Product Brochure
| Load Center Selection & Application Guide
2
Load Centers
Catalog Numbering System
Type Enclosure or Component
E = Indoor Type 1 2-10 and 30-42 circuits 300-400Amp
G = Indoor Type 1 12-42 circuits
W = Outdoor Type 3R
I = Interior
R = Riser
P = PL Series Indoor Type 1 12-70 circuits
S = ES Series Indoor Type 1 12-70 circuits
PW = PL Series Outdoor Type 3R 12-70 circuits
SW = ES Series Outdoor Type 3R 12-70 circuits
Spaces
Maximum number of 1" breakers
Circuits
Maximum number of circuits
Type of Main
ML or L = Main Lug
MB or B = Main Breaker
System
1 = 1-Phase, 3-Wire
3 = 3-Phase, 3-Wire or
3-Phase, 4-Wire
Main Ampere Rating
Ex:100 = 100 Amps
Trim/Others
Blank = Combination
S = Surface
F = Flush
T = Feed-Thru Lugs
G or GB = Ground Bar Factory Installed
Type of Bus Bar
Blank = Aluminum
C or CU = Copper
P = Aluminum Bus, Value Pack
P 12 24 B 1 100 S CU
Products Shown In Sections 1 of
this Speedfax Meet or Exceed the
Following Standards.
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UL50 — Electric Cabinets and Boxes
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UL67 — Electric Panelboards
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UL486 — Wire Connectors
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UL489 — Molded-Case Circuit Breakers
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UL869 — Service Equipment
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UL943 — Ground Fault interrupters
(Class A — Personnel Protection)
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Federal Specification W-P-115b —
Panel Power Distribution
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Federal Specification W-C-375B —
Circuit Breakers
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NEC
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NEMA 250
Underwriters’ Laboratories, Inc.
Reference File Numbers:
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Series Connected Circuit Breaker
Information is recognized by UL under
file #E10848(N)
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Load Centers Listed by UL under file
#E10703
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Load Centers UL recognized components
found under file #E10703, Volume 6 and
7. (Also referenced under the recognized
components directory — section QEUY2)
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EQ Circuit Breakers are Listed by UL
under file #E82615