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Molded case circuit breakers protect various electrical circuits and equipment from overcurrents and short circuits. These breakers consist of a molded case housing that encloses the circuit
...Read moreGeneral Electric Q-line circuit breakers are suitable for protecting electrical circuits and devices from current overloads and short circuits. These units feature a thermal-magnetic tripping mechanism ensuring both instantaneous and time-delayed current limiting functions and a bolt-on mounting configuration for bolting the bus connections of the load centres or lighting panels. Choose from a wide variety of these breakers available in amperage ratings ranging from 15 to 40A on Raptor Supplies.
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L| Style | Model | Number Of Poles | Amps | Circuit Breaker Type | Ac Voltage Rating | Frame Size | Voltage | Aic Rating | Min. Wire Size | Price (inc. VAT) | |
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| A | THHQB1120AF | £228.25 | |||||||||
| B | THHQB1120AF2 | £378.84 | |||||||||
| C | THHQB1125 | £41.08 | |||||||||
| D | THHQB1160 | £46.03 | |||||||||
| C | THHQB1140 | £46.03 | |||||||||
| C | THHQB1150 | £46.03 | |||||||||
| D | THHQB1120 | £39.47 | |||||||||
| E | THHQB1120GFT | £241.29 | |||||||||
| D | THHQB1130 | £39.47 | |||||||||
| C | THHQB1115GF | - | RFQ
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| F | THHQB2170 | £127.34 | |||||||||
| F | THHQB2190 | £146.72 | |||||||||
| G | THHQB2130 | £96.52 | |||||||||
| G | THHQB2120 | £90.91 | |||||||||
| F | THHQB2180 | £146.72 | |||||||||
| F | THHQB2150 | £97.69 | |||||||||
| F | THHQB2160 | £97.69 | |||||||||
| H | THHQB32015 | £198.96 | |||||||||
| H | THHQB32040 | £198.96 | |||||||||
| I | THHQB32060 | £761.51 | |||||||||
| J | THHQB32020 | £198.96 | |||||||||
| K | THHQB32030 | £198.96 | |||||||||
| H | THHQB32035 | £220.01 | |||||||||
| L | THHQB32050 | £208.36 | |||||||||
| H | THHQB32070 | - | RFQ
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Square D MA Series molded case circuit breakers designed for short-circuit and overcurrent protection in industrial & commercial panelboards. They have a compact M frame design to offer superior performance while requiring minimum panelboard space. These 3 pole, 3 phase circuit breakers feature a non-interchangeable, thermal magnetic trip to provide both long-time & instantaneous current limiting protection and I-Line style plug in mounting for secure connection with panelboards. MA Series breakers are vailable in current ratings ranging from 300A to 700A on Raptor Supplies.
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FSquare D PEF Series circuit breakers are specially designed to provide industrial and commercial circuit protection against damages caused by overload and short-circuit conditions. These UL-listed devices feature a unique MicroLogic non-interchangeable trip for delivering long-time, short-time & instantaneous current limiting actions. They are integrated with a bolt-on mounting design to ensure ease-of-installation in cramped spaces and provide current ratings up to 2500A at a maximum interrupt capacity of 100kA at 480VAC.
A| Style | Model | Amps | Number Of Poles | Voltage Type | Frame Type | Voltage | Aic Rating | |
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| A | PEF361200LS | RFQ
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| A | PEF361200LI | RFQ
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| A | PEF361200LSG | RFQ
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| A | PEF361600LI | RFQ
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| A | PEF361600LS | RFQ
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| A | PEF361600LIG | RFQ
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| A | PEF361600LSG | RFQ
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| A | PEF362000LI | RFQ
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| A | PEF362000LS | RFQ
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| A | PEF362000LSG | RFQ
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| A | PEF362000LIG | RFQ
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| A | PEF36250LSG | RFQ
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| A | PEF362500LI | RFQ
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| A | PEF362500LS | RFQ
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Square D QGP Series molded case circuit breakers are designed to protect electrical circuits and equipment from excessive currents. These QGP Series MCCBs have a thermal-magnetic trip to prevent short circuits. They feature a bolt-on connection for ease of installation and maintenance. These MCCBs offer an interrupt rating of 65kAIC at 240V and come with a QGP-type frame for enhanced protection from dust & debris.
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F| Style | Model | Number Of Poles | Amps | Voltage Type | Frame Type | Voltage | Aic Rating | Price (inc. VAT) | |
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| A | QGP22200TM | £1,323.73 | |||||||
| B | QGP22150TM | £1,323.73 | |||||||
| C | QGP22125TM | £1,323.73 | |||||||
| D | QGP32100TM | £2,139.36 | |||||||
| E | QGP32200TM | £2,139.36 | |||||||
| D | QGP32150TM | £2,139.36 | |||||||
| D | QGP32070TM | £2,139.36 | |||||||
| F | QGP32225TM | - | RFQ
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Square D ECB Series circuit breakers are ideal for use on circuits feeding high intensity discharge lighting & fluorescent systems, ensuring protection from faulty currents. These UL-listed circuit breakers feature bolt-on mounting design to ensure ease of installation in cramped spaces. They provide current ratings up to 30A and deliver interrupt capacity of 14kA at 480VAC. Choose from an extensive range of these single / double pole circuit breakers on Raptor Supplies.
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F| Style | Model | Number Of Poles | Amps | Voltage | Voltage Type | Frame Type | Aic Rating | Price (inc. VAT) | |
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| A | ECB142020G3EL | £283.69 | |||||||
| B | ECB14020G3 | £253.38 | |||||||
| B | ECB14030G3 | £253.38 | |||||||
| B | ECB14015G3 | £319.61 | |||||||
| A | ECB14020G3EL | - | RFQ
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| C | ECB24015G3 | £761.05 | |||||||
| D | ECB24020G3 | £761.05 | |||||||
| E | ECB24030G3 | £761.05 | |||||||
| F | ECB34015G3 | £959.44 | |||||||
| F | ECB34020G3 | £959.44 |
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CSquare D QBL Series circuit breakers feature a PowerPact Q frame for overcurrent protection and switching On AC systems. These circuit breakers feature a thermal-magnetic trip mechanism that overrides mild currents while instantly responding to heavy fluctuations. They are built in accordance with UL Standard 489 and NEMA Standard AB-1-1999. These circuit breakers feature an over-centre toggle mechanism with a trip-free action to provide quick make and break operation. The integral push-to-trip button in the cover enables the user to manually trip the circuit breaker. Raptor Supplies offers a huge variety of these circuit breakers in 2 and 3 pole configurations.
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D| Style | Model | Number Of Poles | Amps | Phase | Circuit Breaker Type | Ac Voltage Rating | Phase Connection | Voltage Type | Frame Type | Price (inc. VAT) | |
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| A | QBL22125 | £446.67 | |||||||||
| A | QBL22110 | - | RFQ
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| A | QBL22225 | £446.67 | |||||||||
| A | QBL22100 | £413.16 | |||||||||
| B | QBL22250 | £632.31 | |||||||||
| A | QBL22150 | £446.67 | |||||||||
| A | QBL22070 | £512.83 | |||||||||
| A | QBL22080 | £446.67 | |||||||||
| A | QBL22175 | £413.16 | |||||||||
| A | QBL22200 | £413.16 | |||||||||
| A | QBL22090 | £512.83 | |||||||||
| C | QBL32090 | £1,056.71 | |||||||||
| C | QBL32200 | £1,015.40 | |||||||||
| C | QBL32125 | £1,015.40 | |||||||||
| D | QBL32100 | £1,056.71 | |||||||||
| C | QBL32110 | £1,056.71 | |||||||||
| C | QBL32250 | £1,400.23 | |||||||||
| C | QBL32175 | £1,015.40 | |||||||||
| C | QBL32080 | £1,056.71 | |||||||||
| C | QBL32225 | £1,015.40 | |||||||||
| C | QBL32150 | £1,015.40 | |||||||||
| D | QBL32070 | £1,056.71 |
Square D HJA Series circuit breakers are best suited for use in panelboards, industrial enclosures, busway plug-in units, switchboards and motor control centres for providing protection against short-circuit conditions and current overloads. These UL-listed breakers feature I-Line style plug-in design for ensuring ease-of-installation, a non-interchangeable thermal-magnetic trip for providing both time-delayed and instantaneous current limiting functions. Choose from a broad range of these current limiting breakers available in amperage ratings ranging from 15 to 150A on Raptor Supplies.
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B| Style | Model | Number Of Poles | Amps | Aic Rating | Voltage Type | Frame Type | Voltage | Price (inc. VAT) | |
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| A | HJA260354 | - | RFQ
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| A | HJA261101 | - | RFQ
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| B | HJA260301 | - | RFQ
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| B | HJA260251 | - | RFQ
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| B | HJA260254 | - | RFQ
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| A | HJA260804 | - | RFQ
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| B | HJA260602 | £1,537.34 | |||||||
| B | HJA260302 | £1,400.23 | |||||||
| B | HJA260604 | - | RFQ
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| A | HJA260351 | - | RFQ
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| A | HJA260802 | - | RFQ
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| A | HJA260901 | - | RFQ
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| A | HJA260904 | - | RFQ
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| A | HJA261002 | £1,629.36 | |||||||
| B | HJA260704 | - | RFQ
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| B | HJA260152 | - | RFQ
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| B | HJA260702 | - | RFQ
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| B | HJA260201 | £1,400.23 | |||||||
| B | HJA260502 | £1,537.34 | |||||||
| A | HJA260352 | £1,537.34 | |||||||
| A | HJA261104 | - | RFQ
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| A | HJA261252 | - | RFQ
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| A | HJA261501 | - | RFQ
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| A | HJA261252 | - | RFQ
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| B | HJA260402 | £1,537.34 |
Square D HJL Series circuit breakers are suitable for installation within switchboards, motor control centres, panelboards, industrial enclosures and busway plug-in units for protecting connected circuits & equipment against short circuits & faulty currents. These feed-thru circuit breakers feature non-interchangeable thermal magnetic trip for providing both long time & instantaneous trip functions for reacting against severe short-circuits at once while avoiding tripping on mild overloads. They come with load & line side lug terminals for hassle-free wiring & installation. These 2 / 3 pole molded case circuit breakers are available in amperage ratings ranging from 15 to 150A on Raptor Supplies.
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F| Style | Model | Number Of Poles | Amps | Voltage Type | Frame Type | Voltage | Aic Rating | Price (inc. VAT) | |
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| A | HJL26045 | £1,103.45 | |||||||
| A | HJL26025 | £1,103.45 | |||||||
| A | HJL26050 | - | RFQ
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| A | HJL26060 | - | RFQ
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| A | HJL26125 | - | RFQ
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| A | HJL26080 | - | RFQ
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| A | HJL26040 | - | RFQ
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| A | HJL26035 | £1,103.45 | |||||||
| A | HJL26030 | - | RFQ
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| A | HJL26020 | - | RFQ
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| A | HJL26015 | - | RFQ
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| A | HJL26110 | £2,587.09 | |||||||
| A | HJL26090 | - | RFQ
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| A | HJL26070 | - | RFQ
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| A | HJL26150 | £2,217.47 | |||||||
| A | HJL26100 | £1,323.73 | |||||||
| B | HJL36060 | £1,181.51 | |||||||
| C | HJL36020 | £1,181.51 | |||||||
| B | HJL36030 | £1,181.51 | |||||||
| D | HJL36045 | £1,269.16 | |||||||
| E | HJL36100M73 | £1,826.51 | |||||||
| F | HJL36080 | £1,480.73 | |||||||
| B | HJL36100 | £1,480.73 | |||||||
| F | HJL36125 | £2,400.05 | |||||||
| E | HJL36080SA | £1,640.07 |
Square D HLA Series PowerPact molded case circuit breakers protect electrical circuits from overcurrents and short-circuits. The current limiting design of these breakers makes them ideal for reverse feed applications. These H frame breakers feature a non-interchangeable, thermal-magnetic trip to provide both long-time & instantaneous trip functions during mild nuisance tripping & severe overloading. They are equipped with I-Line style plug-in for facilitating smooth installation in panelboards. These molded case circuit breakers are available in 2 & 3 pole configurations on Raptor Supplies.
AB| Style | Model | Number Of Poles | Amps | Voltage Type | Frame Type | Voltage | Aic Rating | Price (inc. VAT) | |
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| A | HLA261004 | - | RFQ
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| B | HLA260701 | - | RFQ
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| A | HLA261102 | £3,143.46 | |||||||
| B | HLA260502 | - | RFQ
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| B | HLA260454 | - | RFQ
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| B | HLA260451 | - | RFQ
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| A | HLA260351 | £1,335.27 | |||||||
| A | HLA260902 | £1,659.82 | |||||||
| A | HLA261254 | £3,143.46 | |||||||
| B | HLA260301 | - | RFQ
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| B | HLA260202 | - | RFQ
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| B | HLA260402 | £1,509.77 | RFQ
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| B | HLA260801 | - | RFQ
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| B | HLA260702 | - | RFQ
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| B | HLA260604 | - | RFQ
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| B | HLA260201 | - | RFQ
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| B | HLA260602 | - | RFQ
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| B | HLA260601 | - | RFQ
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| B | HLA260504 | - | RFQ
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| B | HLA260501 | - | RFQ
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| B | HLA260452 | - | RFQ
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| B | HLA260151 | - | RFQ
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| B | HLA260304 | £1,916.35 | |||||||
| A | HLA260802 | £1,659.82 | |||||||
| A | HLA260901 | £1,659.82 |
Square D JLA Series circuit breakers are designed for limiting let-through current for protecting downstream components in power distribution applications. These UL listed circuit breakers feature I-Line style plug-in design for ensuring ease-of-installation and load side lug terminals for hassle-free wiring. They are equipped with a non-interchangeable thermal magnetic trip for long time & instantaneous trip functions for reacting against severe short-circuits at once while avoiding tripping on mild overloads. These 3 pole circuit breakers are available in current ratings ranging from 150 to 250A on Raptor Supplies.
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C| Style | Model | Amps | Number Of Poles | Voltage Type | Frame Type | Voltage | Aic Rating | Price (inc. VAT) | |
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| A | JLA36150 | - | RFQ
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| B | JLA36225 | - | RFQ
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| A | JLA36250 | - | RFQ
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| A | JLA36200 | £4,626.34 | |||||||
| C | JLA36175LC | - | RFQ
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| C | JLA36175 | - | RFQ
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| C | JLA36200SA | - | RFQ
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| C | JLA36250U31X | £7,678.98 | |||||||
| C | JLA36250U54XEK | - | RFQ
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Square D KCL Series circuit breakers are suitable for installation within industrial control panels & switchboards for protecting electrical circuits & equipment against current overloads & short-circuits. These feed-thru circuit breakers feature thermal magnetic trip for providing both long time & instantaneous functions for reacting against severe short-circuits at once while avoiding tripping on mild overloads. They are ideal for applications demanding very high interrupting capacity and come equipped with line & load side lug terminals that ensure hassle-free wiring & eliminate chances of connections loosening due to vibrations. These 3 pole molded case circuit breakers are available in amperage ratings ranging from 125 to 250A on Raptor Supplies.
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CSquare D LIL Series molded case circuit breakers safeguard electrical circuits by quickly interrupting the current's flow in the event of overloads or short circuits, preventing damage to equipment and ensuring safety. These breakers utilise their advantage in commercial and industrial environments for reliable circuit protection. They feature a feed-thru design that enables power to pass through the breaker uninterrupted. They operate at voltages up to 600V and have interrupting capacity of 200kAIC at 480V without causing damage. These circuit breakers have a three-pole configuration for managing circuits across three phases, ensuring comprehensive protection.
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BCSquare 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.
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N| Style | Model | Number Of Poles | Amps | Ac Voltage Rating | Phase | Phase Connection | Frame Size | Min. Wire Size | Terminal Connection Type | Price (inc. VAT) | |
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| A | HGL26125 | £1,537.34 | |||||||||
| B | MGL26800 | £8,821.82 | |||||||||
| C | HGA260702 | £2,984.28 | |||||||||
| D | JGL26225 | £4,088.77 | |||||||||
| C | HGA260601 | £1,150.76 | |||||||||
| E | JDL26225 | £2,105.27 | |||||||||
| C | HGA260402 | £1,150.76 | |||||||||
| C | HGA260252 | £1,891.42 | |||||||||
| C | HGA260154 | £1,150.76 | |||||||||
| F | Q4L2250 | £4,192.71 | |||||||||
| B | MJL26350 | £16,031.46 | |||||||||
| B | MGL26600 | £7,548.25 | |||||||||
| F | Q4L2350 | £3,991.72 | |||||||||
| G | Q4L2300 | £4,100.57 | |||||||||
| H | QDA221102 | £2,257.86 | |||||||||
| I | MJA264002 | £12,401.16 | |||||||||
| J | QDA220701 | £2,257.86 | |||||||||
| B | MGL26450 | £8,771.03 | |||||||||
| K | LA26350AB | £7,665.80 | |||||||||
| L | JGA262501 | £8,514.97 | |||||||||
| D | JGL26250 | £5,461.41 | |||||||||
| D | JGL26200 | £3,182.02 | |||||||||
| M | JDL26200 | £1,916.35 | |||||||||
| C | HGA261501 | £4,119.52 | |||||||||
| N | JGA261752 | £6,335.15 |
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.
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E| Style | Model | Number Of Poles | Amps | Voltage Type | Frame Type | Voltage | Aic Rating | Price (inc. VAT) | |
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| A | QGL22200 | £1,241.40 | |||||||
| A | QGL22100 | £1,241.40 | |||||||
| A | QGL22225 | £1,241.40 | |||||||
| A | QGL22125 | £1,241.40 | |||||||
| A | QGL22150 | £1,241.40 | |||||||
| A | QGL22175 | £1,916.35 | |||||||
| B | QGL22200LW | £1,038.49 | RFQ
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| C | QGL32100 | £1,782.87 | |||||||
| C | QGL32150 | £1,782.87 | |||||||
| C | QGL32175 | £1,782.87 | |||||||
| D | QGL32070 | £1,782.87 | RFQ
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| D | QGL32250 | £2,035.03 | |||||||
| C | QGL32090 | £1,782.87 | |||||||
| C | QGL32125 | £1,782.87 | |||||||
| E | QGL32200 | £1,782.87 | |||||||
| D | QGL32080 | - | RFQ
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Square D ME Series molded case circuit breakers provide short-circuit and overload protection to switchboards, panelboards, motor control centers and busways. These 3 pole, 3 phase breakers feature a thermal magnetic trip mechanism that ensures both long-time and instantaneous current limiting protection. They are equipped with lug terminals for accommodating aluminium or copper wires and allow I-Line style plug in mounting to ensure smooth installation in loadcentres. These CSA-certified and UL-listed breakers are available in 250 to 800A current ratings on Raptor Supplies.
A| Style | Model | Number Of Poles | Voltage Type | Frame Type | Voltage | Aic Rating | |
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| A | ME36800LS | RFQ
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| A | ME36250LS | RFQ
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| A | ME36800LI | RFQ
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| A | ME36800LSG | RFQ
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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.
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G| Style | Model | Amps | Number Of Poles | Voltage Type | Frame Type | Voltage | Aic Rating | Price (inc. VAT) | |
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| A | MAL36600 | - | RFQ
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| B | MAL361200 | £10,773.01 | |||||||
| C | MAL36350 | £8,651.77 | |||||||
| D | MAL36450 | - | RFQ
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| A | MAL36800 | - | RFQ
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| E | MAL36300 | £8,651.77 | |||||||
| A | MAL36400 | - | RFQ
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| A | MAL36500 | £8,651.77 | |||||||
| F | MAL36500-1212 | £8,609.30 | |||||||
| G | MAL3660033M | - | RFQ
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| G | MAL3660040M | - | RFQ
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| G | MAL36600-1021 | - | RFQ
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| G | MAL36000MV | - | RFQ
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| G | MAL36700 | £9,136.64 |
Square D LXI Series circuit breakers are designed to interrupt circuits exceeding the ambient operating temperature. These devices feature a solid electronic trip unit with current sensors, a Micrologic processor and a trip unit providing instantaneous and time-delayed current limiting functions. They are further integrated with I-Line style plug-in design for ensuring ease-of-installation and load-side lugs for hassle-free wiring. Choose from a broad range of these current limiting breakers available in amperage ratings of 400A and 600A on Raptor Supplies.
ASquare D LX Series circuit breakers are specially designed to provide circuit protection against damages caused by overload and short-circuit conditions. These devices feature a unique MicroLogic non-interchangeable trip for delivering both long-time and instantaneous current limiting functions and I-Line style plug-in mounting design to ensure ease-of-installation in compact spaces. Choose from an extensive array of these circuit breakers available in amperage ratings of 125A, 250A, 400A and 600A on Raptor Supplies.
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DSquare 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.
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CDE| Style | Model | Number Of Poles | Amps | Frame Type | Aic Rating | Voltage Type | Voltage | Price (inc. VAT) | |
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| A | QJL22100 | £2,217.47 | |||||||
| B | QJL22175 | £2,217.47 | |||||||
| A | QJL22125 | - | RFQ
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| A | QJL22150 | - | RFQ
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| A | QJL22200 | £1,782.87 | |||||||
| A | QJL22225 | - | RFQ
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| B | QJL22250 | - | RFQ
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| C | QJL32125 | £2,368.35 | |||||||
| C | QJL32150 | £2,368.35 | |||||||
| C | QJL32225 | £2,368.35 | |||||||
| D | QJL32175 | £2,368.35 | |||||||
| E | QGL32225 | £1,782.87 | |||||||
| C | QJL32100 | - | RFQ
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| D | QJL32250 | £2,557.56 | |||||||
| C | QJL32200 | £2,368.35 |
General Electric Spectra Series SGLL circuit breakers are suitable for control panels & switchboards for protection against current overloads & short-circuits. These UL-listed circuit breakers feature MicroVersa Trip unit for providing long time, instantaneous & target trip functions and bolt-on mounting design for ease of installation & wiring. They are equipped with a solid state protection mechanism to electronically control the current flow and provide advanced safety for appliances. These 3 pole, 3 phase Spectra Series circuit breakers are available in 400 and 600A current ratings on Raptor Supplies.
A| Style | Model | Number Of Poles | Voltage Type | Frame Type | Voltage | Aic Rating | Price (inc. VAT) | |
|---|---|---|---|---|---|---|---|---|
| A | SGLL36AT0400 | £5,740.40 | RFQ
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| A | SGLL36AT0600 | - | RFQ
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| A | SGLL36BA0400 | - | RFQ
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Molded case circuit breakers are designed to prevent the flow of faulty power supplies into sensitive electrical equipment that may cause overloads and short circuits. With current ratings up to 1600A, these units are ideal for isolation applications in large PV systems. Raptor Supplies offers a wide range of these MCCBs from brands like ABB, Square D, Eaton, General Electric and Siemens. Square D circuit breakers come equipped with a thermal-magnetic trip unit which instantly opens under faulty currents and are capable of providing both time-delayed and instantaneous current limiting functions. These units feature an I-line type configuration at the ON end for facilitating bus connections in panelboards and lugs at the OFF end for cable connection. General Electric molded case circuit breakers feature a programmable electronic trip unit which accentuates the toggle when the current exceeds the predetermined value. These breakers come equipped with bolt-on type terminals for easy installation in reverse-feed applications. They are available in 2 and 3 pole options with a maximum voltage rating of 600VAC on Raptor Supplies.
While both molded case circuit breakers and conventional circuit breakers serve the same primary purpose of protecting electrical circuits, MCCBs are a specific type of circuit breaker with a molded case for added durability and protection.
Once the fault or overload is resolved, you can reset the MCCB to restore power to the circuit.
Molded case circuit breakers are designed for higher current ratings and are used in industrial settings with heavy machinery, while MCBs are smaller and designed for residential or light commercial applications with lower current ratings.
Yes, MCCBs are commonly used in three-phase systems. Brands like WEG, Siemens and ABB come in various configurations to suit single-phase or three-phase applications.
Selecting the right MCCB involves considering factors such as the system's voltage, current rating, environmental conditions and specific protection requirements.