Skip to content
CIRCUIT BREAKER SUPERSTORE
Cart
CartCart
Account

Products

SQUARE D

QMB365W - 400Amp Panelboard Switch

$1,950.00
SQUARE D

QMB367W - 800Amp Panelboard Switch

$5,995.50
SQUARE D

QMB366W - 600Amp Panelboard Switch

$3,450.00
SQUARE D

QMB3660 - 600Amp Panelboard Switch

$3,250.00

Why Us?

Free Shipping

Free shipping on orders over $100

100k+ Happy Customers

4.9 Google rating

Secure Shopping

Feel protected with every transaction

We prioritize simplifying the process of finding and ordering electrical supplies, enabling our customers to quickly get back to what they do best. At CIRCUIT BREAKER SUPERSTORE®, Our dedication to these principles has built a reputation we are proud of, as we continue to serve our customers with the same passion and integrity that sparked our inception.

Shop

Customer Care

Contact

37 West 6th Avenue, Mesa, Arizona 85210
(800) 470-6655
office@circuitbreakersuperstore.com

We accept

Visa Card PaymentMaster Card PaymentDiscover PaymentPaypal PaymentiDeal PaymentApple PayGoogle PayAmerican ExpressKlarna PaymentShop PayDiners ClubMeta

Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. All trademarks and registered trademarks are the property of their respective owners.

© 2004 - 2025 CIRCUIT BREAKER SUPERSTORE®. All Rights Reserved·Designed by The Best Growth Marketing Agency In The World.