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, unique noise filtration system and built-in single line phone suppression for modems, 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. Isobar’s unique protection system combines large toroidal chokes, HF/VHF capacitors and multiple metal oxide varistors that remove high-level surges and EMI/RFI interference. ULTRAFAX features 2 outlets arranged with standard wall socket spacing in a cordless direct plug-in format. Mounting tabs allow permanent connection via duplex switch plate screw. Surge suppression rated at 1410 joules/48,000 amps offers high-grade protection. A pair of RJ-11 jacks provide single phone line surge suppression for modems, fax machines and cordless phones. Diagnostic LEDs confirm power availability, line fault and protection status. $10,000 Ultimate Lifetime Insurance (U.S., Canada, and Puerto Rico only). PLUG/OUTLETS: Input – NEMA 5-15P; Outputt – 2 NEMA 5-15R ELECTRICAL: 120V AC, 50/60Hz, 15A (Requires NEMA 5-15R wall receptacle) SUPPRESSION: AC: 140V RMS Clamping/1410 joules/48,000 amps PHONE: Single line protection starts at 260V FORMAT: Direct plug-in, receptacle mount form factor.