0078477574683

Leviton

Model # R02-51110-SRG

Internet # 202993881

Store SKU # 893845

Store SO SKU # 162677

120/240-Volt Residential Whole House Surge Protector

$50.97 /each

Frequently Bought Together

Product Overview

The 51110-001 Residential Surge Protection Panel is designed for mounting at the service entrance in homes, apartments and condominiums. It offers advanced surge protection for modern electronics and appliances, reducing the risk of damage from spikes and surges entering the property through AC power lines.

  • Surge protection for 240/120V, 50/60 Hz single-phase AC power lines
  • Real-time diagnostic visual indicator shows power and suppression status for each protected phase
  • UL1449 3.0 edition rated for 600V peak clamping voltage (L-N, L-G, N-G)
  • DHC power line carrier compatible
  • Separate surge suppression indicator lights stay on for phase 1 and phase 2 until protection is lost
  • Note: product may vary by store

Specifications

Dimensions

Product Depth (in.) 
1.68 
Product Height (in.) 
6.40 
Product Width (in.) 
4.6 

Details

Connection type 
Panel Mount 
Electrical Product Type 
Whole House Surge Protectors 
Joules 
3400 
Maximum Amperage (amps) 
Product Weight (lb.) 
.109375 lb 
Returnable 
90-Day 

Warranty / Certifications

Certifications and Listings 
1-UL Listed,ANSI Certified,CSA Listed 
Manufacturer Warranty 
10-Year Limited Warranty 

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Customer Questions & Answers

21 Questions32 Answers

Customer Questions & Answers

120/240-Volt Residential Whole House Surge Protector
120/240-Volt Residential Whole House Surge Protector

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3 answers

What do I do after the power has surged?

This question is from 120/240-Volt Residential Whole House Surge Protector
Asked by
Falls Church, VA
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December 13, 2015
How do you reset the unit so it again protects after it has experienced a surge?
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Answers (3)

Asked by
Lexington, KY
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Home Improvement Profile: DIYer
March 30, 2016
Answer: 
There's really nothing to do. The device doesn't "trip" like a circuit breaker; it works all the time, but is only active (that is, diverting excess power to ground) when the voltage on the line (hot) buses in the distribution panel goes above a preset limit. Whenever a surge (high voltage) situation occurs, the device does its job; the rest of the time, it simply sits in "standby" mode, waiting for a Read More
There's really nothing to do. The device doesn't "trip" like a circuit breaker; it works all the time, but is only active (that is, diverting excess power to ground) when the voltage on the line (hot) buses in the distribution panel goes above a preset limit. Whenever a surge (high voltage) situation occurs, the device does its job; the rest of the time, it simply sits in "standby" mode, waiting for a surge. If the total current flow through the device gets too high for too long, one or both of the circuit breakers connecting it to the line buses may trip. If that happens, you'll need to reset that breaker. (If the breaker trips repeatedly, contact an electrician.)
Once it's installed, the only real maintenance is to check the device occasionally to be sure that the indicator lights show proper operation. If they aren't showing the proper status, the device will need to be repairs or replaced. Read Less
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Asked by
Lexington, KY
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Home Improvement Profile: DIYer
March 30, 2016
Answer: 
The unit isn't a circuit breaker; it doesn't "trip" and have to be reset. It simply diverts excess power to ground when the line voltage goes above a preset limit. When the line voltage drops back to a safe level, it remains in operation and will work again automatically when the voltage goes above its activation level.
The unit is intended to be connected to the line (hot) buses via a pair of 20 Amp Read More
The unit isn't a circuit breaker; it doesn't "trip" and have to be reset. It simply diverts excess power to ground when the line voltage goes above a preset limit. When the line voltage drops back to a safe level, it remains in operation and will work again automatically when the voltage goes above its activation level.
The unit is intended to be connected to the line (hot) buses via a pair of 20 Amp circuit breakers. If the unit tries to divert too much current, one or both breakers will trip. If that occurs, you simply need to reset the breaker(s) that tripped to return the unit to operation. If they trip repeatedly, contact an electrician. Read Less
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December 17, 2015
Answer: 
Once the 51110-SRG takes a large enough surge, the unit will no longer provide surge protection and must be replaced immediately. The LED indicators on the face of the surge protector will alert you when the device is no longer surge protected.
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3 answers

Is this unit prewired or do you hard wire it yourself?

This question is from 120/240-Volt Residential Whole House Surge Protector
Asked by
Hendersonville NC
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August 13, 2014
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Asked by
Lexington, KY
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March 30, 2016
Answer: 
The unit comes with wires attached but you (or a qualified electrician) will have to hard wire it to the power distribution panel (breaker box). There is a connection to the neutral bus (white wire), one to the ground bus (green wire), and one to each of the power buses (two black wires, connect one to the Line 1 bus and one to the Line 2 bus, connecting each through a 20 Amp circuit breaker of a type Read More
The unit comes with wires attached but you (or a qualified electrician) will have to hard wire it to the power distribution panel (breaker box). There is a connection to the neutral bus (white wire), one to the ground bus (green wire), and one to each of the power buses (two black wires, connect one to the Line 1 bus and one to the Line 2 bus, connecting each through a 20 Amp circuit breaker of a type listed for your distribution panel). The surge protector has a connector for a knockout (access hole) in the distribution panel, so it can be connected directly to the distribution panel, or it can be connected via a short section of conduit with the wires routed through the conduit to protect them. Read Less
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Asked by
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September 30, 2015
Answer: 
CONECT TO TWO 20 AMP BREAKERS AND DONE, SURGE IS PERWIRED
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September 11, 2014
Answer: 
Good day,
The leads from the surge protector need to be wired to your main panel through a 30 amp (max) dedicated circuit breaker.
David Keller,
Leviton
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2 answers

how does this protect inside the panel??

This question is from 120/240-Volt Residential Whole House Surge Protector
Asked by
CT
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January 12, 2016
If this is wired into the main electrical panel how does this protection work? Doesn't make logical sense to me. To me how a whole house protection surge device should be, inline in a sub panel box alone on the main power lines pre-main electrical box to really protect all the devices connected out from the main panel? I understand this to be more of a line conditioner more than a surge protection device? Please correct me if I am wrong.
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Answers (2)

Asked by
Lexington, KY
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March 30, 2016
Answer: 
When an appliance in the house (or an outside source) creates a transient voltage surge, the surge is transmitted back along the circuit to the distribution panel (breaker box), where it passes into the line (hot) bus bars, and then on to each other circuit in the house. With a surge protector connected to the line buses via circuit breakers, the surge protector is able to detect when the voltage on the Read More
When an appliance in the house (or an outside source) creates a transient voltage surge, the surge is transmitted back along the circuit to the distribution panel (breaker box), where it passes into the line (hot) bus bars, and then on to each other circuit in the house. With a surge protector connected to the line buses via circuit breakers, the surge protector is able to detect when the voltage on the buses exceeds the safe limit and shunt the excess voltage to ground. (The surge protector is connected to the neutral and ground buses as well as to the line buses.)
This means that while the device protects equipment on circuits other than the one where the surge originates, it doesn't do much for any equipment on the circuit where the surge originates, because that equipment will be exposed to the surge before the voltage on the line buses rises enough to trigger the surge protector. The good news is that the worse sources of surges - HVAC systems, refrigerators, freezers, etc. - tend to be on individual circuits in most newer homes, so there's nothing else on the same circuit with them. Read Less
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January 15, 2016
Answer: 
The 51110-SRG residential surge protection panel is designed for mounting at the service entrance in homes, apartments, and condominiums. It offers advanced surge protection for modern electronics and appliances, reducing the risk of damage from spikes and surges entering the property through AC power lines.
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2 answers

will this device protect a 50 amp 240 volt kitchen range

This question is from 120/240-Volt Residential Whole House Surge Protector
Asked by
Fl
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December 22, 2015
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Asked by
Lexington, KY
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March 30, 2016
Answer: 
The device is intended to protect all of the circuits in the house, not a single circuit. It's connected directly to the distribution panel (breaker box), not in line with any one circuit. It provides surge (high voltage) protection, not protection from high current; current protection is the job of a fuse or circuit breaker.
If you have a kitchen range that's creating voltage surges when it's turned Read More
The device is intended to protect all of the circuits in the house, not a single circuit. It's connected directly to the distribution panel (breaker box), not in line with any one circuit. It provides surge (high voltage) protection, not protection from high current; current protection is the job of a fuse or circuit breaker.
If you have a kitchen range that's creating voltage surges when it's turned on, this device will help alleviate that problem, just as it will help to prevent surges created by other appliances (such as a refrigerator) from interfering with any delicate devices (electronic clock/timers, for example) on the range. (The actual cooking elements in an electric range aren't particularly susceptible to surges.) It will NOT serve as the device for connecting the range circuit to the distribution panel and protecting that circuit from excessive current / overload. You'll need an appropriately sized circuit breaker for that. Read Less
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January 6, 2016
Answer: 
The 51110-SRG is a whole house surge protector that is designed to protect an entire panel. You can use this surge protector for your application.
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Customer Reviews

Rated 4.7 out of 5 by 15 reviewers.
Rated 5.0 out of 5.0 by It works! I have the proof I installed one on each of the two 200amp main panel boxes in my house about 5 years ago. Prior to that I had lost a lot of stuff to power surge and lightning strikes over the years. Yes I said strikes. The chimney has been rebuilt and the same sheet of roofing replaced twice. Yes, it does strike the same place twice. This morning the house took at power surge from the power company and whole house surge protector did its job. I know protector took the brunt of it because the face blew off the front of it and it landed 4 feet away. See the picture attached. Off to Depot to get another one today! September 30, 2015
Rated 5.0 out of 5.0 by Economical protection The whole house surge protector was easy to install if you have at least intermediate level electrical knowledge. March 8, 2016
Rated 5.0 out of 5.0 by Great product PLEASE BE SAFE - if you don't have the experience or are not sure, have a professional do it for you. It is not that hard to install - but you must do it safely. 1. Have all the stuff you need on hand (tools, 2 20 amp CB, and the surge protector) 2. Make sure you have two free spaces in your CB panel 3. Turn off power at the incoming power at the meter CB 4. Remove CB cover 4. Attach the surge protector to the CB box 5. Install the two CB (one on each leg) make sure they are installed correctly 6. Black wires go the CB one each - White wire to neutral - Green wire to ground (make sure you have a tight connection) 7. Re-install the CB cover 8. Turn on power at the meter 9. Make sure you have two green lights on the surge protector That's it June 29, 2014
Rated 5.0 out of 5.0 by Nice extra protection I wanted one of these because of the amount of expensive electronics in appliances these days. This comes with a $5000 protection guarantee, so it will even cover expensive appliances like a refrigerator and stove. It also has LEDs to tell you that it is still operating. The installation was pretty easy. I opted to mount it directly into the box, but my box is drywalled in so it didn't quite fit flush with the drywall, but close enough. January 19, 2016
Rated 5.0 out of 5.0 by Leviton 51110-SRG Excellent Value Surge Protector Although I am not a certified electrician, I have wired several new homes in accordance with the NEC code. They were inspected and approved by the electrical inspector. Therefore, I was confident in installing this unit in accordance with the installation instructions. Anyone with some electrical wiring experience, especially in breaker panels should be able to install. Otherwise, hire an electrician. Be advised that the warranty is not valid unless installed by a professional electrician. I was willing to take this risk. In this age of appliances with electronic controls and microprocessors, everyone should have a whole house voltage surge protector. The cost is a fraction of a service call to repair a damaged control. I looked for value - price, performance and ease of installation. This Leviton 51110-SRG has a rating of 3400 Joules (a Joule rating value is how much energy the surge protector can absorb or dissipate before it fails). 3400 is a good level of protection. Also the response time, although not listed is short, but may not be not short enough to protect computers. They are not listed in the warranty. You may need extra protection for computers. I purchased the surge protector from my local Home Depot. It was easy to install with the installation instructions provided. First thing was to turn off the main breaker to my 200 amp breaker panel. Then the breaker panel cover was removed. There are options on how to mount the surge protector. I elected to install directly to the breaker panel by punching out a perforated knock-out hole adjacent to where the unit would be attached. The outer plastic flush cover was removed. The connector at the base of the surge protector has four wires (2-black, 1- white and 1-green. They all pass through the knock-out hole and the unit is secured to the panel with a connector nut provided. The black wires (power) must be attached to two new dedicated 110 v breakers (one wire per breaker- I used 20 amp breakers, the max specified by Leviton). and pushed them into the legs of the breaker panel. The breakers must be positioned side-by-side to protect both legs of the 110/220 V system. Since I installed the surge protector adjacent to the breakers, I was able to cut off a considerable length of the black wires as recommended by Leviton before stripping and attaching. I left the green wire (ground) and white wire (neutral) long enough to reach and be attached to the neutral and grounding bars. The wires come 18 inches in length (the shorter the power wires can be cut,, the better the protection). The breaker panel cover is then screwed in place and the main breaker turned on. The new dedicated breakers are turned on. At this time the two lights on the surge protector panel will light-up showing you have protection. The whole job took about 30 minutes. August 9, 2013
Rated 5.0 out of 5.0 by vERY gOOD pRODUCT I BOUGHT THIS FOR PROTECTION OF MY HOME. EASY TO INSTALL. I AM NO ELECTRICIAN BUT I HAVE INSTALLED CIRCUT BREAKERS AND RUN MANY HUNDREDS OF FEET OF WIRE INSTALLED MANY LIGHT SWITCHES AND RECEPTICALS. AM NOT AFRAID TO GET IN THE BOX AND INSTALL NEW BRAKERS. LOOK THREE TIMES BEFORE YOU TOUCH AND YOU SHOULD BE OK IF YOU HAVE A GENERAL UNDERSTANDING OF ELECTRICY. SO FAR SO GOOD. BOUGHT THIS ON SALE FOR $25.00. September 30, 2015
Rated 4.0 out of 5.0 by Replaced surge unit All was not as expected. The unit does not have the connector to the panel at the same offset as the holes in the panel. I had to use knockouts to move the hole closer to the front on the panel on the circuit panel.. It is now in place. March 26, 2015
Rated 4.0 out of 5.0 by Good primary protection Great price. I've had a unit similar to this take a near-direct lightning hit. It destroyed the supressor but did not damage any equipment. This unit has a HONEST warranty. Don't be fooled by the warranty claims. Leviton will cover your equipment up to $5000. Other manufacturers (ie cutler-hammer etc.) offer higher warranties but they only cover costs up and above what your home-owners insurance will cover. CH may never have to pay any claim and your insurance premium will probably go up. If you have a quality product, you should stand behind it, not behind the insurance company. October 28, 2012
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