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™ Main Lug Only/Convertible Loadcenters 125 A 120/240 VAC, 120/208Y VAC 20 Space

Mfg #: QO320L125G
BOR #: 155819
Looking for prices?

QO™ Series Main Lug Only/Convertible Loadcenters

  • QO® Circuit Breaker Loadcenters UL Listed
  • Designed to meet residential, commercial, and industrial requirements to protect electrical systems, equipment, and people.
See More
Product can be ordered only in multiples of
Brand Square D  
Depth 14-1/4 in  
Series QO™  
Amperage 125 A  
NEMA Rating NEMA 1  
Depth (Fraction) 14-1/4 in  
Circuit Breaker Type QO  
Voltage 120/240 VAC, 120/208Y VAC  
Number of Phases 3 phase 4 wires ,, 3 phase 3 wires  
Includes Order Cover Separately  
Wire Size 6 - 2/0 AWG  
Box Number 7  
Bus Material Copper  
Cover - Catalog Number (Surface) QOC24US  
Cover Type Flush/Surface  
Cover - Catalog Number (Flush) QOC24UF  
Number of Spaces 20 Space  
Number of Circuits 20 Circuit  
QO and Homeline Load Centers and Circuit Breaker Installation Instructions - S1B33894 (pdf) Installation and Instruction Manuals
Small and medium project solutions, available now - brochure - 998-21381316_GMA-US_Small+and+medium+project+solutions+available+now (pdf) Brochure
Digest Catalog 01: Load Centers - 0100CT1901_SEC-01 (pdf) Catalog
Schneider Electric Specification Sheet Specification Sheet
QO Standard Load Centers, Certificate, UL - 071002-E6294D (pdf) Compliance
Square D Service Upgrade Load Centers Brochure - 1100BR0901 (pdf) Brochure
Load Centers: Section 1 - Digest 179 (2024) - Load-Centers-CSEDs-Digest-Catalog-0100CT2401-SEC-01 (pdf) Catalog
Square D QO Load Centers and Circuit Breakers Brochure - 998-1170221_US_B (pdf) Brochure
Installing Service Barrier into QO™ 3 Phase 125A-225A Load Centers | Schneider Electric Support

Tutorial for installing the PKSB3 Service Barrier into the QO™, 3 Phase, Series S0_, (125A-225A)...

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.