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Surge Arresters and Transient Voltage
Surge Suppressors (TVSS)
surge protective devices (SPDs) for ac primary service
entrance, branch distribution panels and point-of-use applications |
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Surge arresters,
surge protective devices (SPDs ~ also called
TVSS (transient voltage surge suppressors) are for
your primary ac service entrance and
branch distribution panels. For
second stage protection inside the building,
plug-in
"point-of-use" surge suppressors are recommended . With use of both stages of
protection, and by also protecting any other paths of ingress into the
local electrical environment, i.e. cable or telephone lines, and with
proper wiring and up to code premises grounding, it is possible to safely
weather most electrical transient events. Of all the power quality
technologies out there, this area is the most cost-effective and is
considered a base minimum in facility power protection strategies.
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Cost-effective, yet powerful,
RCHW Series SPD units |
Hardwire arresters
(also called surge protective devices or SPD's, transient
voltage surge
suppressors or TVSS), are engineered to protect commercial/industrial
applications from surges and transients and be hardwire connected at the
primary electric service entrance, or at sub-panels or dedicated to certain
kinds of machinery.
The commercial/industrial page goes into more detail on
the specific models.
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Meter-base arresters
(now several generations advanced from
the original
patented Meter-Treater® ac meter-base whole house surge protectors).
These units are sold or leased through hundreds of electric utility
companies and rural electric associations. Installed directly behind the
meter, and connected to the ground rod directly below, they are the most
effective method of primary service entrance protection where standard types
of meters are used.
CareBase
note: if you have a
typical home with a 200 Amp meter /
panel,
this unit is our favorite choice for a primary whole house surge
protector / arrestor. (If you have a 400 amp service, use one of
the hardwired RCHW Series above). For an easy to read understanding of how
these work, please visit
Xcel Energy's transient voltage surge suppressor's overview page.
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Plug-in "point-of-use" second
stage
surge protectors
These cost-effective second stage surge protectors are for protecting
essentially any 120V single phase electrical devices of value in a home or
business.
The MT7 Plus
has seven outlets, and three modular bays for telephone, cable or
satellite TV, or LAN Cat 5 protection modules. |
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