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. Isobar's unique protection system combines large torroidal 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. EURO-4 offers 4 outlets arranged in two filter banks to prevent system crashes, reboots and performance problems common as noisy system peripherals are powered off and on. Surge suppression rated at 680 joules offers network-grade protection. Widely spaced IEC320-C13 outlets accommodate up to 2 large transformer plugs without blocking outlets. Detachable IEC-320 C14 inlet connection accepts a variety of detachable cordsets to match country or site-specific wall receptacles. Two-meter C13 to C14 interconnection cable and keyhole mounting tabs included. PLUG/OUTLETS: Input: IEC320 C14 inlet/Output: 4 IEC320 C13 outlets/2m C13 to C14 interconnection cable included ELECTRICAL: 200-240V AC, 50/60Hz (Use at 120V supported) SUPPRESSION: AC: 300V RMS Clamping/680 joules FORMAT: Corded all-metal strip with transformer spaced outlets