About Square D

Originally specializing in fuses, safety switches, controllers and circuit breakers, Square D has been a leading innovator in electrical safety since 1903. Square D became part of Schneider in 1991 and now operates as Square D™️ by Schneider Electric.

Square D Product Types

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Square D Circuit Breakers
Square D Circuit Breakers
Square D Motor Controls
Square D Motor Controls
Square D Switches
Square D Switches
Square D Bus Plugs
Square D Bus Plugs

Popular Square D Products

The most popular Square D products for sale on EssentialParts.com

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Save $521.97
default product icon Square D EDB34030 Circuit Breaker | EDB Series EDB 480Y/277 VACV 30A - Essential Electric Supply
EDB34030 - Schneider Electric (Square D) 3-Pole 30 A 480Y/277 V AC Bolt-On Circuit Breaker, Type EDB
From $147.03 $669.00
In stock
Save $126.37
default product icon HOM2100 - Square D Plug-In 100 Amp 2 Pole Circuit Breaker - Essential Electric Supply
HOM2100 - Square D 100A 2-Pole 120/240VAC Homeline Circuit Breaker Plug-On 10kA Interrupt
From $41.63 $168.00
In stock
Save $134.88
default product icon QO2100 - Square D Plug-In 100 Amp 2 Pole Circuit Breaker - Essential Electric Supply
QO2100 - Square D 100 Amp 2 Pole 120/240V QO Series Miniature Circuit Breaker Plug-In
From $54.12 $189.00
In stock
Save $269.39
default product icon HOM2200 - Square D 200 Amp 2 Pole 120/240V Homeline Circuit Breaker Plug-In - Essential Electric Supply
HOM2200 - Square D 200 Amp 2 Pole 120/240V Homeline Circuit Breaker Plug-In
From $134.61 $404.00
In stock
Save $313.82
default product icon Square D QO220GFI Circuit Breaker | QO SEries QO-GF 120/240 VACV 20A - Essential Electric Supply
QO220GFI - Square D 20A 120/240V 2 Pole Ground Fault Circuit Breaker Plug-In QO Series
From $99.18 $413.00
In stock
Save $342.71
default product icon QO2125 - Square D Plug-In 125 Amp 2 Pole Circuit Breaker - Essential Electric Supply
QO2125 - Square D 125 Amp 2 Pole 120/240VAC Circuit Breaker Plug-In 10kAIC QO Series
From $85.29 $428.00
In stock
Save $308.47
default product icon HOM215GFI - Square D Plug-In 15 Amp 2 Pole Circuit Breaker - Essential Electric Supply
HOM215GFI - Square D 15 Amp 2 Pole 120/240VAC Ground Fault Circuit Breaker Homeline Series
From $104.53 $413.00
In stock
Save $170.17
default product icon Square D QO130GFI Circuit Breaker | QO SEries QO Series 120VACV 30A - Essential Electric Supply
QO130GFI - Square D 30 Amp 1 Pole 120/240VAC Plug-In GFCI Circuit Breaker, QO Series, 10kAIC, Thermal Magnetic Trip, UL/CSA
From $62.83 $233.00
In stock

Upgrade Your Electrical Systems with Reliable Solutions from Square D. Key solutions from Square D include switchgear, breakers, transformers, and more. Known as the "workhorse" of electrical parts, Square D parts have a well-earned reputation for reliability, quality, and durability.

Shop our range of Square D electrical fuses and circuit breakers now, and secure your electrical systems with the best protection available. Buy now and experience the Essential Electric advantage with 24/7 Customer Support and Same-day Shipping to get you back up and running as soon as possible.

Essential Electric is not an authorized distributor for Square D.

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