Liebert LM Series Surge Protective Device

Liebert LM Series is a multi-mode surge protective device that offers continuous protection from damaging transients and electrical line noise. The system uses patented circuitry to monitor the status of all protection modes, including neutral to ground. In addition, high isolation form C dry contacts provide for remote monitoring of suppression system failure, and phase and power loss.

The Liebert LM Series surge protective device is available in surge ratings from 60kA to 250kA, multiple voltages, 60Hz or 50Hz.

Features and Benefits:

  • Surge suppression range of 60 to 500 kA per phase
  • Industry's highest surge current repeatability
  • UL rated 200k AIC with component level fusing for safe operation
  • Sine wave tracking, EMI/RFI filtering
  • ANSI/IEEE C62.11, C62.41, C62.45 categories A, B, and C3 tested
  • Tested to NEMA LS1
  • NEMA 12 enclosure with 3R, 4, and 4X options available
  • 5-year warranty
  • 2 sets of Form C dry contacts
  • Modular design allows for flexibility
  • Surge suppression range of 60 to 500 kA per phase
  • Internal/external monitoring, including neutral to ground
  • UL rated 200k AIC with component level fusing for safe operation
  • All modes of protection standard, any combination optional
  • Choice of options
    • Disconnect
    • Audible alarm
    • Transient counter
    • Remote monitor panel
    • Test set

Downloads & Documentation

See below for documentation relating to this product line that is available to download. To download this documentation, please click on the desired document you’d like to download and fill out the required form information fields. You will be able to view and download the documents upon completion of the download form.

  • Vertiv Liebert LM Series Sales Brochure
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