Tripp Lite 3 Outlet Portable Surge Protector with 2 USB Charging Ports (2.1A total), 18 in. Cord
I bought this so my college student could protect their computer as they moved around campus, and charge their USB devices also. In use a couple months. I've used Tripplite surge protectors for years, and recently researched the latest UL 1449 edition 3 changes (ok, that edition came out in 2008; sorry for the delay). My general surge protector buying advice:
1. Look carefully for a low number for Voltage Protection Rating (VPR, which is new terminology in the edition 3 spec). This is often called the let-thru or clamping voltage. Lower is better; less voltage from the surge reaching your equipment. 400 Volts VPR is the best i've seen. TRAVELER3USB has it. I don't know how critical it is to protect all three wires (Line to Neutral, Line to Ground, Neutral to Ground) but i'd rather have them all protected. TRAVELER3USB protects them all at 400 V.
2. Get high enough Joules rating. Some surge protectors are only 200-780 Joules. I'd buy 500-1000 Joules if the price was low. I'm satisfied with 1050 Joules in the TRAVELER3USB.
3. Don't buy something unless you check 1 and 2 above. No specs? Don't buy. Junk likes to hide specs. Sometimes you may have to check the manufacturer's site to find all the specs. Tip: it's a good sign, though not a quality guarantee, if the online description and/or back of the product (sometimes visible in online pictures) says Type 3 SPD (Surge Protective Device), Voltage Protection Rating X (L-N, L-G, N-G). Type 3, SPD and VPR are terminology new to edition 3 of UL 1449. 2nd edition and earlier were called Transient Voltage Surge Suppressors and they had a less rigorous test. You have to trust the manufacturer that they have a legitimate, not counterfeit, UL 1449 rating.
4. Indicator light that protection is still working (the MOV's aren't burned out).
The Tripplite TRAVELER3USB is good on all of the above. It also has protected equipment insurance and a limited lifetime warranty. If the "Protected" light ever goes out on the Tripplite, I plan to call for a warranty replacement (not 100% sure they'll replace it, but I thought I saw an Amazon review somewhere that said they did).
If you are an Amazon Prime member, and don't need portability but would like more outlets, consider the APC P8U2, 8-Outlet Surge Protector 2630 Joules with USB Charger Ports. It has a better/higher Joule rating, but the VPR is not as good: L-N rating of 400V, L-G and N-G 500V.
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From the brand
Tripp Lite by Eaton Surge
Economical AC surge suppression for protection of sensitive equipment. Additional protection for coax, phone, and Ethernet available.
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We make what matters work. Powering and connecting everything from the desktop to the data center.
Eaton’s Tripp Lite business provides industry-leading digital infrastructure solutions to power and connect everything in your world. Our product and expert personnel allows us to bring you comprehensive and innovative solutions backed by quality, service and support you can trust.
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From the manufacturer
Protect your Notebook with a Compact, Portable Surge Protector
When you're on the go and grabbing power for your notebook computer where you can, you don’t have time to worry about a power surge damaging your electronic equipment and wiping out irreplaceable data. The solution for protecting your electronic devices is Tripp Lite's TRAVELER3USB Protect It! Surge Protector. In one compact, portable unit, the TRAVELER3USB provides extra outlets, reliable surge protection and USB charging capability for your notebook, tablet, smartphone and other portable electronic devices.
Product Summary
- Reliable surge protection for notebook computers, smartphones, tablets and more
- 1050-joule surge suppression rating
- Three 120V AC outlets; concealable 18 in. cord with right-angle plug
- Two USB charging ports, 2.1 amps total
- Lifetime product warranty
- Ultimate Lifetime Insurance
Stress-Free Travel, Three AC Outlets and USB Charging
When you’re on the go, outlets are often in short supply. The TRAVELER3USB offers an easy solution; it provides three 120V AC outlets to power your devices while requiring only one 120V AC wall outlet. And along with extra outlets, you’ll get surge protection and two USB charging ports. When it's time to move, the power cord wraps securely around the body and the plug tucks neatly away to prevent its prongs from scratching your equipment.
The TRAVELER3USB provides three 120V AC outlets, including one that will accommodate a bulky transformer without blocking remaining outlets, and an 18 in. power cord with right-angle plug. This gives you the ability to protect your notebook computer and two peripherals no matter where you plug in for power.
In addition to providing your notebook computer and peripherals with portable power protection, the TRAVELER3USB offers the convenience of USB charging. Two USB ports provide a total of 2.1 amps for fast charging of smartphones, tablets, MP3 players and other portable devices whenever the TRAVELER3USB is plugged into a wall outlet.
Surge Suppression, Improved Performance and Diagnostic Capability
The TRAVELER3USB provides a powerful 1050 joules of surge suppression to prevent even the strongest surges from damaging your valuable electronics. And remember, the higher the joule rating, the greater the protection. This surge protector includes Line to Neutral (L-N), Neutral to Ground (N-G) and Line to Ground (L-G) line surge suppression.
Various electromagnetic and radio sources can cause disruptive interference on the AC line. This line noise is a common cause of performance problems and data loss. The TRAVELER3USB incorporates technology that filters out disruptive line noise, preventing it from affecting your valuable equipment and data.
A green diagnostic LED verifies that surge protection is present, enabling you to recognize power problems before they affect your valuable equipment. If this green PROTECTED LED ever goes out, simply return the TRAVELER3USB to Tripp Lite for a free replacement.
Lifetime Warranty and Why Choose Tripp Lite?
The TRAVELER3USB has a lifetime product warranty and a rapid-response, no-questions-asked replacement policy that's unmatched in the industry. And it's simple: Ultimate Lifetime Insurance coverage begins the moment you purchase the TRAVELER3USB, with no forms to fill out or send in.
Founded in 1922 in Chicago, Illinois, Tripp Lite is a leading manufacturer of products to power, protect, manage, house, cool, connect and mount your equipment. With a large selection of connectivity products, Tripp Lite has everything from USB hubs and reversible USB cables to fiber-optic cables and over Cat5e/Cat6 signal extenders. Whether you need to connect high-speed networks to switches, routers and servers in your data center, or send high-resolution video signals to displays and digital signs, Tripp Lite has the complete solution. Plus, before and after your purchase, our Chicago-based, in-house technical support specialists are available to assist you by phone, email and live chat. With over 90 years of quality products and service, Tripp Lite is a brand you can trust.
Compare with similar items
This Item  Tripp Lite 3 Outlet Portable Surge Protector Power Strip, 18in Cord, 2 USB, & $25,000 INSURANCE (TRAVELER3USB) Black |  |  |  |  |  | |
| Price | -7% $33.87 List: $36.40 | $40.22 | $21.97 | -14% $35.10 Typical: $40.89 | -34% $48.99 List: $74.40 | $19.06 |
| Delivery | Get it as soon as Thursday, Jan 4 | Get it as soon as Wednesday, Jan 3 | Get it as soon as Wednesday, Jan 3 | Get it as soon as Wednesday, Jan 3 | Get it as soon as Wednesday, Jan 3 | Get it as soon as Wednesday, Jan 3 |
| Customer Ratings | ||||||
| Cord length | ||||||
| Value for money | ||||||
| Quality of material | ||||||
| For traveling | ||||||
| Durability | ||||||
| Sold By | Amazon.com | Amazon.com | TrickleStar Inc | Amazon.com | Amazon.com | Amazon.com |
| power outlets | 3 | 2 | 12 | 6 | 12 | 6 |
| number of ports | 3 | 2 | 12 | 6 | 12 | 6 |
| plug type | Type B | Type B | Type B | Type B | Type B | — |
| number of usb ports | 2 | — | 2 | 6 | — | 6 |
| amperage | 15 amps | 15 amps | — | 2.1 amps | 15 amps | 15 amps |
| voltage | 120 volts | 120 volts | — | 120 volts | 120 volts | 110 volts |
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Reviewed in the United States on June 24, 2017
Reviewed in the United States on November 4, 2023
Reviewed in the United States on June 25, 2021
You want a surge suppressor to have a 'fail-to-close' safety feature … oversimplified, "to stop power to your devices once surge protection expires." (Alternate related terms for this feature include 'fail-to-safe' or 'fail-to-shutdown' or 'automatic shutdown technology.') The product specifications sheet for this product, as well as the product description here, specifies it DOES have 'automatic shutdown technology.'
Oversimplified, a suppressor doesn't 'kick-in' until the voltage exceeds its 'clamping voltage/specification.' (Alternative related terms include 'UL1449 let-through' and 'voltage protection rating.') So you would want that number to be lower (to be better). Relying on various online sources, it appears safe to say that 330 volts is common on better suppressors, 400 volts is considered merely adequate, 500 volts is considered to be borderline inadequate. There is NO mention of the clamping voltage/specification for this product on this webpage. However, it IS specified on the back of the device as well as in the product specifications sheet: 400V.
The product IS UL-listed and DOES bear a UL holographic sticker. For a suppressor to obtain a UL listing & sticker, the maker must submit sample units to UL for testing that assures the device meets the UL 1449 standard for suppressors.
I would have preferred more joules and a lower clamping specification, of course, but this was the best-specification high-quality device I could find for the particular application … I needed a suppressor … that I could plug into a GFCI outlet … AND would also clear the kitchen sink garbage disposal on/off switch immediately to the left of, and sharing the faceplate with, the GFCI outlet. I've plugged an espresso-maker and a coffee bean grinder into it. The short cord and a 'strip' with just a couple of outlets works well for that.
1050 joules, 400v clamp, auto-shutdown and Tripp-Lite quality, taken together, ought be good enough to protect well those two devices.
For my application, the USB ports are moot.
It DOES have 3 AC outlets! Clamps @ 400 V. Has 'automatic shutdown' feature. UL-listed.
Reviewed in the United States on June 25, 2021
I've uploaded photographs so you can see the 3 AC outlets: 2 on the front, one on the back. That's not entirely clear in the stock/beauty photos. Those little things sticking out on each corner can act as "legs" so you can stand the device up on one side ... or the other ... to access all three outlets (and also the 2 USB plugs as well, if you stand it up on the correct side for that).Reviewed in the United States on June 25, 2021
You want a surge suppressor to have a 'fail-to-close' safety feature … oversimplified, "to stop power to your devices once surge protection expires." (Alternate related terms for this feature include 'fail-to-safe' or 'fail-to-shutdown' or 'automatic shutdown technology.') The product specifications sheet for this product, as well as the product description here, specifies it DOES have 'automatic shutdown technology.'
Oversimplified, a suppressor doesn't 'kick-in' until the voltage exceeds its 'clamping voltage/specification.' (Alternative related terms include 'UL1449 let-through' and 'voltage protection rating.') So you would want that number to be lower (to be better). Relying on various online sources, it appears safe to say that 330 volts is common on better suppressors, 400 volts is considered merely adequate, 500 volts is considered to be borderline inadequate. There is NO mention of the clamping voltage/specification for this product on this webpage. However, it IS specified on the back of the device as well as in the product specifications sheet: 400V.
The product IS UL-listed and DOES bear a UL holographic sticker. For a suppressor to obtain a UL listing & sticker, the maker must submit sample units to UL for testing that assures the device meets the UL 1449 standard for suppressors.
I would have preferred more joules and a lower clamping specification, of course, but this was the best-specification high-quality device I could find for the particular application … I needed a suppressor … that I could plug into a GFCI outlet … AND would also clear the kitchen sink garbage disposal on/off switch immediately to the left of, and sharing the faceplate with, the GFCI outlet. I've plugged an espresso-maker and a coffee bean grinder into it. The short cord and a 'strip' with just a couple of outlets works well for that.
1050 joules, 400v clamp, auto-shutdown and Tripp-Lite quality, taken together, ought be good enough to protect well those two devices.
For my application, the USB ports are moot.
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Reviewed in the United States on August 3, 2016
