Circuit Breakers

Square D E-Frame Miniature Circuit Breaker, Bolt-OnThe Square D E-Frame Miniature Circuit Breaker (Device Short Name: EDB) is a bolt-on lighting panelboard circuit breaker engineered for reliable short-circuit and overload protection in Square D NF...

Square D E-Frame Miniature Circuit Breaker, Bolt-OnThe Square D E-Frame Miniature Circuit Breaker is a bolt-on lighting panelboard circuit breaker engineered for use in Square D NF Panelboards. Rated 480Y/277VAC, this device delivers reliable...

Square D EZ Meter-Pak Main Circuit Breaker Meter CenterThe Square D EZ Meter-Pak meter center delivers reliable, versatile, and compact multi-metering equipment engineered for multi-unit residential and commercial construction. This configuration ships...

Square D FlexSet PowerPacT R Switchboard, Three-Phase Busbar, 1200A 600VACThe Square D FlexSet Switchboard with PowerPacT R-Frame busbar-mounted circuit breaker delivers robust three-phase power distribution and protection for commercial and industrial...

Square D GJL Shunt Trip, 480VAC, 13mAThe Square D GJL Shunt Trip is a factory-installed circuit breaker accessory rated 480-480 V AC, engineered to remotely trip a compatible GJL-frame breaker on command from an external control or protective relay...

Square D Harmony XAC Add-On Contact Block, 1 NO, Screw Clamp TerminalThe Square D Harmony XAC add-on contact block is engineered for the Harmony family of 22 mm modular push buttons and selector switches, combining a robust snap-fit design with...

Square D HJPA PowerPacT H/J Padlocking DeviceThe Square D HJPA is a field-installable padlocking device accessory for PowerPacT H and PowerPacT J circuit breakers. This fixed-handle lock secures the breaker handle in either the ON or OFF position,...

"Square D HJPAF PowerPacT Padlocking Device, Fixed Handle, OFF Position OnlyThe Square D HJPAF is a field-installable fixed padlocking device engineered for PowerPacT H and PowerPacT J circuit breakers. This locking accessory secures the breaker handle...

Square D Homeline 2-Pole Class B GFCI Miniature Circuit Breaker, Plug-InThe Square D Homeline 2-Pole Class B GFCI Miniature Circuit Breaker is engineered and designed for fast installation and superior circuit protection in Homeline load centers and...

Square D Homeline 2-Pole Combination Arc Fault Circuit Breaker, Plug-InThe Square D Homeline 2-Pole Combination Arc Fault Circuit Breaker is a miniature circuit breaker (MCB) engineered for fast installation and reliable circuit protection in Homeline...

Square D Homeline 2-Pole Plug-In Circuit Breaker, 10kA AIRThe Square D Homeline 2-Pole Plug-In Circuit Breaker delivers dependable circuit protection engineered for fast installation in residential electrical systems. Rated 120/240VAC with a 10kA AIR...

Square D Homeline Circuit Breaker Padlocking Kit, On/Off LockThe Square D Homeline Padlocking Kit is a circuit breaker accessory designed to secure compatible Homeline CAFI, DF, GFI, AFI, and EPD breakers in either the On or Off position. This padlock...

Square D Homeline Circuit Breaker Retaining KitThe Square D Homeline Circuit Breaker Retaining Kit is a mini circuit breaker accessory engineered for Square D Homeline load centers. Homeline load centers support a full complement of Homeline circuit...

Square D Homeline Combination AFCI/GFCI Circuit Breaker, Plug-On NeutralThe Square D Homeline Combination AFCI/GFCI Circuit Breaker is engineered for fast plug-on installation into Homeline load centers and CSEDs, delivering combined arc-fault and...

Square D Homeline Combo AFCI/GFCI Miniature Circuit BreakerThe Square D Homeline miniature circuit breaker delivers combination arc-fault and ground-fault (AFCI/GFCI) protection in a compact, plug-in design engineered for fast installation and superior...

Square D Homeline GFCI Miniature Circuit Breaker, Class A Ground Fault ProtectionSquare D Homeline miniature circuit breakers are engineered for fast installation and reliable circuit protection in residential and light commercial panels. This 2 pole...

Square D Homeline Quad Tandem Circuit Breaker, 120/240VAC, 10kA AICThe Square D Homeline Quad Tandem Circuit Breaker is a plug-in miniature circuit breaker engineered for fast installation and reliable circuit protection in Homeline load centers...

Square D Homeline Tandem Circuit Breaker, 120/240VAC, 10kA AIRThe Square D Homeline Tandem Circuit Breaker is a miniature circuit breaker (MCB) that plugs directly into Homeline load centers, combining 2 x 1-pole and 1 x 2-pole circuits in one...

Square D LA 2-Pole Molded Case Circuit Breaker, 600VAC Thermal MagneticThe Square D LA molded case circuit breaker delivers reliable thermal magnetic protection for commercial and industrial electrical systems. This 2-pole breaker is rated 600VAC with a...

Square D LA I-Line Thermal-Magnetic Circuit Breaker, 3-Pole, 350A, 600VACThe Square D LA I-Line circuit breaker is a thermal-magnetic molded-case breaker engineered for use in I-Line power distribution panelboards on both AC and DC systems. Rated 350A...

Square D LA Series 2-Pole Molded Case Circuit Breaker, Thermal Magnetic, 600VACThe Square D LA Series 2-Pole Molded Case Circuit Breaker, Thermal Magnetic, 600VAC provides automatic circuit interruption under overload or short-circuit conditions, plus...

Square D MasterPacT NW Electric Joint Compound AccessoryThe Square D MasterPacT NW Electric Joint Compound is a factory-supplied joint compound accessory used wherever plug-on connectors are present, helping ensure a proper electrical joint at the...

Square D Multi9 C60 1-Pole C-Curve Miniature Circuit Breaker, 120V ACThe Square D Multi9 C60 miniature circuit breaker (MCB) is a 1-pole, C-curve unit built for AC and DC networks, delivering reliable overcurrent protection for small commercial and...

Square D Multi9 C60 UL489 Miniature Circuit Breaker, D Curve, Tunnel TerminalThe Square D Multi9 C60 UL489 Miniature Circuit Breaker delivers reliable thermal-magnetic overcurrent protection for AC and DC electrical networks. Rated at 25 A (25 °C)...