Advanced Electronics Systems, Inc. has been a pioneer & leader in the power quality and protection industry since 1974! Our StediWatt family of Transient Suppressors and Power Control products are known throughout the electrical industry for quality, robust performance and long-term reliability. StediWatt's history of constant product innovation & enhancement assures you a lifetime of pure power and system protection of your valuable assets. StediWatt Power Quality & Transient Voltage Surge Suppression (TVSS) System is specifically designed to safely eliminate those external and internal surges and transients before they damage your sensitive electronic and electrical equipment. Our innovative SE Single Element Technology is designed to handle the most potentially damaging hi-energy transients without degrading. This provides a life-time grid of protection from external hazards, while it isolates all of your most sensitive electrical equipment and components from all kinds of unpredictable, nearby power corruption and adjacent overloaded circuits. You can count on StediWatt's 24/7 lifetime protection system and a quick payback because of the many collective benefits that prevent power problems and preserve your peace-of -mind, your productivity and your profits! TVSS's are used for primary level and secondary level protection in electrical and electronic applications. CETL®US, UL® and CUL®US listed. Over the last decade, the use of surge protective devices (SPDs) has increased due to the proliferation of electronics and microprocessors that are more susceptible to overvoltage surges due to lightning and switching disturbances. Surge protection needs within a building will vary depending on the surge withstand capability of the equipment being protected, level of protection desired, geography or location of the equipment and the functional criticality of the equipment. Products are available with 15 year warranty. Engineered and Assembled with pride in the USA.