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)
(Sold To)
Job Account/Sub Account
(Payer)
(Payer)
Show Availability For
Location
(Ship-To)
(Ship-To)
Changing the selections above may affect product pricing and availability, including items currently in your cart.
Loading
- I want to update or add a...
- Main Account (Sold-To)
- Job Account/Sub Account (Payer)
- Location (Ship-to)
- Need Help? Visit our Help Center or Contact Us
Square D QO™ N3R Main Lug Only Loadcenters 125 A 120/240 VAC, 120/208Y VAC 12 Space
Mfg #:
QO312L125GRB
BOR #:
155818
Main Lug Only Loadcenters
- QO™ Series
- NEMA 3R
Related Items
Select Options
Square D QO™ Molded Case Plug-in Circuit Breakers 15 A 120/240 VAC 10 kAIC 1 Pole 1 Phase
View details
Square D QO™ Molded Case Plug-in Circuit Breakers 20 A 120/240 VAC 10 kAIC 1 Pole 1 Phase
View details
Square D QO™ Molded Case Plug-in Circuit Breakers 30 A 120/240 VAC 10 kAIC 2 Pole 1 Phase
View details
Square D QO™ Molded Case Plug-in Circuit Breakers 40 A 120/240 VAC 10 kAIC 2 Pole 1 Phase
View details
| Brand | Square D |
| Depth | 14-3/4 in |
| Series | QO™ |
| Amperage | 125 A |
| NEMA Rating | NEMA 3R |
| Circuit Breaker Type | QO |
| Voltage | 120/240 VAC, 120/208Y VAC |
| Number of Phases | 3 phase 4 wires ,, 3 phase 3 wires |
| Includes | Cover |
| Wire Size | 6 - 2/0 AWG |
| Box Number | 3R |
| Bus Material | Copper |
| Cover Type | NEMA 3R |
| Number of Spaces | 12 Space |
| Number of Circuits | 12 Circuit |
| Load Centers: Section 1 - Digest 179 (2024) - Load-Centers-CSEDs-Digest-Catalog-0100CT2401-SEC-01 (pdf) | Catalog |
|
| Square D Service Upgrade Load Centers Brochure - 1100BR0901 (pdf) | Brochure |
|
| 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 |
|
| Digest Catalog 01: Load Centers - 0100CT1901_SEC-01 (pdf) | Catalog |
|
| QO and Homeline Load Centers and Circuit Breaker Installation Instructions - S1B33894 (pdf) | Installation and Instruction Manuals |
|
| QO Standard Load Centers, Certificate, UL - 071002-E6294D (pdf) | Compliance |
|
| Schneider Electric Specification Sheet | Specification Sheet |
|
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)...
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...
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.