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  • UL 1449 Rated Surge Protection
    voltages are rounded up to the nearest UL rating (i.e., a SVR of 380 Volts, would be classified as a UL 1449 400 rating), so please consult the manufacturer for the actual suppressed voltage rating.

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  • Power Quality Primer > Power Quality Standards
    Consequently, the same standards that are applicable to a surge protection device are applicable to UPSs , like UL 1449 and IEEE C62.41.
    D. Surge Suppression: Protect UPS system input elements, rectifier/battery charger, inverter, controls, and output components against voltage transients with surge suppressors listed in UL 1449 , and tested according to IEEE C62.41, Category B. E. Power Assemblies: Mount rectifier and inverter sections �
  • New products
    The Patriot's "features include full- time lightning and surge protection backed by UL 1449 , a rating normally reserved for quality surge suppressors; high voltage protection; full-time EMI/RFI protection; status indicator and alarms; and, an optional Check- UPS software and automatic shutdown �
  • Power Bar & Clamping Time Question - Self Help Forums
    It's safe to assume that all power bars from UPS manufacturers (such as APC) do have TVSS, but unless on the sticker it specifically states "camping time", "joule rating" or "response time" AND has " UL 1449 " approval, it is just �
  • IEEE Recommended Practice for Powering and Grounding Electronic Equipment - Redline
    e) Capable of protecting a UPS input and maintenance bypass/critical load with one system f) High reliability SPDs for ac power circuits should be product safety listed to UL 1449 -1996.