
P1 Panelboards • Quick reference for selection and application
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Introducing the Siemens Revised P1 Panelboard
Siemens is proud to introduce new,
innovative additions to the P1 series
of panelboards. The new “Revised
P1” Panelboard increases the
flexibility and customization options
available in Siemens already robust
panelboard line of products.
Siemens New “Revised P1” Panelboard
Siemens new Revised P1 panelboard adds additional strength
and flexibility, through the introduction of Non-Feed-Thru
options, to the already rugged, best-in-class line of panelboards.
By now offering both Feed-Thru (FT) and Non-Feed-Thru (NFT)
configuration options, Siemens offers even greater flexibility
and potential for customers to configure solutions that are
optimized to meet the many unique application and budgetary
requirements that today’s projects demand.
For applications where additional space for feed-thru lugs, a
subfeed breaker, or an SPD device isn’t required, the new NFT
P1 option is an ideal solution. The NFT Revised P1 features
an enclosure that is 6” shorter than a comparably configured
P1 with a FT design. Additionally, the NFT design can
accommodate 12 circuits more than the FT design panelboard
in the same sized cabinet.
Extended Circuitries
In addition to the new NFT options, Siemens P1 line of
panelboard products now offer extended circuit options that
take advantage of the elimination of the 42 circuit rule in
the National Electric Code. New, higher 54 and 66 circuit
options allow for the elimination of a second cabinet in many
applications that would have previously required it.
The extended circuit options also facilitate the configuration
of P1 panelboard solutions for many applications that have
traditionally required the use of a P2 or P3 panelboard, thus
significantly reducing costs.
Adaptability
The new NFT design, coupled with the extended circuitries
offer additional options for adding circuits to existing Siemens
P1 with the Feed-Thru design. Where a 42 circuit FT P1
panelboard needs additional circuits but is not utilizing the
provided subfeed space, the interior can be replaced by a new
54 circuit NFT design interior. This saves the customer the cost
of a new enclosure and cover while still providing the option
for extended circuitries.
This selection and application guide is designed to provide
full insight into these and many other new features,
enhancements and options that will allow you to take full
advantage of the flexibility and customization options Siemens
offers to configure the P1 panelboard that best meets your
specific needs.
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