Emerson 65 Fascicule

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Surge Protection 
For Business-Critical Continuity
The Liebert PanelGuard Extension is 
an add-on device for integration with
panelboards 
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bssiittee for 
enhanced surge suppression. 
Liebert PanelGuard Extension
minimizes data corruption, errors,
system re-boots and component
failure. Sine wave tracking circuitry
filters high frequency electrical line
noise. Patented component level
monitoring, including neutral to
ground, allows status detection in 
real time.
Features & Benefits
Flexible mounting (top or bottom)
to virtually any panelboard.
Universal panelboard application 
can be used with most major
manufacturers.
UL 1449 and UL 1283
Surge current capacity levels from
130kA per phase to 200kA per phase.
Standard features include all modes
of protection, unit status indicators
and isolated form C dry contacts.
Options include: audible alarm,
transient counter.
Liebert
®
PanelGuard
™ 
Extension
Clean Power Distribution For Electronic Panelboards