text.skipToContent text.skipToNavigation

Please note that change of context may affect the pricing and availability of the existing items in the cart

There was an unexpected error retrieving your customer data. Please try again later.
Choose Account Settings
Choose your account setting to continue*:
Main Account
(Sold To)
Job Account/Sub Account
(Payer)
Show Availability For
Location
(Ship-To)
Changing the selections above may affect product pricing and availability, including items currently in your cart.

Square D QO™ N3R Main Breaker Loadcenters 200 A 120/240 V 42 Space

Mfg #: QO142M200PRB
BOR #: 3199791
Looking for prices?

QO™ Main Breaker Loadcenters

  • NEMA 3R
See More
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™  
NEMA Rating NEMA 3R  
Height 37.99 in  
Number of Phases 1 phase 3-wire ,, 1 phase 3 wires  
Wire Size 4 AWG - 250 kcmil  
Voltage 120/240 V  
Bus Material Copper  
Includes Cover  
Box Number 8R  
Enclosure Type N3R Enclosure  
Number of Circuits 52 Circuit  
Cover Type NEMA 3R  
Square D QO Load Centers and Circuit Breakers Brochure - 998-1170221_US_B (pdf) Brochure
Small and medium project solutions, available now - brochure - 998-21381316_GMA-US_Small+and+medium+project+solutions+available+now (pdf) Brochure
QO and Homeline Load Centers and Circuit Breaker Installation Instructions - S1B33894 (pdf) Installation and Instruction Manuals
Digest Catalog 01: Load Centers - 0100CT1901_SEC-01 (pdf) Catalog
QO and Homeline Outdoor Load Centers - Installation Instructions - 40281-607-02 (pdf) Installation and Instruction Manuals
QO Standard Load Centers, Certificate, UL - E6294-20121201-CertificateofCompliance+QO130_QO142+PON (pdf) Compliance
Load Centers: Section 1 - Digest 179 (2024) - Load-Centers-CSEDs-Digest-Catalog-0100CT2401-SEC-01 (pdf) Catalog
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...

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...

The name already exists. Please enter a unique name.

Already Exists

List created successfully

You successfully added the product to your list with minimum order quantity.

Product Added

List updated successfully

empty name

There was a problem adding this product to your list. This may be because your list already contains 50 items.