QO Load Center 3 Phase 100A NEMA 1 3 Spaces 3 Circuits
Square D

Square D QO403L100S QO Load Center 3 Phase 100A NEMA 1 3 Spaces 3 Circuits

  • MPN: QO403L100S
  • UPC: 785901207757
  • PPN: SCH-QO403L100S

CAD

$149.03

/ EA

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Available to Ship Same/Next Business Day if In Stock and Ordered before 12:00 PM EST

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Spec sheet

Description

QO Load Centers offer premium features by allowing QO breakers, ground fault interrupters, arc fault interrupters, and surge arresters to be installed inside. QO Load Centers are designed for residential and industrial use to protect electrical systems, equipment, and people. They are available in both traditional and plug on neutral configurations. There is 3 types of mains available. There is main circuit breaker, main lugs, and generator panel. Single and three phase options are available. The bus bars are tin plated copper and are shielded. Indoor and outdoors enclosures are an option. QO Load Centers enable the use of a full complement of accessories. This 3 phase load center has 3 spaces and 3 circuits. This system provides 100A main lugs in a NEMA 1 enclosure. It also includes a surface cover, and is CSA and UL rated.

Features

  • This subpanel is specifically engineered for 3-phase, 3-wire or 4-wire configurations operating at 208Y/120V or 240V AC. It allows for balanced power distribution across commercial branch circuits, making it the perfect solution for dedicated light industrial machinery or specific HVAC equipment feeds.
  • The QO403L100S is designed as a fixed main lug only load center rated for 100 Amps. This configuration passes upstream main breaker protection directly to downstream branch circuits, allowing you to bypass the expense of an unnecessary secondary main breaker in subpanel installations.
  • It features 3 single-pole spaces allowing for up to 3 circuits, with zero tandem breaker compatibility to maintain strict code compliance. This compact footprint is purposely built for space-restricted utility closets where you need to isolate a small number of dedicated 3-phase loads without wasting wall space.
  • This premium Square D panel utilizes a high-conductivity, tin-plated copper busbar shield. The protective tin plating prevents copper oxidation and corrosion over time, guaranteeing a low-resistance electrical connection that runs cooler and minimizes long-term commercial maintenance callouts.
  • This heavy-duty load center boasts an industrial-grade 65 kA short circuit breaking rating to safely handle sudden, high-amplitude fault currents. This massive threshold ensures your installation easily satisfies stringent Canadian electrical code requirements near high-capacity utility transformers.
  • This product is fully CSA certified and cULus listed, arriving ready with a surface cover and a rugged NEMA 1 indoor rating. Constructed from welded sheet steel with a baked enamel grey finish, it resists scratching and environmental wear during rough-ins, delivering a clean setup that passes electrical inspections with flying colors.

Documentation & Downloads

Specifications

Key Specifications

Country of Origin
Mexico
Depth84 mm

Complementary Attributes

Line Rated Current
100 A

Important Information Attributes

Persona Type Ids
EU, LC, OM
[Ue] Rated Operational Voltage
208Y/120 V AC, 240/120 V delta AC, 240 V delta AC
Carbon Footprint Of The End-of-life Phase [C1 To C4]
0.3 kg CO2 eq., 0.2767978992
Carbon Footprint Of The Manufacturing Phase [A1 To A3]
19 kg CO2 eq., 19.0507058824
Local Data Status
Publishable
Return Indicator
Y
Stock Policy
2
Weee Product Category
5
Eoli Availability Display
No need of specific recycling operations
Reach Full Compliance Status Id
CONTAINS_SVHC
Rohs Eur In Scope
Yes
Rohs Eur Conformity Date
2436
China Rohs In Scope
No
Without Single Use Plastic
No
Tier Id
3
Function Option Id
STANDARD
Market Segmentation Id
COMMERCIAL
Product Kit Identifier
N
Cover Type
surface cover
Electrical Connection
lugs
Energy Efficiency Optimized
False
Load Center Type
Fixed Mains (lugs)
Number Of Circuits
3
Phase
3 phase 4 wires
Product Or Component Type
Load Center
Returnability
Yes
Surface Finish
baked enamel Gray
Tightening Torque
main lugs 35 lb.in, 14 AWG...10 AWG, aluminium/coppermain lugs 50 lb.in, 3 AWG...1 AWG, aluminium/coppermain lugs 40 lb.in, 8 AWG...4 AWG, aluminium/copper
Weee Label
The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins.
Database Version
2022-01
Pcr Version
PCR-ed3-EN-2015 04 02
Type Of Verification For The Pep
Independent external review
Functional-unit Description
Protect persons during 20 years against direct contact with live parts and allow grouping monitoring, control and protection devices in a single enclosure or a cabinet having the following dimensions 858mm×361mm×95mm, comply with UL 67 and CSA22.2 with an available offer:& 10•Suitable for use on 120/240 Vac and 48 Vdc systems& 10•Rated 30 to 400 amps 2 to 60 circuits& 10•3/4" circuit breaker width& 10•Single and three phase
Functional-unit Unit
unit
Energy Model - Manufacturing [A1-a3]
Energy model used: Lexington
Energy Model - Use [B6]
Electricity mix; AC; consumption mix, at consumer; 120V; US
Recyclability Potential In %
88
Width Nominal
146 mm
Short-circuit Current
65 kA
Package Weight(Lbs)
2.654 kg
Warranty (In Months)
18
Depletion Of Abiotic Resources - Fossil Fuels (Mj) Operational Energy Use [B6]
1.0634
Total Use Of Primary Energy During The Life Cycle (Mj) Operational Energy Use [B6]
1.1758
Water Pollution (M3) Operational Energy Use [B6]
4.3059
Persona Type NamesEnd User, Contractor, Original Equipment Manufacturer
Carbon Footprint Of The Distribution Phase [A4]0.8924142857, 0.9 kg CO2 eq.
Carbon Footprint Of The Installation Phase [A5]0.0020831042, 0 kg CO2 eq.
Carbon Footprint Of The Use Phase [B2 B3 B4 B6]0.1 kg CO2 eq., 0.087341
Local Publishable Date2026-07-14
Stocking FlagN
Weee ScopeIn
Scope PerimeterAt least in Europe
Reach Full Compliance StatusReference contains Substances of Very High Concern above the threshold
Reach Compliance DirectiveReference contains Substances of Very High Concern above the threshold
Rohs Eur StatusCompliant By Exemption
Rohs Eur Full Compliance StatusCompliant By Exemption
With Recycled CardboardNo
Product Contributes To Saved And Avoided EmissionsNo
Tier3
Function OptionStandard
Market SegmentationCommercial
Awg Gauge10 AWG...6 AWG copper
Device Compositiongrounding bar (ordered separately)
Enclosure Materialwelded sheet steel
Installation Directionvertical
Materialtin plated copper: busbar
Number Of Spaces3
Product AvailabilityStock - Normally stocked in distribution facility
Range Of ProductQO
Software VersionEIME v5.9.4
Sustainable PackagingNo
Total Lifecycle Carbon Footprint20 kg CO2 eq.
Pep CodeENVPEP2212001EN
Pep Verification Date2023-08-01
Psr VersionPSR-0005-ed2-EN-2016 03 29
Data Sourceextrapolated product
Functional-unit Quantity1
Reference Lifetime In Y20
Energy Model - Installation [A5]Electricity mix; AC; consumption mix, at consumer; 120V; US
Energy Model - End Of Life [C1-c4]Electricity mix; AC; consumption mix, at consumer; 120V; US
Height Nominal330 mm
Certificate AgencycULus
Nbr. Of Units In Pkg.1
Take-backNo
Air Pollution (M3) Operational Energy Use [B6]7.4172
Total Use Of Non-renewable Primary Energy Resources (Primary Energy And Primary Energy Resources Used As Raw Materials) (Mj) Operational Energy Use [B6]1.1052
Use Of Non-renewable Primary Energy Excluding Non-renewable Primary Energy Resources Used As Raw Materials (Mj) Operational Energy Use [B6]1.1052
Customs Code8537109150

Environment Attributes Main

China Rohs Regulation
Product out of China RoHS scope , Product out of China RoHS scope. Substance declaration for your information.
Take Back
No
Mercury Free
Yes
Environmental Disclosure
ENVPEP2212001EN
Nema Degree Of Protection
NEMA 1 indoor enclosure
Packaging Without Single Use Plastic
No
Pep Code
ENVPEP2212001EN
Pcr Version
PCR-ed3-EN-2015 04 02
Type Of Verification For The Pep
Independent external review
Ambient Air Temperature For Operation-5 °C, -5 °C, 40 °C
Recycled Metal Content At Cr Level0 %
Carbon Footprint20.3093421714
Eu Rohs DirectiveCompliant By Exemption
Packaging Made With Recycled CardboardNo
Reach RegulationReference contains Substances of Very High Concern above the threshold
Pep Verification Date2023-08-01
Psr VersionPSR-0005-ed2-EN-2016 03 29

General Attributes

Phase
3 phase 4 wires
Range Of Product
QO
Product Or Component TypeLoad Center

ETIM

ETIM 8
EC000214
ETIM 9EC000214

Contractual Warranty Attributes

Warranty Period
18 months
Warranty18 months
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