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Circuit Breakers, Motor Controls, Bus Plugs, and other Electrical Supplies, New and Used - In Stock at WestCoastPower.com. Call us at (800) 214-0759

Square D is an American manufacturer of equipment used to control and distribute electric power headquartered in Palatine, Illinois.

Square D was founded in 1903 in Detroit, Michigan by Bryson Dexter Horton who is credited with the invention of the safety switch which encased high voltage switches and started the company's main line of business of circuit breakers and encased control panels. In 1991, the company was acquired and became a subsidiary of Schneider Electric. Products and systems developed by the Square D brand are present in all sectors of activity, from circuit breakers to monitoring and control systems. The tertiary and residential building sectors are major consumers of Square D product.

Square D (Circuit Breakers, Panel Boards, Motor Control, Switches, Other, Bus Way)

New, used, and obsolete - all come with a 1-year replacement warranty

Other categories by Square D:   Circuit BreakersPanel BoardsMotor ControlSwitchesBus Way

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BROWSE OUR CATALOG BELOW:
* Not all of our inventory is listed on our website. Call us if you can't find what you need.

QOU320

Square D QOU320 Circuit Breaker

Square D QOU320 - Common trip, thermal magnetic type; 2.25 inch w x 2.98 inch d x 5 inch h size; oem panel and enclosure used on; (1) 14 to 2 awg (aluminum/copper) wire size; ul, csa approval; 240 vac at 50/6...(more)
Reconditioned: Call for Price
New: Call for Price
QOU330

Square D QOU330 Circuit Breaker

Square D QOU330 - Miniature, thermal magnetic, common trip type; 2.25 inch width x 2.98 inch depth x 5 inch height size; oem panel and enclosure used on; 14 to 2 awg (aluminum/copper) wire size; ul, csa appro...(more)
Reconditioned: Call for Price
New: Call for Price
QOU340

Square D QOU340 Circuit Breaker

Square D QOU340 - Common trip, thermal magnetic type; 2.25 inch w x 2.98 inch d x 5 inch h size; oem panel and enclosure used on; (1) 14 to 2 awg (aluminum/copper) wire size; ul, csa approval; 120/240 vac at ...(more)
Reconditioned: Call for Price
New: Call for Price
QOU350

Square D QOU350 Circuit Breaker

Square D QOU350 - Common trip, thermal magnetic type; 2.25 inch w x 2.98 inch d x 5 inch h size; oem panel and enclosure used on; (1) 14 to 2 awg (aluminum/copper) wire size; ul, csa approval; 120/240 vac at ...(more)
Reconditioned: Call for Price
New: Call for Price
QOU360

Square D QOU360 Circuit Breaker

Square D QOU360 - Miniature, thermal magnetic, common trip type; 2.25 inch width x 2.98 inch depth x 5 inch height size; oem panel and enclosure used on; 14 to 2 awg (aluminum/copper) wire size; ul, csa appro...(more)
Reconditioned: Call for Price
New: Call for Price
QOU370

Square D QOU370 Circuit Breaker

Square D QOU370 - Common trip, thermal magnetic type; 2.25 inch w x 2.98 inch d x 5 inch h size; oem panel and enclosure used on; (1) 14 to 2 awg (aluminum/copper) wire size; ul, csa approval; 120/240 vac at ...(more)
Reconditioned: Call for Price
New: Call for Price
QOU380

Square D QOU380 Circuit Breaker

Square D QOU380 - Common trip, thermal magnetic type; 2.25 inch w x 2.96 inch d x 6.78 inch h size; oem panel and enclosure used on; (1) 12 to 2/0 awg (aluminum/copper) wire size; ul, csa approval; 240 vac at...(more)
Reconditioned: Call for Price
New: Call for Price
QOU390

Square D QOU390 Circuit Breaker

Square D QOU390 - Common trip, thermal magnetic type; 2.25 inch w x 2.96 inch d x 6.78 inch h size; oem panel and enclosure used on; (1) 12 to 2/0 awg (aluminum/copper) wire size; ul, csa approval; 240 vac at...(more)
Reconditioned: Call for Price
New: Call for Price
QOUR120

Square D QOUR120 Circuit Breaker

Square D QOUR120 - Common trip, thermal magnetic type; 0.75 inch w x 2.98 inch d x 5 inch h size; oem panel and enclosure used on; (1) 14 to 2 awg (aluminum/copper) wire size; ul, csa approval; 120/240 vac at...(more)
Reconditioned: Call for Price
New: Call for Price
RJF36160CU31A

Square D RJF36160CU31A Circuit Breaker

Square D RJF36160CU31A - Electronic; r frame; 240/480/600 vac at 50/60 hz; 1600 ampere; 3 pole; interrupting rating 100 kiloampere at 240 v, 65 kiloampere at 480 v, 25 kiloampere at 600 v; size 16.5 inch w x ...(more)
Reconditioned: Call for Price
New: Call for Price

We also stock items not listed in our online catalog

Square D (Circuit Breakers, Panel Boards, Motor Control, Switches, Other, Bus Way) - New and Obsolete

West Coast Power has been specializing in new, reconditioned and obsolete Circuit Breakers, Motor Controls, Busway and other electrical supply products for over 20 years. If you have old or hard-to-find circuit breakers, motor controls, bus plugs, or other electrical distribution products that need replacing give us a call or request a quote. We have new, used and obsolete products coming in all the time.

Due to the nature of the reconditioning process, we don't always get a chance to get all of our products represented in our online catalog - some are often sold before we get a chance to list them. If you don't see it listed, chances are, we likely have it in stock or can get it for you fast - and all of our reconditioned products carry the same 1-year warranty that come with our new products. And we offer price matching on all products - if you find it cheaper elsewhere, call us. Order typically ship the same business day the order was received. Let us get you the Square D (Circuit Breakers, Panel Boards, Motor Control, Switches, Other, Bus Way) Circuit Breakers, Motor Controls, Busway you need, quickly.