ALLTEC Surge Protection Device, chống sét lan truyền ALLTEC Mỹ To ensure 99.999% of service availability and to prolong the service life of mission critical equipment, it is absolutely necessary for facilities to be equipped to effectively dissipate damaging levels of transient surge energy. UL 96A recommends that UL Listed surge protective devices should be installed on each electric service entrance in accordance with NEC Article 285, ANSI/NFPA 70. DynaShield® devices are available for Medium Voltage, Main and Sub Panel, Hardwired, DIN Rail, Data Signal and Custom SPD Applications. A complete LIGHTNING PROTECTION SYSTEM includes strike termination devices, surge protective devices, grounding electrodes and the required interconnecting conductors, connectors and fittings. Properly installed DynaShield® Surge Protection Devices reduce the magnitude of random, high energy, short-duration electrical power anomalies and keep your site operating reliably