Liebert STS2-PDU 400 Amp

Liebert STS2-PDU 400 Amp | FrontView
Liebert STS2-PDU 400 Amp | RearView
Liebert STS2-PDU 400 Amp | LeftSideView
Liebert STS2-PDU 400 Amp | RightSideView
Liebert STS2-PDU 400 Amp | ProductInUse
Liebert STS2-PDU 400 Amp | FeatureInfographics

The Liebert STS2-PDU from Vertiv is making it easier to protect your critical equipment by giving your single cord loads the reliability of dual cord power or by providing added redundancy to your dual cord devices. With a single, space-saving unit, the Liebert STS2-PDU static transfer switch/power distribution unit provides power distribution and automatic switching between two different AC power sources.


  • 100% rated, fuseless design
  • Static transfer switch with distribution
  • Provides computer-grade grounding Installs and maintains easily


  • Operates efficiently
  • Triple redundant logic with dual power feeds
  • Compact single cabinet conserves valuable floorspace compared to non-packaged solutions
  • A choice of distribution options to fit site requirements
  • Grounding automatically establishes a single point ground to meet manufacturer and code requirements
  • Fully compatible with the non-linear loads of modern computer systems and other electronic equipment
  • Standard on-unit monitoring and optional centralized monitoring capability provide continuous system visibility
  • Lowest Total Cost Of Ownership When applied as primary side switching, costs are lower due to requiring only one power distribution unit, a lower current due to 480V vs. 208V, and lower installation and wiring costs
  • Single cabinet design reduces installation time and cost UL listed as complete system

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