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Brilliant Electrical Supply
(336) 895-1371

Brilliant Builds Panels FAST

Custom panelboards ship in 3-5 days. 480v, 480/277v & 208/120v in stock. Save 20% on breakers with a complete panel.

Panelboards

New and used panelboards from all major manufacturers

563 products
Square D NF Panelboard 250A 600Y/347V 3PH 4W 42 Cir 250 Amp Box P396

Square D

Square D NF Panelboard 250A 600Y/347V 3PH 4W 42 Cir 250 Amp Box P396

$1,500.00
Square D NF Panelboard 250A 600V 3PH 4W 42 Cir Main Lug Panel P378

Square D

Square D NF Panelboard 250A 600V 3PH 4W 42 Cir Main Lug Panel P378

$2,500.00
Square D NF Panelboard 250A 600V 3PH 4W 42 Cir Indoor Encl MLO P376

Square D

Square D NF Panelboard 250A 600V 3PH 4W 42 Cir Indoor Encl MLO P376

$1,500.00
Square D NF Panelboard 400A 600Y/347V 3PH 4W MLO 42 Circuit Main Lug P375

Square D

Square D NF Panelboard 400A 600Y/347V 3PH 4W MLO 42 Circuit Main Lug P375

$1,500.00
Square D NF Panelboard 250A 600V 3PH 4W Main Lug Panel Indoor Encl P363

Square D

Square D NF Panelboard 250A 600V 3PH 4W Main Lug Panel Indoor Encl P363

$1,500.00
Square D NF Panelboard 250A 600V 3PH 4W MLO 42 Cir Main Lug Panel P360

Square D

Square D NF Panelboard 250A 600V 3PH 4W MLO 42 Cir Main Lug Panel P360

$1,500.00
Square D NF Panelboard 250A 600V 480V 3PH 4W 42 Circuit Indoor Encl MLO P353

Square D

Square D NF Panelboard 250A 600V 480V 3PH 4W 42 Circuit Indoor Encl MLO P353

$1,500.00
Square D NF Panelboard 250A 600Y/347V 3PH 4W 42 Circuit Indoor Encl P352

Square D

Square D NF Panelboard 250A 600Y/347V 3PH 4W 42 Circuit Indoor Encl P352

$1,500.00
Square D NF Panelboard 250A 600Y/347V 3PH 4W 42 Circuit Indoor Encl MLO P346

Square D

Square D NF Panelboard 250A 600Y/347V 3PH 4W 42 Circuit Indoor Encl MLO P346

$1,500.00
Square D NF Panelboard 250A 600Y/347V 3PH 4W Main Lug 42 Circuit MLO P341

Square D

Square D NF Panelboard 250A 600Y/347V 3PH 4W Main Lug 42 Circuit MLO P341

$1,500.00
Square D NF Panelboard 250A 600Y/347V 3PH Main Lug MLO Indoor Encl 42 P340

Square D

Square D NF Panelboard 250A 600Y/347V 3PH Main Lug MLO Indoor Encl 42 P340

$1,500.00
Square D NF Panelboard 250A 600Y/347V 3PH Main Lug MLO Indoor Encl 42 P339

Square D

Square D NF Panelboard 250A 600Y/347V 3PH Main Lug MLO Indoor Encl 42 P339

$1,500.00
Square D NF Panelboard 250A 600Y/347V 3PH 4W Indoor Encl Main Lug P336

Square D

Square D NF Panelboard 250A 600Y/347V 3PH 4W Indoor Encl Main Lug P336

$1,500.00
Square D NF Panelboard 250A 600Y/347V 3PH 4W Main Lug MLO Indoor Encl P334

Square D

Square D NF Panelboard 250A 600Y/347V 3PH 4W Main Lug MLO Indoor Encl P334

$1,500.00
Square D NF Panelboard 250A 600Y/347V 3PH 4W Indoor Encl Main Lug MLO P333

Square D

Square D NF Panelboard 250A 600Y/347V 3PH 4W Indoor Encl Main Lug MLO P333

$1,500.00
Square D NF Panelboard 400A 600Y/347V 3PH 4W MLO 42 Circuit Main Lug P330

Square D

Square D NF Panelboard 400A 600Y/347V 3PH 4W MLO 42 Circuit Main Lug P330

$1,500.00
Square D NF Panelboard 250A 600Y/347V 3PH 4W Indoor Encl Main Lug P328

Square D

Square D NF Panelboard 250A 600Y/347V 3PH 4W Indoor Encl Main Lug P328

$1,500.00
Square D NF Panelboard 250A 600V 3PH 4W MLO 42 Cir Main Lug Indoor P327

Square D

Square D NF Panelboard 250A 600V 3PH 4W MLO 42 Cir Main Lug Indoor P327

$1,500.00
Square D NF Panelboard 250A 600Y/347V 240V 3PH 4W 42 Cir Box P318

Square D

Square D NF Panelboard 250A 600Y/347V 240V 3PH 4W 42 Cir Box P318

$1,500.00
Square D NQOD442L225CU Panelboard 225A 240V 3PH 4W 42 Cir MCB P636

Square D

Square D NQOD442L225CU Panelboard 225A 240V 3PH 4W 42 Cir MCB P636

$1,680.00
Square D NQOD442L225CU Panelboard 225A 240V 3PH 4W 42 Cir 3R Outdoor MCB P635

Square D

Square D NQOD442L225CU Panelboard 225A 240V 3PH 4W 42 Cir 3R Outdoor MCB P635

$1,680.00
Square D NQ Panelboard 100A 208Y/120V 3PH 4W Indoor Encl 72 Circuit MLO P623

Square D

Square D NQ Panelboard 100A 208Y/120V 3PH 4W Indoor Encl 72 Circuit MLO P623

$500.00
Square D NF Panelboard 100A 480V 3PH 3W 42 CIR Main Breaker P444

Square D

Square D NF Panelboard 100A 480V 3PH 3W 42 CIR Main Breaker P444

$1,500.00
SQUARE D NF Panelboard 100A 480V 3P 3W Indoor Panel 42 Cir Main Breaker P443

Square D

SQUARE D NF Panelboard 100A 480V 3P 3W Indoor Panel 42 Cir Main Breaker P443

$1,500.00

Browse More Categories

Switchboards

Main distribution and metering equipment

Dry Type Transformers

5 to 500 kVA for indoor installation

Circuit Breakers

Molded case breakers from 15 to 2,500 Amp

MCC Buckets

Motor control center plug-in units

Disconnect/Safety Switch

Fusible and non-fusible disconnects

Panelboards: Built and Shipped Ready to Install

We stock hundreds of main lug and main breaker panelboards from Square D, Eaton, Siemens, GE, and other leading manufacturers. Our inventory covers both commercial and residential applications, with panelboards available in a wide range of bus ratings and configurations.

What sets us apart: we can install branch circuit breakers and customize panelboards to your exact specifications before shipping. Your panelboard arrives on the job site ready to mount and wire, so you're not waiting on long factory lead times.

Main lug and main breaker configurations
Commercial and residential panelboards
Custom breaker installation before shipping
All major manufacturers in stock
Panelboards built to your specs, shipped ready to install

Don't see what you need?

Call or email for a quote.

Our inventory changes daily. If you don't see the exact part or configuration you're looking for, reach out and we'll get you a quote. Chances are we have it in stock or can source it fast.

Request a Quote
or contact us directly
(336) 895-1371
Talk to our sales team
sales@brilliantbreakers.com
Email us for a quote
Mon–Fri 8AM–5PM ET·Burlington, NC