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Square D QO™ N1 Main Breaker Loadcenters 200 A 120/240 V 42 Space

Mfg #: QO142M200PQ
BOR #: 3349060
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QO™ Main Breaker Loadcenters

  • NEMA 1
  • Equipment ground bar included with main lug Loadcenters
  • Service entrance equipment capable panels
  • Flush or surface mounting
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Product can be ordered only in multiples of
Brand Square D  
Interrupting Rating 22 kAIC  
Number of Spaces 42 Space  
Amperage 200 A  
Series QO™  
Depth 3.74 in  
NEMA Rating NEMA 1  
Height 39.37 in  
Number of Phases 1 phase  
Wire Size 4/0 AWG - 250 kcmil  
Voltage 120/240 V  
Bus Material Aluminum  
Cover - Catalog Number (Combination) QOC42UC  
Box Number 11Q  
Cover - Catalog Number (Flush) QOC42UF  
Cover - Catalog Number (Surface) QOC42US  
Number of Circuits 52 Circuit  
Cover Type Combination/Flush/Surface (Not Included)  
Small and medium project solutions, available now - brochure - 998-21381316_GMA-US_Small+and+medium+project+solutions+available+now (pdf) Brochure
Square D QO Load Centers and Circuit Breakers Brochure - 998-1170221_US_B (pdf) Brochure
Homeline Standard Load Centers, Certificate, UL - 20140502-E6294 (pdf) Compliance
QO and Homeline Load Centers and Circuit Breaker Installation Instructions - S1B33894 (pdf) Installation and Instruction Manuals
Load Centers: Section 1 - Digest 179 (2024) - Load-Centers-CSEDs-Digest-Catalog-0100CT2401-SEC-01 (pdf) Catalog
Square D Plug-on Neutral/Qwik-Grip Load Centers Brochure - Plug-on+Neutral+Load+Centers+with+Qwik-Grip+Wire+Management+System (pdf) Brochure
Get Modular Smart Panel Functionality for Less with Square D - SDE-HD+QO-Control+Relays-Monitor+Brochure (pdf) Brochure
Digest Catalog 01: Load Centers - 0100CT1901_SEC-01 (pdf) Catalog
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Tutorial for locating the catalog number, series number, and date code label on QO load centers. To...

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In this tutorial, we'll show you how to remove knockouts from QO™ and Homeline Load Centers,...

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Tutorial for installing the PKSB1HA Service Barrier into the QO™ & Homeline, 1 Phase, high ...

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In this tutorial, we'll show you how to remove knockouts from QO™ and Homeline Load Centers,...

Installing Qwik-Grip™ Fillers into Vacant Qwiklet Tabs | Schneider Electric Support

Tutorial for installing fillers into opened, unpopulated Quicklet Tabs on QO™ and Homeline Plug-On...

OLD Installing Bonding Screw on QO Load Centers | Schneider Electric Support

UPDATED Video Here: https://www.youtube.com/watch?v=aXPfxhSRM1k Demonstration of how to install the...

Converting QO™ 3ph Load Centers to Main Lug Operation | Schneider Electric Support

Tutorial for installing QOL3225 Main Lug Kit and Q2FP Filler Plate into QO™ 3 Phase, High-Amp...

Removing Quicklet Tabs for Running Wire in Qwik-Grip™ Load Centers | Schneider Electric Support

Tutorial for using pliars to remove Quicklet Tabs on QO™ and Homeline Plug-On Neutral Load Centers...

Installing Qwik-Grip™ Fillers into Vacant Qwiklet Tabs | Schneider Electric Support

Tutorial for installing fillers into opened, unpopulated Quicklet Tabs on QO™ and Homeline Plug-On...

Installing Replacement Directory Label in QO™ and Homeline Load Centers | Schneider Electric Support

Tutorial for installing the directory label in QO™ and Homeline Load Centers and CSEDs (Common...

Converting QO™ & Homeline NEMA1 1ph Load Centers for Bottom Feeding | Schneider Electric Support

Tutorial for using a double row QO™ & Homeline, 1 Phase, Convertible Main Load Center for bottom...

Installing Service Barrier in High Amp QO™ & Homeline 1ph Load Centers | Schneider Electric Support

Tutorial for installing the PKSB1HA Service Barrier into the QO™ & Homeline, 1 Phase, high ...

OLD Installing Bonding Screw on QO Load Centers | Schneider Electric Support

UPDATED Video Here: https://www.youtube.com/watch?v=aXPfxhSRM1k Demonstration of how to install the...

Installing Filler Plate in Low Amp QO™ & Homeline 1ph Load Centers | Schneider Electric Support

Tutorial for installing the QOM1FP Main Circuit Breaker filler plate into the QO™ & Homeline, 1...

Installing Replacement Directory Label in QO™ and Homeline Load Centers | Schneider Electric Support

Tutorial for installing the directory label in QO™ and Homeline Load Centers and CSEDs (Common...

Installing Filler Plate in High Amp QO™ & Homeline 1ph Load Centers | Schneider Electric Support

Tutorial for installing the QOM2FP Main Circuit Breaker filler plate into the QO™ & Homeline, 1...

Installing Service Barrier in QO™ & Homeline 1 Phase Load Centers | Schneider Electric Support

Tutorial for installing the PKSB1LA Service Barrier into the QO™ & Homeline, 1 Phase, low amperage,...

Installing Qwik-Grip™ Fillers into Vacant Qwiklet Tabs | Schneider Electric Support

Tutorial for installing fillers into opened, unpopulated Quicklet Tabs on QO™ and Homeline Plug-On...

Installing Service Barrier in High Amp QO™ & Homeline 1ph Load Centers | Schneider Electric Support

Tutorial for installing the PKSB1HA Service Barrier into the QO™ & Homeline, 1 Phase, high ...

How to Remove Knock-Outs from Electric Box QO & Homeline Load Centers | Knockout Hole Punch

In this tutorial, we'll show you how to remove knockouts from QO™ and Homeline Load Centers,...

Removing Twistouts from QO™ & Homeline Load Centers | Schneider Electric Support

Tutorial for removing twist-outs from QO™ & Homeline Load Center indoor cover trim or outdoor...

Bottom Feeding QO™ & Homeline NEMA 3R Outdoor Rated Load Centers | Schneider Electric Support

Tutorial for wiring QO™ & Homeline NEMA 3R outdoor rated load centers from the bottom endwall by...

Installing Cover Door Latch and Spring on QO™ & Homeline Load Centers | Schneider Electric

Learn how to properly install the cover door latch and spring set (part #4020284450K) on Schneider...

Installing Filler Plate in Low Amp QO™ & Homeline 1ph Load Centers | Schneider Electric Support

Tutorial for installing the QOM1FP Main Circuit Breaker filler plate into the QO™ & Homeline, 1...

Removing Twistouts from QO™ & Homeline Load Centers | Schneider Electric Support

Tutorial for removing twist-outs from QO™ & Homeline Load Center indoor cover trim or outdoor...

Installing Filler Plate in High Amp QO™ & Homeline 1ph Load Centers | Schneider Electric Support

Tutorial for installing the QOM2FP Main Circuit Breaker filler plate into the QO™ & Homeline, 1...

Installing Service Barrier in QO™ & Homeline 1 Phase Load Centers | Schneider Electric Support

Tutorial for installing the PKSB1LA Service Barrier into the QO™ & Homeline, 1 Phase, low amperage,...

Choosing Load Centers: Square D™ QO™ vs. Homeline™ Comparison | Schneider Electric

In this comprehensive video, we delve into the world of Square D™ load centers, specifically...

Choosing Load Centers: Square D™ QO™ vs. Homeline™ Comparison | Schneider Electric

In this comprehensive video, we delve into the world of Square D™ load centers, specifically...

Removing Twistouts from QO™ & Homeline Load Centers | Schneider Electric Support

Tutorial for removing twist-outs from QO™ & Homeline Load Center indoor cover trim or outdoor...

Installing Service Barrier in QO™ & Homeline 1 Phase Load Centers | Schneider Electric Support

Tutorial for installing the PKSB1LA Service Barrier into the QO™ & Homeline, 1 Phase, low amperage,...

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