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™ N1 Convertible Main Breaker Loadcenters 150 A 120/240 V 42 Space
Mfg #:
QO342MQ150
BOR #:
1387563
Related Items
Select Options
Square D QO™ Plug-in Miniature Circuit Breakers 25 A 120/240 VAC 10 kAIC 2 Pole 1 Phase
View details
Square D QO™ Plug-in Miniature Circuit Breakers 20 A 120/240 VAC 10 kAIC 2 Pole 1 Phase
View details
Square D QO™ Plug-in Miniature Circuit Breakers 15 A 120/240 VAC 10 kAIC 2 Pole 1 Phase
View details
Square D QO™ Plug-in Miniature Circuit Breakers 40 A 120/240 VAC 10 kAIC 2 Pole 1 Phase
View details
Square D QO™ Plug-in Miniature Circuit Breakers 30 A 120/240 VAC 10 kAIC 2 Pole 1 Phase
View details
Square D QO™ Plug-in Miniature Circuit Breakers 60 A 120/240 VAC 10 kAIC 2 Pole 1 Phase
View details
| Brand | Square D |
| Number of Phases | 3 Phase |
| Wire Size | 4 AWG - 300 kcmil |
| Voltage | 120/240 V |
| Bus Material | Copper |
| Enclosure Type | N1 Enclosure |
| Box Number | 12 |
| Number of Circuits | 42 Circuit |
| Height | 39.37 in |
| Cover Type | order separately |
| Interrupting Rating | 25 kAIC |
| Number of Spaces | 42 Space |
| Cover - Catalog Number (Flush) | QOC342MQF |
| Amperage | 150 A |
| Cover - Catalog Number (Surface) | QOC342MQS |
| Series | QO™ |
| NEMA Rating | NEMA 1 |
| Small and medium project solutions, available now - brochure - 998-21381316_GMA-US_Small+and+medium+project+solutions+available+now (pdf) | Brochure |
|
| Square D Specification Sheet | Specification Sheet |
|
| 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 |
|
| Certificate, UL - UL_Certificate_E6294-19970527 (pdf) | Compliance |
|
| Square D QO and Homeline Load Centers and Enclosures Catalog - 1100CT0501 (pdf) | Catalog |
|
| Square D QO Load Centers and Circuit Breakers Brochure - 998-1170221_US_B (pdf) | Brochure |
|
| QO and Homeline Load Centers and Circuit Breaker Installation Instructions - S1B33894 (pdf) | Installation and Instruction Manuals |
|
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...
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.