Square D

Square D QO403L100RB Load Center, 3 Phase, 3 Spaces, 3 Circuits, 100A Main Lugs, NEMA 3R

  • MPN: QO403L100RB
  • UPC: 785901207740
  • PPN: SCH-QO403L100RB
  • UNSPSC: 39121101

CAD

$194.60

/ EA

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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 3R enclosure. This product is UL and CSA rated.

Features

  • Engineered for a 100 Amp maximum capacity at 120/240 VAC, this main lug load center provides the robust, reliable power distribution required for demanding residential or light commercial applications. It is ideal for powering secondary structures like a detached garage, workshop, or outdoor living space, ensuring stable voltage delivery without overloading your main home panel.
  • Built with a rugged, NEMA Type 3R rainproof enclosure, this load center is specifically designed for outdoor installation, effectively shedding rain, ice, and snow. The durable metallic construction resists corrosion, saving you from premature replacement costs and ensuring long-term safety and code compliance in exposed environments.
  • This panel features a 3-space, 3-circuit configuration, specifically designed to accept standard QO circuit breakers. This compact layout eliminates guesswork during installation, providing the exact amount of space needed for dedicated, high-demand equipment like hot tubs, HVAC units, or EV chargers without paying for unused space.
  • Featuring straightforward top or bottom feed capabilities with a fixed main lug design, this panel streamlines the wiring process to significantly reduce installation time. The spacious gutter room allows for clean wire management and easy manipulation of larger gauge conductors, minimizing the frustration of cramped terminations.

Documentation & Downloads

Specifications

Key Specifications

Country of OriginCanada
Depth102 mm
Weight3710 g

Complementary Attributes

Ue Rated Operational Voltage208Y/120 V AC, 240/120 V delta AC, 240 V delta AC
Line Rated Current100 A

Important Information Attributes

Persona Type IdsEU, LC, OM, SC
Carbon Footprint Of The Distribution Phase A41.2541125, 1 kg CO2 eq.
Carbon Footprint Of The Installation Phase A50.0029273926, 0 kg CO2 eq.
Carbon Footprint Of The Use Phase B2 B3 B4 B60.1 kg CO2 eq., 0.087341
Local Publishable Date2026-06-02
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 galvannealed steel
Load Center TypeFixed Mains (lugs)
Mounting Modevertical
Number Of Spaces3
Product AvailabilityStock - Normally stocked in distribution facility
Range Of ProductQO
Software VersionEIME v5.9.4
Sustainable PackagingNo
Total Lifecycle Carbon Footprint29 kg CO2 eq.
Database Version2022-01
Height Nominal330 mm
Certificate AgencycULus
Customs Code8537109150
Warranty In Months18
Functional Unit Quantity1
Reference Lifetime In Y20
Persona Type NamesEnd User, Contractor, Original Equipment Manufacturer, Electrician
Carbon Footprint Of The End Of Life Phase C1 To C40.4 kg CO2 eq., 0.3889849265
Carbon Footprint Of The Manufacturing Phase A1 To A327 kg CO2 eq., 26.7720147059
Local Data StatusPublishable
Return IndicatorY
Weee Product Category5
Eoli Availability DisplayNo need of specific recycling operations
Reach Full Compliance Status IdCONTAINS_SVHC
Rohs Eur In ScopeYes
Rohs Eur Conformity Date2436
China Rohs In ScopeNo
Without Single Use PlasticNo
Tier Id3
Function Option IdSTANDARD
Market Segmentation IdCOMMERCIAL
Product Kit IdentifierN
Cover Typesurface cover
Electrical Connectionlugs
Energy Efficiency OptimizedFalse
Materialtin plated copper: busbar
Number Of Circuits3
Phase3 phase 4 wires
Product Or Component TypeLoad Center
ReturnabilityYes
Surface Finishbaked enamel Gray
Tightening Torquemain 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 LabelThe product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins.
Data Sourceextrapolated product
Width Nominal173 mm
Nbr. Of Units In Pkg.1
Short Circuit Current65 kA
Functional Unit DescriptionProtect 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 Unitunit
Recyclability Potential In %88

Environment Attributes Main

China Rohs RegulationProduct out of China RoHS scope , Product out of China RoHS scope. Substance declaration for your information.
Take BackNo
Mercury FreeYes
Environmental DisclosureENVPEP2212001EN
Nema Degree Of ProtectionNEMA 3R weatherproof enclosure
Packaging Without Single Use PlasticNo
Pep CodeENVPEP2212001EN
Pcr VersionPCR-ed3-EN-2015 04 02
Type Of Verification For The PepIndependent external review
Ambient Air Temperature For Operation-5 °C, -5 °C, 40 °C
Recycled Metal Content At Cr Level0 %
Carbon Footprint28.505380525
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

Phase3 phase 4 wires
Range Of ProductQO
Product Or Component TypeLoad Center

Contractual Warranty Attributes

Warranty Period18 months
Warranty18 months
Load Center, 3 Phase, 3 Spaces, 3 Circuits, 100A Main Lugs, NEMA 3R
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