Bolt On Miniature Circuit BreakersSquare D 1, 2 and 3 pole circuit breakers are designed to control voltage levels and protect control panels & devices from overcurrent & short-circuit damage. They are offered in main breaker, standard and high interrupt capacity designs.(470 Products)
Overload RelaysFacilitate motor overload protection in Type S, NEMA-style magnetic motor starters. Feature an automatic or manual reset function that also offers maximum current adjustment. Available in current ratings ranging between 0.4 & 32A(35 Products)
Definite Purpose Magnetic ContactorsSquare D reversible and non reversible relays are designed to offer automatic shut-off during power failures. They are suitable for use with circuits where overload protection is separately offered, and can handle fully inductive loads up to 90A.(90 Products)
Load Centers and PanelboardsSquare D load centers and panelboards distribute electrical current in residential, commercial and industrial applications. They use Square D circuit breakers to prevent damage. These circuit breakers interrupt the flow of the current of an overloaded circuit.(218 Products)
Control TransformersPower transformers designed with low impedance windings to handle the high inrush current flow from contactors, starters, solenoids and relays. Available in 120 - 480 VAC input voltage range(169 Products)
Circuit Breaker EnclosuresSquare D NEMA rated steel / stainless steel enclosures are designed to protect users from accidentally contacting energised parts of circuit breakers & molded switch cases. They are capable of handling current flow up to 1000 A.(30 Products)
Ground Bar KitSquare D ground bar kits are compact and lightweight kits used in CSED devices, load centres and NQOD and NF panel boards. These ANSI certified ground bar kits feature 15 terminals and feed wires to the neutral bar in load centres.(13 Products)
Magnetic Starters with Thermal OverloadSquare D magnetic starters with thermal overload are designed to provide under-voltage and overload protection in sensitive electrical circuits or panelboards. They feature an electromagnetically operated switch for starting the connected motors with a maximum current rating of 27A.(99 Products)
Safety Relays(44 Products)
Buck Boost TransformersUL and cUL (UL 506) listed low voltage buck-boost transformers featuring NEMA 3A- / 3R-rated enclosures and a space-saving circuit design; used to provide small changes in voltage for matching load requirements. Convert 208Y / 120 V power to standard motor voltages
(26 Products)
Circuit Breaker AccessoriesSquare D circuit breaker accessories such as brackets, handle padlocks & extensions, interlocks, lug kits and shunt trips are designed for use with Square D circuit breakers.(215 Products)
Load Center and Panelboard AccessoriesSquare D load center and panelboard accessories are employed to customize, mount and enhance the safety of Square D panelboards and load centers. These panelboards and load centers help to distribute electrical power.(85 Products)
Manual Motor Switches and StartersSquare D manual motor switches and starters are suitable for ON/OFF switching operations in small 1 phase, 3 phase or DC motors installed in pumps, fans, small machine tools and conveyors. They can handle current up to 30A and operating voltage up to 600VAC.(101 Products)
Bus PlugsSquare D bus plugs are designed for maximum flexibility, easy installation and high electrical efficiency in low power distribution systems. They allow continuous current flow and feature totally enclosed housing to eliminate accidental busbar contacts.(47 Products)
Thermal UnitsUsed to protect controllers, motors and branch-circuit conductors from excessive heating and over-current conditions. Capable of tripping the circuit assembly within 20 seconds or less. Available in amperage ratings ranging from 0.3 to 19.2A(112 Products)
Combination StartersSquare D UL listed combination starters have a NO / NC / no actuator circuit design to secure electric circuits from both overcurrent loads and short circuits. They come equipped with melting alloy overload relays.(51 Products)
Current TransformersSolid- and split-core current transformers designed for use with meters, panels & signalling devices to control and measure electrical currents as high as 2000 A(13 Products)
NEMA Magnetic ContactorsDesigned to balance alterations in electrical frequencies and ensure automatic cutoff during power failure conditions(33 Products)
Lighting Magnetic ContactorsSquare D lighting magnetic contactors are suitable for use in stadiums, parks, construction sites and industrial plants for switching electrical power circuits. They provide higher current ratings as compared to relays and are available in 2, 3, 4, 6, 8, 10 & 12 pole configurations.(61 Products)
IEC Supplementary ProtectorsSquare D D-curve two-pole IEC supplementary protectors trip instantaneously when the current load exceeds ten to 20 times the rating of the device. These breakers comfortably mount on a standard 35 mm DIN rail and are UL 1077 listed to resist damage due to overcurrents and short circuits.(4 Products)
Contactor AccessoriesSquare D contactor accessories include replacement accessories like mounting brackets, pneumatic timers, replacement coils and replacement contact kits, for use with NO and NC contactors.(51 Products)
Relay Sockets(10 Products)
Motor Starter EnclosuresNEMA-rated starter enclosures used with heating loads, transformers, capacitors, electric motors and other powered loads requiring a separate overload protection. Selected models come with a gray finish for a shiny appearance. Offered in heights ranging from 5.51 to 31.5 inches(4 Products)
