Circuit Breakers
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Square D QO 2-Pole 60A NEMA 3R Enclosed Circuit Breaker with Ground Fault Protection
Model: 852358-P
Square D QO 2-Pole 60A NEMA 3R Enclosed Circuit Breaker with Ground Fault ProtectionThe Square D QO 2-Pole 60A NEMA 3R Enclosed Circuit Breaker delivers a factory-assembled, UL Listed disconnect solution for residential and commercial single-phase...Square D
$256.93 -
Square D QO 2-Pole Bolt-On Circuit Breaker, Ground Fault Class A
Model: SQU-P34
Square D QO 2-Pole Bolt-On Circuit Breaker, Ground Fault Class AThe Square D QO 2-Pole Bolt-On Circuit Breaker provides thermal magnetic overcurrent protection for ac and dc systems, with an over-center, trip-free toggle mechanism for quick-make,...Square D
Starting at$5.92 -
Square D QO 2-Pole Main Circuit Breaker, 120/240VAC, 22kA
Model: SQU-P168
Square D QO 2-Pole Main Circuit Breaker, 120/240VAC, 22kAThe Square D QO 2-Pole Main Circuit Breaker is designed for use with metering devices, delivering reliable overcurrent protection and switching on ac systems. Rated 120/240VAC with a 22kA...Square D
Starting at$217.37 -
Square D QO 2-Pole Plug-In Ground Fault Circuit Breaker, 120/240VAC 10kA
Model: SQU-P68
Square D QO 2-Pole Plug-In Ground Fault Circuit Breaker, 120/240VAC 10kAThe Square D QO 2-Pole Plug-In Ground Fault Circuit Breaker provides overcurrent and ground fault protection for residential and light commercial panelboards. Rated 120/240VAC, 10kA...Square D
Starting at$220.03 -
Square D QO 20A 1-Pole Combination Arc-Fault Circuit Breaker
Model: 187302-P
Square D QO 20A 1-Pole Combination Arc-Fault Circuit BreakerThe Square D QO 20A 1-pole combination Arc-Fault Circuit Interrupter (AFCI) breaker delivers overcurrent protection and arc-fault detection for 120VAC residential and light commercial branch...Square D
$119.61 -
Square D QO 20A 1-Pole Combination ARC-Fault/Ground-Fault Circuit Breaker, 120VAC Plug-In
Model: 850886-P
Square D QO 20A 1-Pole Combination ARC-Fault/Ground-Fault Circuit Breaker, 120VAC Plug-InThe Square D QO 20A 1-Pole Combination ARC-Fault/Ground-Fault Circuit Breaker is a plug-in thermal magnetic breaker for overcurrent protection with combined...Square D
$129.09 -
Square D QO 22kA Miniature Circuit Breaker, Bolt-On
Model: SQU-P7
Square D QO 22kA Miniature Circuit Breaker, Bolt-OnThe Square D QO 22kA Miniature Circuit Breaker is a thermal magnetic circuit breaker from the QO range, built for overcurrent protection and switching on AC and DC systems. Available in 1, 2, and 3-pole...Square D
Starting at$53.03 -
Square D QO 3-Pole Bolt-On Mini Circuit Breaker, 25A, 120/240VAC, 65kA
Model: 754607-P
Square D QO 3-Pole Bolt-On Mini Circuit Breaker, 25A, 120/240VAC, 65kAThe Square D QO 25A, 3 pole, bolt-on mini circuit breaker delivers thermal magnetic overcurrent protection and switching for ac and dc systems rated 120/240VAC, with a 65kA interrupt...Square D
$6.08 -
Square D QO 3-Pole Circuit Breaker Retaining Bracket Kit
Model: 24360-P
Square D QO 3-Pole Circuit Breaker Retaining Bracket KitThe Square D QO 3-Pole Circuit Breaker Retaining Bracket Kit is a mounting and retaining accessory engineered for the QO range of load centers, allowing QO breakers to be securely installed and held...Square D
$17.90 -
Square D QO 3-Pole Shunt Trip Miniature Circuit Breaker, 120/240VAC, 10kA
Model: SQU-P51
Square D QO 3-Pole Shunt Trip Miniature Circuit Breaker, 120/240VAC, 10kAThe Square D QO 3-pole miniature circuit breaker delivers thermal magnetic overcurrent protection and switching for AC and DC systems, rated 120/240VAC (also 240VAC and 120VAC) with...Square D
Starting at$3.89 -
Square D QO 40A 2-Pole Bolt-On Circuit Breaker with Class B Ground Fault Protection
Model: 754674-P
Square D QO 40A 2-Pole Bolt-On Circuit Breaker with Class B Ground Fault ProtectionThe Square D QO 40A 2-Pole Bolt-On Circuit Breaker with Class B Ground Fault Protection is a thermal magnetic circuit breaker built on the trusted QO/QOB platform for...Square D
$9.76 -
Square D QO Circuit Breaker Handle Lock-Off Padlock Attachment, 1 Pole
Model: 4015-P
Square D QO Circuit Breaker Handle Lock-Off Padlock Attachment, 1 PoleThe Square D QO Circuit Breaker Handle Lock-Off Padlock Attachment is a 1 pole accessory designed to secure the handle of a Square D QO thermal magnetic circuit breaker in the off...Square D
$11.36 -
Square D QO Circuit Breaker Handle Tie Accessory
Model: 97385-P
Square D QO Circuit Breaker Handle Tie AccessoryThe Square D QO Circuit Breaker Handle Tie Accessory is engineered for use with QO and QOB one, two, and three pole thermal magnetic circuit breakers, which provide overcurrent protection and switching on...Square D
$16.31 -
Square D QO Circuit Breaker Padlock Device, 2-3 Pole Handle Lock-Off
Model: 113463-P
Square D QO Circuit Breaker Padlock Device, 2-3 Pole Handle Lock-Off, Fixed OFF PositionThe Square D QO Padlock Device is a handle-lock accessory engineered for QO and QOB one, two and three pole thermal magnetic circuit breakers used for overcurrent...Square D
$31.43 -
Square D QO Handle Tie, 1-Pole Circuit Breaker Accessory
Model: 96239-P
Square D QO Handle Tie, 1-Pole Circuit Breaker AccessoryThe Square D QO Handle Tie is a 1-pole circuit breaker accessory engineered for use with QO and QOB thermal magnetic circuit breakers, which deliver overcurrent protection and switching on ac and dc...Square D
$4.67 -
Square D QO Main Breaker, Bolt-On, 120/240VAC
Model: 44463-P
Square D QO Main Breaker, Bolt-On, 120/240VACThe Square D QO Main Breaker is a thermal magnetic circuit breaker engineered to provide overcurrent protection and switching for QO and Homeline load centers. Rated for 120/240 V AC operation and designed for...Square D
$115.64 -
Square D QO Mechanical Interlock Circuit Breaker Accessory, 1-2 Pole
Model: 107879-P
Square D QO Mechanical Interlock Circuit Breaker Accessory, 1-2 PoleThe Square D QO Mechanical Interlock is a circuit breaker accessory from the QO range, engineered for compatibility with QO and QOB one and two pole thermal magnetic circuit breakers...Square D
$30.33 -
Square D QO Series 3-Pole Bolt-On Circuit Breaker with AC Shunt Trip, 120/240VAC, 22kA
Model: SQU-P69
Square D QO Series 3-Pole Bolt-On Circuit Breaker with AC Shunt Trip, 120/240VAC, 22kAThe Square D QO Series 3-Pole Bolt-On Circuit Breaker with AC Shunt Trip delivers thermal magnetic overcurrent protection and switching for ac and dc systems. Rated...Square D
Starting at$6.42 -
Square D QO Series Circuit Breaker Enclosure, NEMA 3R
Model: SQU-P104
Square D QO Series Circuit Breaker Enclosure, NEMA 3RThe Square D QO Series Circuit Breaker Enclosure houses QO and QOB one, two, and three pole thermal magnetic circuit breakers, which provide overcurrent protection and switching on AC and DC systems...Square D
Starting at$71.56 -
Square D QO Series Dual Function Miniature Circuit Breaker, 1-Pole, 120VAC, 10kA, Bolt-On
Model: SQU-P109
Square D QO Series Dual Function Miniature Circuit Breaker, 1-Pole, 120VAC, 10kA, Bolt-OnThe Square D QO Series Dual Function Miniature Circuit Breaker delivers overcurrent protection and switching for AC and DC systems in a 1-pole, 120VAC configuration...Square D
$4.91 -
Square D QO Series Miniature Circuit Breaker, Combination Arc-Fault (CAFI)
Model: 1036993-P
Square D QO Series Miniature Circuit Breaker, Combination Arc-Fault (CAFI)The Square D QO Series miniature circuit breaker delivers reliable overcurrent protection and switching for residential and light commercial panelboards. This unit is rated 15A, 1...Square D
$4.29 -
Square D QO Tandem Circuit Breaker, 120/240VAC, 10kA
Model: 113508-P
Square D QO Tandem Circuit Breaker, 120/240VAC, 10kAThe Square D QO Tandem Circuit Breaker delivers dependable overcurrent protection and switching for residential and light commercial ac systems. Configured as a 2 x 1 pole tandem breaker rated 15A, this...Square D
$49.27 -
Square D QO Tandem Circuit Breaker, 15A/20A, 120/240VAC
Model: 92662-P
Square D QO Tandem Circuit Breaker, 15A/20A, 120/240VACThe Square D QO Tandem Circuit Breaker delivers overcurrent protection and switching for AC systems in a single-space, dual-circuit design. Configured with 1 pole at 15A and 1 pole at 20A, this...Square D
$97.26 -
Square D QO/QOB Circuit Breaker Handle Padlock Accessory, Fixed Lock-OFF
Model: 351973-P
Square D QO/QOB Circuit Breaker Handle Padlock Accessory, Fixed Lock-OFFThe Square D QO/QOB Circuit Breaker Handle Padlock Accessory is a fixed handle-locking device designed for QO-GFI, QO-AFI (CAFI), and QO-EPD breakers, including 2-pole configurations...Square D
$46.77