Eaton Tripp Lite SK3-0 Multi-Plug Wall Outlet Extender Surge Protector, 3 Outlets, 660 Joule Rating, Diagnostic LEDs, Portable Travel Wall Plug, Lifetime Manufacturer’s Warranty & $5,000 Insurance
$12.99
Price: $12.99
(as of Sep 18, 2025 06:16:47 UTC – Details)
The SK3-0 surge suppressor offers reliable surge and line noise protection. The compact direct plug-in design allows for easy portability and features 3 outlets and 660 joules of surge energy absorption. Diagnostic LEDs alert you to potential wiring or protection faults before connected equipment is damaged. $5,000 Ultimate Lifetime Insurance (USA & Canada only).
On the go protection Protect any electronic device from power surges & spikes: surge suppressor with one NEMA 515R AC outlet protects your laptops, electronic notepads, personal organizers and other portable electronic devices from dangerous power surges, spikes & line noise
Reliable one outlet ac line surge suppression: The compact direct plugin design allows for easy portability and features one ac outlet
Safety first 660 joule rating conforms to UL 1449 safety standards: Two diagnostic LEDs (grounded & protected) show power and protection status, enabling you to recognize power problems before they affect your valuable equipment; Conforms to current UL 1449 3rd edition safety standards
Direct plug in design perfect for travel with its compact, switch less, direct plug in design, this power cube instantly converts any standard wall outlet to a surge protector, making it ideal solution for traveling
Customers say
Customers find the surge protector works well, with one noting its effective suppressor design, and appreciate its quality and compact size that fits behind TVs. The product offers good value as inexpensive insurance for electronics, and effectively protects against electrical outages, particularly for garage door openers. Customers like how it fits in wall outlets and works well for appliances, with one mentioning it’s ideal for kitchen use.
10 reviews for Eaton Tripp Lite SK3-0 Multi-Plug Wall Outlet Extender Surge Protector, 3 Outlets, 660 Joule Rating, Diagnostic LEDs, Portable Travel Wall Plug, Lifetime Manufacturer’s Warranty & $5,000 Insurance
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Sue Sue –
Well Made Solid Surge Protectors, 4 Different Sizes Ordered and Loved
I read reviews that said the single Surge Protector takes up the switch plate… the 4 singles Surge Protectors I ordered allowed for another plug if placed at the bottom. I ordered a 3 plug Surge Protector from this Brand for an area that needed multiple access. All from the same brand, all well made, heavy quality and all work properly when directions are followed: Plug the item into the surge protector first and then plug the surge protector into the wall socket.
Michal –
Compact, Convenient, and Reliable
I recently got the Outlet Portable Surge Protector Power Strip, and itâs been a lifesaver for keeping my devices safe and powered up. Itâs super compact, so it doesnât take up much space in my bag or on my desk, making it perfect for travel or working from different spots around the house.The surge protection feature is greatâgives me peace of mind knowing my electronics are protected from power spikes. Plus, the multiple outlets and USB ports are super handy for charging several devices at once. Iâve used it to power my laptop, phone, and even a small lamp, all at the same time, without any issues.If youâre looking for a portable, reliable power strip that offers surge protection and extra outlets, this one does the job perfectly. Iâm really happy with it!
JayBear –
Perfect for a single device
Appears to be working as intended and has no problem handling the load needed by our air handler in the attic. I only needed to protect a single device and didnât want it hanging off the outlet risking it coming loose over time.Iâll return and update the review if anything changes.
Neil Isenberg –
Wall Surge Protector – UL1449 3rd Edition Tested and EMI/RFI protection
This review is for the “Tripp Lite SK5TEL-0 Surge Protector Wallmount..”A serious quality surge protector for the classic little wall mount plug-in often found on kitchen back splash walls? The folks who make the ISOBAR lines of surge protectors appear to be upping the technical ante here.PROS:——(1) UL1449 3RD EDITION TESTED (see below for details) with let through 400/400/500V clamping voltage. UL1449 is the UL testing gold standard and 3rd Edition is the latest and most stringent (see below). While 330V clamping voltage would be much better, what can one expect from a surge protector a little bigger than a deck of cards.(2) EMI/RFI FILTERING for up to 45db noise attenuation.(3) Has a CIRCUIT BREAKER (15A) in the form of a fuse. If it blows and you meet the warranty qualifications they will send you a replacement.(4) 1080 Joules AC Suppression and 1875W total outlet watts, which are high for little wall mount plug-ins.(5) Has some phone/fax line (RJ11) surge protection, as well.(6) For many decades Tripp Lite has taken the technical high-road and offered product quality/survivability over the long haul and the company appears to make a good faith effort to honor their warranties. A little wall mount plug-in cannot come near the durability/capability of their ISOBAR surge protectors, however I would trust their take on it as a technical best effort within the constraints, and their UL1449 3rd Edition verified status gives that trust some merit.POTENTIAL CONS/SUGGESTIONS:——————————–My SK5TEL holds into the wall very well, however, I would suggest to Tripp Lite that they offer a version that screws the unit into some outlets via the center pin.Consider offering a version that has 2.1A USB charging receptacles, though of course anyone can plug in charging units.Consider offering a GFCI version of it.UL1449 3rd EDITION:——————–Okay, so you read somewhere that you want a UL1449 verified/tested product with the lowest clamping voltage you can find, preferably down to 330V, <1 nanosecond response time (SK5TEL has <1ns), etc., but what added value does UL1449 3RD EDITION give us?UL1449 3rd Edition became effective 09/2009 (it's an ANSI standard, too, now). Any surge protection device (SPD) made after that must meet the new tests to be UL1449 verified. Why choose a product that meets the new edition of the certification (much less meets any old UL1449 cert.) if you are serious about surge protection? Here are two reasons:(1) It added a STRESS TEST for Type 3 SPDs (this is Type 3) called the Duty Cycle Test. They electrically whack it 15x to see if they can ruin its ability to protect, cause a fire or shock hazard, etc.(2) The UL1449 3rd Edition tests with 6x MORE SURGE AMPERAGE than the 2nd Edition test did.NOTES:-------Someone was wondering if this can be placed over a mount screw and the answer is yes, for us it is fitting over a standard duplex outlet receptacle with a mount screw in the middle.If you are plugging this into a GFCI wall outlet as I did, removing the plastic stability pole that goes into the lower outlet's ground was fast and easy (I used pliers).Beware that many small appliances can demand a LOT of power that can add up if used at the same time, so careful not too much at the same time on a single outlet. For example, this unit handles 1875 watts output, but you still want to be careful what you run simultaneously. Some examples (when running of course):- microwave (600w-800w small, 800w-1650w big)- toaster (800-1500w)- coffee pot (1000w-1500w)- hair dryer (400w-500w on low, 1500w-2000w on high)SOME OTHER UL1449 3rd EDITIONSURGE PROTECTORS:---------------------------------- FURMAN:Furman PST-8 Power Station Series AC Power ConditionerFurman PST 8D Advanced Level Power Conditioning, SMP, EVS, LiFT, 15 Amp, Aluminum Chassis, 8 Outlets, Isolated Outlet Banks, Cable & Telco Protection- AV/COMPUTER PROTECTION:Tripp Lite HT10DBS Home Theater Isobar Surge Protector 10 Outlet RJ11 RJ45 Coax- ISOTEL:Tripp Lite ISOTEL8ULTRA 8-Outlet ISOTEL Surge Protector (3840 Joules, Tel/DSL)Tripp Lite ISOTEL6ULTRA Isobar Surge Protector Metal RJ11 6 Outlet 6-Feet Cord 3330 JoulesTripp Lite ISOTEL4ULTRA Isobar Surge Protector Metal RJ11 4 Outlet 6-Feet Cord 3330 Joules- AVBAR:Tripp Lite AVBAR10 Isobar Audio Video Surge Protector 10 Outlet Tel/Coax 8 feet CordTRIPP LITE AVBAR8 Isobar Metal RJ11 RJ45 Coax 8 Outlet 8-Feet Cord A/V Surge Protector- CLASSIC PLASTIC LOOK:Tripp Lite TLP1008TELTV Surge Protector 120V 10 Outlet RJ11 Coax 8ft Cord 3345 JouleTripp Lite TLP810NET Surge Protector 120V 8 Outlet RJ11 RJ45 Coax 10ft Crd 3240 Joule
MJ –
Protect all your appliances with a UL1449 listed Surge Protector (SPD), <= 500 Volt VPR Tripp Lite SK3-0 3 Outlet Portable Surge Protector Power Strip, Direct Plug InThis is a very good surge protector, even better if you can get it at a good price. Per the label (see photo, L to R it's the Belkin, Monoprice, then Tripplite) it's tested/listed per UL1449, the standard for Surge Protective Devices (SPD). The Voltage Protection Ratings (VPR) are among the best -- I've seen VPR from 400 to 800 V (lower is better), and the Joule rating is decent. Here is how the Tripplite and two other surge suppressors I own rate:___________________________________VPR______Brand _____ #outlets __ PN _____ L-N _ N-G _ L-G __ JoulesTripplite ___3-outlet SK3-0 ______ 500_ 500 _ 400 __ 660Belkin _____1-outlet F9H100-CW _400_ 400 _ 400_ 1080Monoprice _1-outlet 115877 ____ 500 _ 500 _ 500 __ 540(L-N = Line to Neutral, N-G = Neutral to Ground, etc.)I've used multiple Tripplites for years without any issues. Tripplite has a similar 1 outlet but it's almost the same price as this more versatile 3 outlet. The Monoprice came in a nice eco-friendly cardboard box; the Belkin and Tripplite came in nasty plastic packages. When plugged into a duplex wall outlet, all three still let you use the other outlet (with the Tripplite plugged into the top, and the Belkin and Monoprice plugged into the bottom outlet). The Belkin has the best specs but usually a higher price. I've bought all three of these when the price dipped to around $6-7, often the price is higher like $9-11. I'll buy more of any of these when the price drops down, but I'll tell you what I will NOT buy: anything without UL1449 testing, anything with a 600 V, 800V or higher VPR, or something that advertises a lot of Joules but I can't find out the VPR.For surge protectors I'm more concerned about a good (low) VPR than I am about Joules. Joules indicates how much energy it can absorb before components in the suppressor blow and it no longer protects. Surges vary but let's assume a typical surge had 100 Joules of energy in it. Would you like to have a 800 V (bad) 2000 Joule (great) "surge protector" that lets 800 Volts through to your TV/microwave/computer/washing machine/etc. 20 times before the protected light goes out? I wouldn't. I'd rather have less voltage hitting the expensive device I'm trying to protect, and when the protector burns/wears out, I'll replace it. BTW I think I've only seen 1 time where the protected light went out in my decades of using them, and I have around 20 of various types (they might wear out faster if you live where there are more frequent lightning strikes).I recommend putting a surge protector on every appliance you have that has an electronic (microprocessor-controlled) control panel. If you have an ancient air conditioner, dishwasher, washing machine or microwave with all mechanical controls, you're lucky because it's lasted so long and it's not that vulnerable to surges. But for everyone else, protect your investment with a UL1449 listed Surge Protective Device like this with maximum 500 Volts VPR.The Tripplite says it filters RFI/EMI noise but doesn't state any specs. The Belkin claims to have up to 43 dB noise reduction from 150kHz to ~100MHz. 43 dB is good, but it's the maximum over that frequency range, so no way of telling how little the noise reduction might be at specific frequencies. The Monoprice doesn't claim to do any RFI/EMI filtering. Also the Tripplite and Belkin offer limited lifetime warranties and connected equipment warranties but the Monoprice does not. I have no experience trying to make any warranty claim on these.
weaselhead –
This is a surge protector at the top of the range. It is faster than most units, higher joule(energy) capacity on surge , better warranty and made by a leader in electronic device protection. I put this on a wall receptacle to protect an upright freezer. It is flatter than other units I researched and cost of losing food when the surge hits is multiple times more than this cost me. My appliance tech said this is a good investment and will save my freezer.
RMC –
My fiancée’s flossing electric toothbrush had such sensitive safety features that it would not work properly in her bathroom’s GFCI plug. On the advice of the toothbrush’s technical representative, we bought this single-plug inline surge protector (after reading reviews), and it absolutely solved the problem!
MARLON Vargas –
Este dispositivo me ha brindado la solución perfecta a mis aparatos, es pequeño, sencillo y funcional además de que brinda tranquilidad y eficiencia en su funcionamiento. Lo recomiendo ampliamente.
Roy –
Sin duda la marca respalda el producto, hasta el momento no he tenido inconveniente, excelente producto.
Daniel Arreazola –
Buen producto