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Factory Assembled Panelboards
Selection and Application
Siemens P1 Panelboard
Step 1
and interrupting rating of branch devices,
and modifications if any.
Example for standard lighting panelboard:
Amperage
250A
Main
Main Lug
Modifications
None
Feed Location
Top
Mounting
Surface
Step 2
– Create a catalog number by following the
Panelboard Catalog Numbering System on
Step 3
– Select enclosure size by the number of
circuits as shown in the panelboard main
A unique feature of the P1 panels is that
they can accommodate either feed-thru
lugs or one sub-feed circuit breaker (up to
250A) without any addition in box height.
For our example changing the branch
circuits to
box height remains the same.
10
600Y/347 Vac Max.
250 Vdc Max.
400 Ampere Mains
250 Ampere Maximum Subfeed
Breaker
CSA/UL Short Circuit Rating —
200,000A IR Maximum *
Breaker Symmetrical
Interrupting Capacity
Main Breakers
For main breaker selection please
Connector ranges indicated do not
apply to all main breaker types.
Refer to molded case circuit breaker
standard pressure wire connectors.
Boxes
End-walls are blank as standard.
End-walls with knockouts are
available.
Weight — Approximate
Total panelboard weight when filled
with a normal quantity of breakers and
box height.
Main Lug Connectors
Amp
Connectors
Suitable for Cu or Al
Rating
"Series Rated" with an up stream protective device (circuit breaker or fuse).
Main Breaker Panel Connectors
Amp
Connectors
Suitable for Cu or Al
Rating
250
Gutters (Wiring Space)
Main
Main
Breaker Type
Lug
Breaker
1
1
1
1
Box Material Gauge
Height
Width
Trim Material Gauge
Height
Width
Branch
Breaker
Gauge
Steel
Gauge
Steel
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