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Product Model

Liebert® STS2 ST 250A

​​​Automatic Switching Between Critical Loads and Two Independent UPS Systems

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Best Suited For:
  • Data Center/Colocation/Hosting
  • Banking
  • Financial and Insurance
  • Government
  • Healthcare
  • Retail and Wholesale
  • Education
Warranty: One Year Limited Warranty Against Defects in Material and Workmanship

Benefits

Operates efficiently
Front access to all components provides simplifies installation and maintenance, and reduces amount of floorspace required for access.
Internal CANBUS protocol: high-bandwidth communication between system components via twisted-pair cables.
Triple redundant logic with dual power feeds.
Standard on-unit monitoring and optional centralized monitoring capability provide continuous system visibility.
When applied as primary side switching, cost are lower due to requiring only one power distribution unit, a lower current due to 480V vs. 208V, and lower installation and wiring cost.

Features

Automatic switching for dual bus loads
Requires only frontaccessfor easy installation and maintenance
Offers primary or secondary side switching
100% rated, fuseless design

The Liebert® STS2 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 static transfer switch provides automatic switching between two different AC power sources. The Liebert STS2 is available in 100A, 250A, 400A, 600A, 800A, 1000A, 1200A, 1250A, 1400A, 1600A, 1800A and 1850A systems, in both 60Hz and 50Hz. Multiple input voltages are available. Designed for use in dual-bus power applications, this solution combines fast switching between AC power sources, power isolation, monitoring and grounding into a single package.

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Vertiv™ Switchgear and Switchboard, USA
+1 864 375 1757
400 Supreme Industrial Drive Anderson South Carolina 29621 USA
Product areas of focus: Switchgear and Switchboard, Busway and Busduct
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