Journeyman Wireman made the install easier. Installed this in my house. I had to go to HD for some parts once. Namely a right angle drill attachment so I could drill into the side of the panel via the 6x6" cutout. I didn't want to cut a bigger hole and have to patch the wall. Sturdy enclosure. The directions for install list the knockouts as 3/4"...they are 1/2" and I noticed it right away. Overall it's a nice device. Time will tell if it does what it says it will.
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    Top reviews from the United States

    Reviewed in the United States on January 3, 2024
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    Reviewed in the United States on October 6, 2023
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    2 people found this helpful
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    Reviewed in the United States on February 27, 2024
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    Reviewed in the United States on August 21, 2023
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    Customer image
    4.0 out of 5 stars Install was so so
    Reviewed in the United States on August 21, 2023
    Being an Inside Journeyman Wireman made the install easier. Installed this in my house. I had to go to HD for some parts once. Namely a right angle drill attachment so I could drill into the side of the panel via the 6x6" cutout. I didn't want to cut a bigger hole and have to patch the wall. Sturdy enclosure. The directions for install list the knockouts as 3/4"...they are 1/2" and I noticed it right away. Overall it's a nice device. Time will tell if it does what it says it will.
    Images in this review
    Customer image
    Customer image
    4 people found this helpful
    Report
    Reviewed in the United States on June 3, 2022
    Style: ProtectorVerified Purchase
    7 people found this helpful
    Report
    Reviewed in the United States on March 29, 2022
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    8 people found this helpful
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    Reviewed in the United States on August 13, 2023
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    One person found this helpful
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    Reviewed in the United States on July 15, 2013
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    37 people found this helpful
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    Top reviews from other countries

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    AmazonAdict
    5.0 out of 5 stars Straight Forward Good Quality
    Reviewed in Canada on November 20, 2023
    Style: ProtectorVerified Purchase
    Ivonne B.
    5.0 out of 5 stars Buen producto
    Reviewed in Mexico on November 26, 2021
    Style: ProtectorVerified Purchase
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    Ivonne B.
    5.0 out of 5 stars Buen producto
    Reviewed in Mexico on November 26, 2021
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    Chris U.
    5.0 out of 5 stars Awesome
    Reviewed in Canada on September 17, 2023
    Style: ProtectorVerified Purchase
    Amazon Customer
    5.0 out of 5 stars Fit the need.
    Reviewed in Canada on June 14, 2022
    Style: ProtectorVerified Purchase
    One person found this helpful
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    Shahn
    5.0 out of 5 stars Surge Protector
    Reviewed in Canada on November 26, 2019
    Style: ProtectorVerified Purchase
    One person found this helpful
    Report