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  • Tripp Lite ISOBAR8ULTRA Isobar Surge Protector Metal 8 Outlet 12 feet Cord 3840 Joules
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Tripp Lite ISOBAR8ULTRA Isobar Surge Protector Metal 8 Outlet 12 feet Cord 3840 Joules

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List Price: $92.00
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  • Tripp Lite's ISOBAR is the world's #1 selling premium suppressor series with more than 18 million satisfied customers and a safety-tested history of 20+ years
  • Robust surge suppression with sine-wave tracking protects against the heaviest of surge conditions, exceeding IEEE category A & B specifications and reducing 6,000V test surges to harmless levels less than 35 volts
  • Multi-component suppression circuits combine toroidal chokes, ferrite rod-core inductors, HF/VHF capacitors and multiple layers of metal oxide varistors into exclusive isolated filter banks that remove EMI/RFI interference
  • 8 outlets arranged in four filter banks prevent system crashes, reboots and performance problems common as noisy peripherals are powered off and on
  • Network grade surge suppression rated at 3840 joules/97,000 amps
  • $50,000 Ultimate Lifetime Insurance; lifetime product warranty
  • 8 surge-protected AC outlets, widely spaced to accommodate up to 4 transformers
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92 new 3 used from $40.00

Frequently Bought Together

Tripp Lite ISOBAR8ULTRA Isobar Surge Protector Metal 8 Outlet 12 feet Cord 3840 Joules + Tripp Lite ISOBAR6ULTRA Isobar Surge Protector Metal 6 Outlet 6ft Cord 3330 Joules + Tripp Lite ISOBAR4ULTRA Isobar Surge Protector Metal 4 Outlet 6 feet Cord 3330 Joules
Price for all three: $134.99

Buy the selected items together


Special Offers and Product Promotions

  • Amazon Free 30-Day Tech Support: This item is eligible for free tech support for 30 days from the date of delivery. Over the phone, our trained technicians can help you set up, configure, connect, and troubleshoot so you can start enjoying your new purchase. Owners of qualifying products can reach Tech Support by calling 1-800-362-5703. Learn more


Product Details

  • Product Dimensions: 11.5 x 3 x 7 inches ; 3.6 pounds
  • Shipping Weight: 4 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B0000511U7
  • Item model number: ISOBAR8ULTRA
  • Average Customer Review: 4.8 out of 5 stars  See all reviews (205 customer reviews)
  • Amazon Best Sellers Rank:
  • Date first available at Amazon.com: September 4, 1999

Product Description

From the Manufacturer

Tripp Lite ISOBAR8ULTRA Surge Protector: Exclusive Isobar Technology for Premium Protection

The ISOBAR8ULTRA provides 3840 joules of surge protection for connected equipment. (More joules = more protection.) Tripp Lite's exclusive Isobar surge suppression technology, combined with a nearly indestructible metal case, stops even the strongest surges before they can damage or destroy sensitive equipment. The ISOBAR8ULTRA also features unique isolated filter banks that block disruptive EMI/RFI line noise interference and prevent mutual interference between connected components. These premium features make the ISOBAR8ULTRA ideal for a wide range of applications, from data centers to desktop computer systems.

The ISOBAR8ULTRA provides 8 AC outlets arranged in 4 isolated filter banks (2 per bank). Outlets are widely spaced to accommodate up to 4 large transformers without blocking remaining outlets. Diagnostic LEDs confirm power availability, line fault and surge protection status at a glance. The ISOBAR8ULTRA features a 12-ft. foot power cord with space-saving right-angle plug, keyhole mounting tabs and a set of 4 covers to safeguard unused outlets. The ISOBAR8ULTRA comes with $50,000 Ultimate Lifetime connected equipment insurance (USA/Canada only) and a lifetime manufacturer's product warranty.

The Tripp Lite ISOBAR8ULTRA
The Tripp Lite ISOBAR8ULTRA stops even the strongest surges before they can damage or destroy sensitive equipment
Powerful Surge Protection and Performance Enhancement

More joules mean more protection. The ISOBAR8ULTRA's 3840-joule surge suppression rating, Isobar surge protection technology and rugged all-metal housing shield connected equipment from even the strongest surges. EMI/RFI line noise filtering helps components perform at their peak. Line noise filtering eliminates performance problems that can be caused by radio transmissions, fluorescent lighting and appliances, while promoting longer component life spans.

The ISOBAR8ULTRA Architechture
Isobar's robust surge-blocking architecture provides the highest level of protection available. View larger
Exclusive Isolated Filter Banks

Devices connected to the same surge suppressor can interfere with one another's performance—for instance when household appliances (blenders, refrigerators, fans) degrades TV picture and sound quality. The Isobar is the only surge suppressor with internal barriers (called isolated filter banks) that prevent disruptive line noise from causing A/V distortion, computer lock-ups, data errors and similar problems. Isolated filter banks ensure that peripheral devices and appliances don't degrade the performance of computers and sensitive A/V components.

Built-In Diagnostic LEDs

Three diagnostic LEDs (LINE OK, GROUND OK & SURGE OK) show power and protection status at a glance.

Versatile Installation Options

The ISOBAR8ULTRA features a 12-ft. cord to reach distant outlets. A space-saving right-angle plug allows office furniture, cabinets, etc. to be placed flush against the wall. The ISOBAR8ULTRA's rugged all-metal case stands up to harsh environments such as warehouses, garages and factory floors. The case is equipped with keyhole mounting tabs to facilitate permanent installation on or under counters and worktables, on walls, etc. Included outlet covers (set of four) may be used to safeguard unused outlets.

Ultimate Peace of Mind

The ISOBAR8ULTRA comes with $50,000 Ultimate Lifetime Insurance coverage for connected equipment—guaranteed lifetime protection against damage due to surges, including direct lightning strikes (USA/Canada only). Ultimate Lifetime Insurance coverage begins the moment you purchase your Tripp Lite surge suppressor—no forms to fill out or send in. Additionally, all Tripp Lite surge suppressors are backed by a lifetime product warranty and a rapid-response, no-questions-asked replacement policy.

Technical Specifications
  • Voltage compatibility: 120 VAC
  • Frequency compatibility: 50/60 Hz
  • Output volt amp capacity (amps): 12
  • Overload protection: 12-amp circuit breaker
  • AC suppression rating (joules): 3840
  • Outlet quantity/type: 8 x 5-15R (includes 4 outlet safety covers)
  • Input cord: 12'
  • Input plug: 5-15P right-angle
  • Switches/LEDs: Lighted On/Off power switch/Circuit breaker reset button/3 diagnostic LEDs
  • Dimensions (HxWxD): 2.5" x 9" x 3.5"
  • Weight: 3.3 lbs
  • Material of construction: Metal
  • Agency approvals: UL1449, UL1283, UL1363, cUL, Exceeds IEEE 587 category A&B specifications, RoHS

How Much Protection Do You Need?

Tripp Lite Isobar® Premium Surge Suppressors are available with a wide range of features to provide reliable, cost-effective surge protection and performance enhancement for all your valuable electronics.

ISOBAR825ULTRA Isobar® Premium Surge Suppressor

This all-metal surge suppressor features a 3840-joule surge protection rating, 8 outlets spaced to accommodate 4 transformers. Premium Isobar surge suppression technology stops even the strongest surges. Outlets are arranged in 4 isolated filter banks that eliminate line noise interference. Extra-long 25-ft. power cord with right-angle plug easily reaches distant outlets. $50,000 Ultimate Lifetime Insurance; lifetime product warranty.

ISOBAR6ULTRA Isobar® Premium Surge Suppressor

This all-metal surge suppressor features a 3330-joule surge protection rating, 6 outlets spaced to accommodate 3 transformers. Premium Isobar surge suppression technology stops even the strongest surges. Outlets are arranged in 3 isolated filter banks that eliminate line noise interference. 6-ft. power cord with right-angle plug. $50,000 Ultimate Lifetime Insurance; lifetime product warranty.

ISOBAR4ULTRA Isobar® Premium Surge Suppressor

This all-metal surge suppressor features a 3330-joule surge protection rating, 4 outlets spaced to accommodate 2 transformers. Premium Isobar surge suppression technology stops even the strongest surges. Outlets are arranged in 2 isolated filter banks that eliminate line noise interference. 6-ft. power cord with right-angle plug. $50,000 Ultimate Lifetime Insurance; lifetime product warranty.

ISOBAR6DBS Isobar Audio/Video Surge Suppressor

Ideal surge protection for small to medium A/V installations. This all-metal surge suppressor features a 2850-joule surge protection rating. Premium Isobar surge suppression technology stops even the strongest surges. The ISOBAR6DBS provides 6 outlets arranged in 3 isolated filter banks, 2-line gold coaxial surge protection, single-line RJ11 tel/modem surge protection, 6-ft. power cord with right-angle plug, $250,000 Ultimate Lifetime Insurance and lifetime product warranty.

Product Description

For more than 20 years, America's leading companies have trusted Tripp Lite's Isobar Premium surge and noise suppressors to protect sensitive computer, networking and telecom equipment. With more than 18 million satisfied customers, the Isobar remains the world's #1 selling premium surge suppressor. Loaded with a generous combination of high quality components, near indestructible all-metal case and unique noise filtration system, the Isobar offers the highest level of protection attainable in a multi-outlet strip. Robust surge suppression circuits with sine-wave tracking offer extreme levels of protection against the heaviest surge conditions exceeding IEEE 587 category A & B specifications and reducing 6,000V test surges to harmless levels under 35 volts. Isobar's unique protection system combines large toroidal chokes, ferrite rod-core inductors, HF/VHF capacitors and multiple layers of metal oxide varistors into exclusive isolated filter banks that remove EMI/RFI interference, even noise generated by other pieces of connected equipment. ISOBAR8ULTRA offers 8 outlets arranged in four filter banks to prevent system crashes, reboots and performance problems common as noisy system peripherals are powered off and on. Surge suppression rated at 3840 joules/97,000 amps offers network-grade protection. Widely spaced NEMA 5-15 outlets accommodate up to 4 large transformer plugs without blocking outlets. Diagnostic LEDs confirm power availability, line fault and protection status. Includes 12 foot AC line cord with space-saving angled input plug, keyhole mounting tabs and a set of 4 child safety covers.

Customer Questions & Answers

Customer Reviews

Well built, heavy duty construction.
Greg Bass
Thankfully I've never had to test the surge protection so I can't attest to how well that works, but the power strip itself works very well.
Kyle Cronin
ISOBAR surge protectors are designed to be highly survivable in addition to doing their job of protecting your equipment.
Neil E. Isenberg

Most Helpful Customer Reviews

35 of 35 people found the following review helpful By Barb E. Hose on August 13, 2007
Tripp lite has a great warranty, we purchased one, got struck by lightening. It saved my computer equipment, but burnt the protector. Tripp lite replaced it free of charge. I've had others on other electronic equipment in the house that have not lasted or protected as well. I'll buy tripp lite after this for all my valuable equipment.
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28 of 28 people found the following review helpful By Chris D on July 11, 2011
Verified Purchase
Purchased this Surge Protector for additional computer appliances, I own already 3 Tripp Lite Surge Protectors and they have proofed to be the perfect protection. I like about them that they are built in a robust metal housing, have a flat wall plug (so they fit perfectly behind furniture) and Tripp Lite gives you lifetime warranty/replacement - I went through it and their service is exceptional, read below if you want to know more.

I had a very nasty experience a month ago when the transformer for our apartment building blew up... there was a short spike in the power supply which roasted most large kitchen appliances and a few other things in my home. Luckily I had installed Tripp Lite Surge Protectors for my TV set as well as for all my computer peripherals - the Surge Protectors took the hit and protected all things behind them.

Now the best thing and why I would always go again with Tripp Lite; After the incident I called Tripp Lite to find out if I can reset the surge protectors, they told me at the phone that the spike must have been to much and that I need new ones. At that moment I already was thinking to go and shop, but they actually asked me for my address, the serial number of the surge protectors and hey 3 days later I had brand new replacements in the mail!!! That is the customer service we all love!
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37 of 39 people found the following review helpful By Andy S. on August 2, 2008
The Isobar is a much better built alternative to the run-of-the-mill powerstips available at most electronics stores. Not only is it a very good surge protector, but it will also help filter and isolate your components which can sometimes help performance.

If you've ever noticed a "pop" through your speakers when an appliance in your house turns on, or if you sometimes get a humming noise, the Isobar will most likely solve that for you. It is a much better solution to a ground loop than using a cheater plug (which is not always safe). Plus the line fault indicator might point out a problem you never knew you had in your wiring.

Can't beat it for the price, and can't beat it for much more than the price. A great pickup for the home or office.
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19 of 19 people found the following review helpful By SK on April 2, 2012
Verified Purchase
I can't really review on it's surge protection until surge happens.

But one thing I can share with people is that this surge protector filters EMI noise so treadmill motor won't trip AFCI circuit breaker. I have a treadmill with 12 amp motor in 15 amp AFCI circuit. Treadmill was keep tripping the breaker even though motor wasn't pulling more than 12~13 amps. Later, I researched online and some people suggested using a surge protector with EMI filter and mentioned this product.

Treadmill is working beautifully and it hasn't tripped the breaker since then.
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17 of 17 people found the following review helpful By brainout on September 20, 2012
Verified Purchase
Edit, 3/19/14: bought two more of these. Have had many storms and outages since this review. Happy camper.

I'm a Panamax fan, but the recent Panamax models have opted to make a screwball side-plug design which WASTES SPACE.. so I reluctantly had to pick another brand. The only two others I trust are Belkin and Tripp-Lite, since I already have both, and they've saved my equipment many times. (I seem to experience a storm or other outage at least once a month for over 20 years, no matter where I've lived.)

But the Belkin, doesn't specialize in filtering out line noise; Tripp-Lite, does. So, this Isobar, which I just bought here at Amazon, is just like my other one, except larger and more powerful. It WILL accommodate a large adapter -- maybe not all versions. I have an old ZIP parallel power supply, which is the largest adapter I own. It will fit without obscuring the plugs beside it, though barely. Most other adapters are smaller than the Zip, so should fit. Pick the outermost plugs on the ISOBAR (or any other surge suppressor), see if that works. If it doesn't, get a top-priced Belkin model that has good reviews. BE SURE to check the reviews, as not all Belkin models are good. (I bought one recently that I returned to Amazon because it had serious issues with the power on/off switch that reviewers reported.)

NEVER scrimp on cost with a surge suppressor. ALWAYS get the best model you can afford. Having said that, you don't need to buy more protection than you need. But never settle for a power strip alone, and never settle for a lower-priced knock-off.

The Isobar shines in two ways: a) eliminating line noise, and b) sensibly deciphering a real threat from mere variance. Look at the other reviews here about treadmills.
Read more ›
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The manufacturer commented on this review(What's this?)
July 24, 2014
Thank you for your feedback and I am pleased that you are satisfied with your ISOBAR! I wanted to address your comments regarding the insurance. The ISOBAR8ULTRA comes with $50,000 Ultimate Lifetime Insurance, meaning Tripp Lite warrants, for the lifetime of the product, to repair or replace directly connected equipment that is damaged due to power transients while properly connected to the ISOBAR8ULTRA. The maximum payout for the ISOBAR8ULTRA is $50,000. You can find the complete details of our insurance policy on our website. Thanks again.
28 of 31 people found the following review helpful By Sam on December 6, 2008
Verified Purchase
[July, 2012 update. I still have and use all of the TRIPP surge protectors. I don't know how many hundreds of brown-outs and black-outs (or possibly power surges) we had in the past 4+ years but not one electronic component has failed.]

I literally own about 10 of these. I have them on every electronic device that doesn't require battery backup (e.g., computers, entertainment centers).

It's nuts not to have either a good surge protector (not the junk you find in hardware or office supply stores) on multi-thousand dollar electronics or even $200 microwaves or rechargers. I had neighbors that lost their microwaves and televisions when we had storms.

Over the years, I did have one or two die on me. I called Tripp-Lite and they immediately sent me a replacement with no fuss.

It amazes me that people spend so much money on electronics and won't spend a penny or buy a $12 "surge protector" which is just a power strip.

I have a high-end washing machine that had to be repeatedly repaired because the electronics were fried due to the terrible electric supply quality (constant outages, brown-outs). Eventually, the warranty service told me they wouldn't make any more repairs unless I had a surge protector. I bought one and the washing machine hasn't had a problem in over 7 years.

I also have a fairly expensive refrigerator that's loaded with electronics. I put a Tripp Lite on that and every other electrical device in my house and I have never, ever had a device failure.

I'm astonished that people buy a new expensive electronic device and not use any surge protection. Probably the same type of people who never back up their hard disks and then go nuts when they lose years worth of data.
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