SQUARE D Molded Case Circuit Breakers

Square D MH Series circuit breakers are designed for installation in panelboards and loadcentres for protecting electrical circuits against short-circuit conditions and current overloads. These UL-listed & CSA-certified breakers feature I-Line style plug-in design for ease-of-installation and a fixed thermal, adjustable AC magnetic trip unit for delivering both time-delayed and instantaneous current limiting functions, respectively.

Square D MHL Series circuit breakers are designed for switching AC systems while delivering protection against current overloads & short circuits in manufacturing & storage facilities. These feed-thru circuit breakers feature a thermal-magnetic trip unit for reacting against severe power surges at once while avoiding tripping on mild overloads and deliver a maximum interrupt capacity of 65kA at 480VAC. Choose from a wide range of these triple-pole circuit breakers available in amperage ratings ranging from 300 to 1200A on Raptor Supplies.

Square D PGA Series circuit breakers are designed for use with panelboards and loadcentres for protecting electrical circuits from short-circuit and current overload conditions. These breakers feature I-Line style plug-in mounting facility for ease-of-installation and are suitable for reverse-feed applications. They come equipped with line- and load-side lug terminals to accommodate wires (copper / aluminium) of sizes ranging between 500 kcmil and 3 AWG. These breakers, with 3-pole configuration, are capable of delivering a maximum interrupting capacity of 35kA at 480V and adheres to UL, CSA and IEC standards. Choose from a wide range of these circuit breakers available in current ratings ranging from 600 to 1200A on Raptor Supplies.

Square D PGA Series circuit breakers are designed for installation in panelboards and loadcentres for protecting electrical circuits against short-circuit conditions and current overloads. These UL-listed & CSA-certified breakers feature I-Line style plug-in design for ease-of-installation and an electronic trip for short-time, long-time and instantaneous current limiting functions. They are available in maximum current rating and interrupting capacity of 1200A and 65kA at 480VAC, respectively on Raptor Supplies.

Square D QBA Series circuit breakers are designed for use with panelboards and loadcentres for protecting electrical circuits from short-circuit and current overload conditions. These UL-listed devices feature I-Line style plug-in design for ease-of-installation, load-side lug terminals for hassle-free wiring and a thermal-magnetic trip for providing both time-delayed and instantaneous current limiting functions. Choose from a wide range of these triple-pole circuit breakers available in amperage ratings ranging from 100A to 225A on Raptor Supplies.

Square D QGA Series circuit breakers are designed for installation in commercial and industrial electrical devices for protection against overcurrent and short circuit conditions. They feature non-interchangeable thermal magnetic trip that provides long time & instantaneous functions for reacting against severe short-circuits at once while avoiding tripping on mild overloads. They feature a 3 pole design with a maximum interrupting capacity of 65kA at 240VAC and QGA type frame for added versatility. QGA Series circuit breakers are available in current ratings ranging between 100A & 225A on Raptor Supplies.

Square D QGL Series circuit breakers are designed for installation within panelboards & loadcentres for protecting electrical circuits against short-circuits & current overloads. These UL-listed circuit breakers feature a non-interchangeable thermal magnetic trip that provides long time & instantaneous functions for reacting against severe short-circuits at once while avoiding tripping on mild overloads. These breakers provide current ratings up to 225A and feature an interrupt capacity of 65kA at 240VAC. Square D QJL series circuit breakers are available in 2 & 3 pole configurations on Raptor Supplies.

Square D QJA Series circuit breakers are designed for installation in commercial and industrial electrical devices for protection against overcurrent and short circuit conditions. They feature long-time and instantaneous current limiting trip functions for reacting against severe power surges at once while avoiding tripping on mild overloads. These circuit breakers feature a maximum interrupting capacity of 100kA at 240V and come equipped with a compact QJA type frame for ease-of-installation in constrained panelboards. The load & line side lug terminals enable hassle-free wiring. QJA Series circuit breakers are available in current ratings between 100A & 225A on Raptor Supplies.

Square D QJL Series circuit breakers are designed for installation in commercial and industrial electrical devices for protection against overcurrent and short circuit conditions. These units feature a thermal magnetic trip unit to provide both instantaneous and long-time current limiting protection. They come in a molded case which holds current-carrying components, trip devices and other mechanisms in a compact space. They deliver an interrupting capacity of 60kA / 100kA at 240V, with a maximum current rating of 225A. These circuit breakers are UL 489 listed, as well as CSA, ANCE and IEC certified. They come equipped with field-installable handle padlock for locking in On / Off position and are compatible with mechanical interlocks. Choose from a wide range of Square D QJL Series circuit breakers, available in 2 & 3 pole configurations on Raptor Supplies.

Square D Micrologic circuit breakers protect against short-circuits & overloads and feature a programmable electronic trip for instantaneous protection against severe overcurrent surges. Selected models have thermal magnetic trip for both long time and instantaneous trip functions. They are equipped with box lug or line & load lug terminals for accommodating wires and panel or plug in mounting style for quick installation. These circuit breakers are available in 1, 2 & 3 pole configurations on Raptor Supplies.

Square D tandem circuit breakers are compatible for use with panelboards and loadcentres to protect electrical circuits & connected devices against current overloads and short circuits. These single- / double-pole devices feature a thermal-magnetic trip unit that provides both long-time and instantaneous current limiting functions and a plug-in mounting design for ease-of-installation. Choose from a wide variety of these circuit breakers available in 15/15, 15/20, 20/20 and 20/30 amperage ratings on Raptor Supplies.

Square D MAL Series circuit breakers are ideal for applications where the rated load currents exceed the capabilities of a miniature circuit breaker. These 3 pole breakers feature a thermal-magnetic trip for providing instantaneous & long-time current limiting protection with two different switching mechanisms - a bimetal switch for handling overcurrents and an electromagnet for handling short circuits. They are equipped with feed-thru connection terminals for easily connecting multiple sections of the circuit and line & load side lug terminals for accommodating aluminium / copper wires. These breakers are available in current ratings ranging from 300A to 1200A on Raptor Supplies.

Square D PowerPact L Series circuit breakers are designed for installation in emergency power systems and data centres by providing protection from overload or short-circuit conditions. These units feature a non-interchangeable, thermal-magnetic trip for delivering both long-time and instantaneous current limiting functions. The molded case of these breakers accommodate current-carrying components, trip devices and other mechanisms within a very small space. They are further integrated with I-Line style plug-in mounting facility for easy installation and maintenance; suitable for reverse feed applications. Choose from an extensive range of these LA / LH frame circuit breakers available in 2 and 3 pole construction options on Raptor Supplies.