Specifications

Liebert STS2/PDU Static Transfer Switch/
Power Distribution Unit
Features Of The Liebert STS2/PDU Include:
True dual-bus power distribution switches
automatically or manually between two
AC power sources.
Computer-grade grounding automatically establishes
a single point ground to meet major manufacturers’
recommendations and the requirements of the
National Electric Code.
Fully compatible with the non-linear loads
of modern computer systems and other
electronic equipment.
Built-in metering and alarm annunciation with
communication to Liebert SiteScan
®
Web centralized
monitoring.
Compact single cabinet conserves valuable floorspace
compared to non-packaged solutions.
Single cabinet design reduces installation
time and cost.
The unit can be easily relocated to protect your
investment.
UL Listed as a Complete System to meet safety
requirements for fast, hassle-free inspection and
building code approvals.
A choice of distribution options to fit site
requirements.
Combines Power Distribution And Automatic Switching.
With a single, space-saving unit, the Liebert STS2 Static Transfer
Switch/Power Distribution Unit combines the switching capabilities
of the STS2 with the benefits of a proven power distribution unit.
Liebert designed the STS2/PDU to bring you a distribution system
that will close the power delivery loop in your critical facility. It
offers the benefits of a custom-tailored power system, with the
convenience and cost savings of a pre-packaged, factory-tested unit.
Housed in a single, self-contained cabinet, it combines distribution,
computer-grade grounding, isolation, and power monitoring, as
well as dual-source switching, to provide the protection your vital
computer or communications equipment demands.
Available in capacities from 250 to 800 amps, the Liebert STS2/
PDU offers flexible expansion capabilities to fit growing sites. The
packaged system approach of the Liebert STS2/PDU is convenient
and space-saving, reducing installation time and cost compared to a
conventional approach using multiple interconnected components.
Liebert Power Monitoring Capabilities
The operation of the Liebert STS2 and Liebert
STS2/PDU can be monitored using:
Liebert Nform
™
Monitoring System.
Liebert SiteScan
®
Web Centralized
Monitoring System.
Liebert Universal Monitor and Remote
Power Monitor Panels.
Third-Party Monitoring Systems.
For more information, see pages 52 and 53.
Power Distribution Systems
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