Siemens P2 - Factory Assembled Panelboards Selection and Application; 3 Easy Steps for Selecting a Siemens P1 Panelboard; Main Breaker Panel Connectors; Gutters (Wiring Space)

10
Factory Assembled Panelboards
Selection and Application
1
1
1
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Siemens P1 Panelboard
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and interrupting rating of branch devices,
and modifications if any.
Example for standard lighting panelboard:
Amperage 250A
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 4ZTUFN 8
Main Main Lug
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Modifications None
Feed Location Top
Mounting Surface
Step 1
Step 2
– Create a catalog number by following the
Panelboard Catalog Numbering System on
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– Select enclosure size by the number of
circuits as shown in the panelboard main
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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
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 2+
 4QBDFT
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UBCMFPGTVCGFFECSFBLFSTPOQBHF5IF
box height remains the same.
Step 3
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
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Connector ranges indicated do not
apply to all main breaker types.
Refer to molded case circuit breaker
standard pressure wire connectors.
Boxes
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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
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box height.
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Connectors
Suitable for Cu or Al
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250
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Main Breaker Panel Connectors
Branch
Breaker
Main
Lug
Breaker Type
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Gutters (Wiring Space)
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Main
Breaker
Amp
Rating
Connectors
Suitable for Cu or Al
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Main Lug Connectors
Amp
Rating
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Width
Height
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Box Material Gauge
Gauge
Steel
Trim Material Gauge
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1
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Width
Height
Gauge
Steel
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“Series Rated” with an up stream protective device (circuit breaker or fuse).