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 14 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 enhanced noise filtration system, Isobars offer the highest level of protection. 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 torroidal chokes, ferrite rod-core inductors, HF/VHF capacitors and multiple layers of metal oxide varistors into a complete surge and EMI/RFI noise reduction system. ISOBAR2-6 offers 2 outlets with network-grade surge suppression rated at 600 joules/48,000 amps. Widely spaced NEMA 5-15 outlets accommodate up to 2 large transformer plugs. Includes 6 foot AC line cord with space-saving angled input plug and keyhole mounting tabs.