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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 more| Style | Model | MPN | Price (inc. VAT) | |
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| A | MIT ACW 125 | £147.10 | RFQ
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| A | MIT ACW 250 | £164.07 | RFQ
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| A | MIT ACW 400 | £179.74 | RFQ
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| A | MIT ACW 800 | £191.49 | RFQ
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Siemens CLD Series circuit breakers protect electrical equipment against short circuit and overload conditions. They feature a thermal-magnetic trip unit allowing instantaneous and long time current limiting protection. They are integrated with bolt-on mounting for reducing installation time and are suitable for branch feed applications. These UL-listed circuit breakers feature a 3-pole design and deliver a high interrupting capacity of 150kA at 480VAC. These LD frame circuit breakers (with current ratings varying from 225A to 400A) are available on Raptor Supplies.
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BGeneral Electric circuit breakers are designed to provide feeder and branch circuit protection in branch service applications. These Mag-Break circuit breakers feature a magnetic trip to offer instantaneous trip function for maximum current limiting protection. The molded case holds the current-carrying components, trip devices and mechanisms integrated into a confined space. These breakers come equipped with line and load side lug terminals with feed-thru connection for easy installation. TJC Series circuit breakers are available in current ratings ranging from 400 to 600A on Raptor Supplies.
AGeneral Electric Q-line circuit breakers protect electrical circuits and machinery against current overloads and short circuits. These UL-listed circuit breakers feature a non-interchangeable trip unit offering both long time and instantaneous overcurrent protection. They come with a molded case to hold current-carrying components, trip devices and other mechanisms in a compact space. The line and load side lug terminals with feed-thru connection ensure maximum conductivity and ease-of-wiring. General Electric MCCBs are available in 2 and 3 pole configurations on Raptor Supplies.
A| Style | Model | Number Of Poles | Voltage Type | Frame Type | Voltage | Aic Rating | Price (inc. VAT) | |
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| A | TJD422300WL | £3,795.77 | RFQ
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| A | TJD422350WL | - | RFQ
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| A | TJD422400WL | £3,795.77 | RFQ
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| A | TJD422Y400 | - | RFQ
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| A | TJD422250WL | - | RFQ
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| A | TJD432250WL | £3,795.77 | RFQ
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| A | TJD432350WL | £3,795.77 | RFQ
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| A | TJD432300WL | - | RFQ
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| A | TJD432400WL | - | RFQ
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| A | TJD432Y400 | £3,477.46 | RFQ
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General Electric TKC Series molded case circuit breakers provide superior protection to electrical appliances from overcurrent and short-circuits. These Mag-Break motor circuit protectors have 3 pole & 3 phase configuration and feature a magnetic trip to provide instantaneous current limiting protection. They are equipped with feed-thru connection terminals for facilitating smooth installation in panelboards. These molded case circuit breakers are available in 1200A and 800A current ratings on Raptor Supplies.
A| Style | Model | Number Of Poles | Voltage Type | Frame Type | Voltage | Aic Rating | |
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| A | TKC361200M | RFQ
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| A | TKC36800L | RFQ
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| A | TKC361200L | RFQ
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| A | TKC36800M | RFQ
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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.
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CDSquare 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.
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B| Style | Model | Number Of Poles | Voltage Type | Frame Type | Voltage | Aic Rating | Price (inc. VAT) | |
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| A | QBA221001 | £632.31 | ||||||
| A | QBA221752 | £632.31 | ||||||
| B | QBA32100 | £1,150.76 | ||||||
| A | QBA222252 | £632.31 | ||||||
| A | QBA221252 | £632.31 | ||||||
| B | QBA32200 | £1,241.40 | ||||||
| B | QBA32150 | £1,241.40 | ||||||
| A | QBA222001 | £632.31 | ||||||
| A | QBA221102 | £632.31 | ||||||
| B | QBA32175 | £1,241.40 | ||||||
| A | QBA222004 | £632.31 | ||||||
| A | QBA221754 | £632.31 | ||||||
| A | QBA221504 | £761.05 | ||||||
| A | QBA221002 | £632.31 | ||||||
| A | QBA221501 | £632.31 | ||||||
| A | QBA221251 | £632.31 | ||||||
| A | QBA221101 | £632.31 | ||||||
| B | QBA32225 | £1,323.73 | ||||||
| A | QBA222254 | £632.31 | ||||||
| A | QBA222251 | £632.31 | ||||||
| A | QBA222002 | £632.31 | ||||||
| A | QBA221751 | £632.31 | ||||||
| A | QBA221502 | £632.31 | ||||||
| A | QBA221254 | £632.31 | ||||||
| A | QBA221104 | £761.05 |
Square D FY Series molded case circuit breakers are ideal for protection of panelboards and loadcentres from short-circuiting and current overloading. These UL-listed devices feature I-Line style plug-in design for easy installation and a thermal-magnetic trip for providing both time-delayed and instantaneous current limiting functions. These single pole circuit breakers are designed to withstand an ambient temperature of 40 degrees C and are available in amperage ratings ranging from 15 to 30A on Raptor Supplies.
ASquare D HDL Series molded case circuit breakers provide overcurrent or short-circuit protection in industrial & commercial loadcentres and are ideal against severe overloading & mild nuisance tripping. These circuit breakers feature a thermal-magnetic trip for providing both long-time and instantaneous circuit protection and line & load side lug terminals for accommodating aluminium / copper wires & providing a secure connection. They are equipped with a centre placed toggle actuator for manual tripping and fault indication. The free-standing mounting style offers easy and quick installation. HDL Series circuit breakers are available in 2 and 3 pole options on Raptor Supplies.
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J| Style | Model | Number Of Poles | Amps | Phase | High Amp Trip Setting | Low Amp Trip Setting | Circuit Breaker Type | Ac Voltage Rating | Phase Connection | Price (inc. VAT) | |
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| A | HDL26035 | £895.33 | |||||||||
| B | HDL26125 | £1,181.51 | |||||||||
| C | HDL26090 | £920.10 | |||||||||
| D | HDL26045 | £895.33 | |||||||||
| E | HDL26060 | £829.61 | |||||||||
| A | HDL26030 | £829.61 | |||||||||
| A | HDL26020 | £829.61 | |||||||||
| A | HDL26150 | £1,181.51 | |||||||||
| C | HDL26100 | £920.10 | |||||||||
| B | HDL26110 | - | RFQ
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| D | HDL26040 | £829.61 | |||||||||
| E | HDL26070 | £920.10 | |||||||||
| D | HDL26050 | £829.61 | |||||||||
| C | HDL26080 | £920.10 | |||||||||
| A | HDL26025 | £895.33 | |||||||||
| F | HDL36125AASA | - | RFQ
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| F | HDL36150SA | - | RFQ
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| G | HDL36110 | £1,567.07 | |||||||||
| F | HDL36100U33X | £1,706.59 | |||||||||
| H | HDL36150 | £1,567.07 | |||||||||
| H | HDL36125 | £1,567.07 | |||||||||
| H | HDL36050 | £895.33 | |||||||||
| I | HDL36045 | £942.76 | |||||||||
| J | HDL36040 | £895.33 | |||||||||
| I | HDL36030 | £895.33 |
Square D HGL Series circuit breakers are designed to protect electrical equipment from damages caused by short circuits and overload occurrences. These units come equipped with a thermal-magnetic trip, calibrated at 40 degrees C ( ambient temperature), allowing both instantaneous and long-time current limiting functions. The H-frame design of these breakers offers interrupt capacities of 65kA @ 240 VAC, 35kA @ 480 VAC and 18kA @ 600 VAC. These breakers feature unit mounting (lug-lug) construction for reducing the installation and maintenance downtime and can accommodate aluminium or copper wires with sizes ranging from 14 to 3 AWG. Choose from a wide range of these IEC protectors available in 2 and 3 pole configurations on Raptor Supplies.
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J| Style | Model | Number Of Poles | Amps | Phase | High Amp Trip Setting | Low Amp Trip Setting | Circuit Breaker Type | Ac Voltage Rating | Phase Connection | Price (inc. VAT) | |
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| A | HGL26080 | £1,890.59 | |||||||||
| A | HGL26040 | £959.44 | |||||||||
| A | HGL26050 | £959.44 | |||||||||
| A | HGL26090 | £1,213.06 | |||||||||
| A | HGL26045 | £1,056.71 | |||||||||
| A | HGL26025 | £1,670.51 | |||||||||
| B | HGL26150 | £1,537.34 | |||||||||
| A | HGL26035 | - | RFQ
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| A | HGL26015 | £959.44 | |||||||||
| A | HGL26030 | £959.44 | |||||||||
| A | HGL26100 | £1,213.06 | |||||||||
| A | HGL26070 | £1,213.06 | |||||||||
| C | HGL36080 | £1,269.16 | |||||||||
| D | HGL36030 | £959.44 | |||||||||
| E | HGL36015 | £959.44 | |||||||||
| F | HGL36060SA | - | RFQ
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| G | HGL36110 | £1,916.35 | |||||||||
| H | HGL36150 | £1,916.35 | |||||||||
| I | HGL36050 | £959.44 | |||||||||
| C | HGL36070 | £1,269.16 | |||||||||
| F | HGL36150U33XSA | - | RFQ
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| H | HGL36125 | £1,916.35 | |||||||||
| H | HGL36060 | £959.44 | |||||||||
| J | HGL36090 | £1,269.16 |
Square D JGA Series circuit breakers designed for providing overcurrent protection and reducing downtime by instantly breaking the electric circuit exposed to short-circuit conditions. These J-frame units feature a thermal-magnetic trip, calibrated at 40 degrees C, providing long-time and instantaneous current limiting functions. They come integrated with I-Line style plug-in mounting facility for ease-of-installation and are suitable for reverse feed applications. The molded case of these breakers hold the current-carrying components, trip devices and other mechanisms within a compact space. They are UL-listed, CSA-certified & IEC-rated and are available with a maximum current rating of 250A on Raptor Supplies.
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B| Style | Model | Amps | Min. Wire Size | High Amp Trip Setting | Low Amp Trip Setting | Number Of Poles | Circuit Breaker Type | Ac Voltage Rating | Phase | Price (inc. VAT) | |
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| A | JGA36150 | £2,853.87 | |||||||||
| A | JGA36200 | £2,853.87 | |||||||||
| A | JGA36225 | £2,853.87 | |||||||||
| B | JGA36250U31X | £4,123.19 | |||||||||
| B | JGA36250U33X | £4,467.88 | |||||||||
| A | JGA36250 | £3,182.02 |
Square D MJL Series circuit breakers are designed to protect sensitive circuits from excessive current flows causing overloads or short circuits. These circuit breakers feature a programmable electronic trip for short-time, long-time & instantaneous tripping and a solid-state protection system for electronically controlling the current flow & providing advanced safety for appliances. These breakers are equipped with line and load side lug terminals to accommodate wires (copper / aluminium) of sizes ranging between 500 kcmil & 3 AWG. These circuit breakers provide current ratings up to 800A and deliver interrupt capacity of 100kA at 240VAC, 65kA at 480VAC and 25kA at 600VAC.
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B| Style | Model | Amps | Phase Connection | Min. Wire Size | High Amp Trip Setting | Low Amp Trip Setting | Number Of Poles | Circuit Breaker Type | Frame Size | Price (inc. VAT) | |
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| A | MJL36300 | £9,136.64 | |||||||||
| A | MJL36350 | £12,729.70 | |||||||||
| A | MJL36400 | £9,136.64 | |||||||||
| A | MJL36450 | £9,136.64 | |||||||||
| A | MJL36500 | £8,651.77 | |||||||||
| A | MJL36600 | £8,651.77 | |||||||||
| A | MJL36700 | £17,389.22 | |||||||||
| B | MJL36800AA | £12,070.96 | |||||||||
| A | MJL36800 | £9,136.64 |
Eaton CC Series circuit breakers provide overcurrent protection by limiting current flow. These circuit breakers come with a thermal-magnetic trip system that offers both long-time and instantaneous functionalities for optimal protection. The CC frame design provides an interrupting rating of 10kA @ 240V and current up to 225A for reverse feed applications. They feature bolt-on mounting and load side lug terminals for smooth installation. These molded case circuit breakers are available in 2 & 3 pole options on Raptor Supplies.
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BSiemens BE Series circuit breakers protect sensitive components against overcurrent and electric faults. They feature a thermal magnetic trip which overrides mild overloads while instantly reacting to severe current surges, providing maximum current limiting protection. These circuit breakers deliver a maximum interrupting capacity of 10kA at 120V / 240V. BE Series circuit breakers are available in current ratings between 15A & 60A on Raptor Supplies.
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KSiemens CFD Series molded case circuit breakers provide superior protection to circuits from overcurrent and short-circuits. These SENTRON circuit breakers have 3 pole, 3 phase configuration and feature a thermal magnetic trip to provide both long-time & instantaneous protection in severe overload encounters. They deliver an interrupting capacity of 200kA at 480VAC and are equipped with bolt-on mounting terminals to facilitate smooth installation in panelboards in vertical / horizontal orientation. These molded case circuit breakers are available in 70A and 200A current ratings 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 | CMD63B600 | - | RFQ
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| B | CMD63S800A | - | RFQ
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| C | CMD63B800 | £9,258.23 |
General Electric THQC Series circuit breakers are used to protect industrial machinery and equipment from short-circuit and overload occurrences. These UL-listed breakers come with a molded case to hold current carrying components, trip devices and other mechanisms in a compact space. These feed-thru breakers feature a thermal magnetic, non-interchangeable trip overriding mild overloads while instantly reacting to severe current spikes. They come with line and load side lug terminals to ensure maximum conductivity and ease-of-wiring. GE THQC breakers are available in a maximum voltage rating of 240V on Raptor Supplies.
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I| Style | Model | Number Of Poles | Amps | Voltage | Aic Rating | Voltage Type | Frame Type | Price (inc. VAT) | |
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| A | THQC1120GF | £160.05 | RFQ
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| B | THQC1130GF | £111.64 | RFQ
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| A | THQC1170WL | £25.34 | RFQ
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| C | THQC1160WL | £24.32 | |||||||
| C | THQC1150WL | £24.32 | |||||||
| C | THQC1140WL | £21.92 | |||||||
| C | THQC1125WL | £21.62 | |||||||
| D | THQC1130WL | £21.26 | |||||||
| E | THQC1120WL | £20.60 | |||||||
| C | THQC1115WL | £20.60 | |||||||
| F | THQC2160WL | £45.74 | |||||||
| G | THQC2180WL | £107.81 | RFQ
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| G | THQC2170WL | £94.85 | RFQ
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| H | THQC32070WL | £140.89 | RFQ
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| H | THQC32050WL | £94.85 | RFQ
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| I | THQC32040WL | £94.85 | RFQ
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| H | THQC32020WL | £94.85 | RFQ
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| H | THQC32025WL | £100.97 | RFQ
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| H | THQC32015WL | £94.85 | RFQ
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| H | THQC32035WL | £100.97 | RFQ
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| H | THQC32080WL | £142.35 | RFQ
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| H | THQC32060WL | £94.85 | RFQ
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| H | THQC32030WL | £94.85 | RFQ
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| H | THQC32100WL | £142.35 | RFQ
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Siemens circuit breakers are designed for use with power distribution systems to open a circuit under short-circuit or overload conditions. These UL-listed breakers feature a thermal-magnetic trip for providing long-time and instantaneous current limiting protection. The molded case of these devices holds the current-carrying components, trip devices and mechanisms integrated into a confined space. They further come with a bolt-on mounting design for easy installation in panels or switchboards in both horizontal and vertical directions. Choose from a wide range of these HJD / HJXD Series circuit breakers available in a maximum current rating of 125A on Raptor Supplies.
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ESiemens LD/LXD Series circuit breakers are designed to facilitate both low- and high-interrupting capacity requirements for protecting industrial equipment. These devices feature a thermal magnetic trip unit providing long time and instantaneous current limiting functions against current overloads or short-circuit conditions. They are further integrated with a bolt-on mounting design which can accommodate aluminium and copper wires of different sizes. Choose from a wide range of these bolt-on circuit breakers, available in 2- and 3-pole configurations on Raptor Supplies.
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O| Style | Model | Number Of Poles | Amps | Frame Type | Voltage Type | Voltage | Aic Rating | Price (inc. VAT) | |
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| A | LD62B600 | - | RFQ
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| B | LXD62B500 | £2,955.95 | |||||||
| A | LD62B500 | - | RFQ
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| C | LXD62B600 | £2,955.95 | |||||||
| D | LD63B600 | £2,459.66 | |||||||
| E | LXD63B450 | £3,137.94 | |||||||
| F | LXD63B600 | £3,137.94 | |||||||
| G | LXD63H600 | £3,023.34 | |||||||
| H | LXD63S600A | £3,023.34 | |||||||
| I | LXD63B450H | £3,304.49 | |||||||
| J | LXD63B500 | £3,137.94 | |||||||
| K | LXD63L600 | £3,023.34 | |||||||
| L | LXD63B600H | £3,304.49 | |||||||
| M | LD63B500 | £2,459.66 | |||||||
| N | LD63F600 | £2,870.85 | |||||||
| O | LXD63B500H | £3,304.49 |
Siemens JD/JXD Series frame circuit breakers are ideal for use with switchboards, power & distribution panelboards and enclosures for current overload protection. These UL-listed breakers feature a bolt-on mounting facility with pressure wire connectors accommodating aluminium or copper cables of different sizes. They come equipped with a thermal magnetic trip unit for delivering both instantaneous and time-delayed current limiting functions. The trip unit is further sealed and calibrated at 40 degrees C (ambient temperature) for preventing access to the current carrying components. Choose from a wide range of these circuit breakers available in 2- and 3-pole configurations with a power supply rated at 240V / 600V on Raptor Supplies.
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P| Style | Model | Number Of Poles | Amps | Frame Type | Voltage | Aic Rating | Voltage Type | Price (inc. VAT) | |
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| A | JXD62B300 | £3,002.50 | |||||||
| B | JXD62B350 | £3,002.50 | |||||||
| C | JXD62B400 | £3,002.50 | |||||||
| D | JXD62B225 | £3,002.50 | |||||||
| E | JD62B400 | £1,288.91 | |||||||
| F | JXD62B200 | £3,002.50 | |||||||
| D | JXD62B250 | £3,002.50 | |||||||
| E | JD62B350 | £1,288.91 | |||||||
| G | JXD23S400A | £2,535.56 | |||||||
| H | JXD63H400 | £3,135.17 | |||||||
| I | JXD63B200 | £3,135.17 | |||||||
| D | JXD23B300 | £2,535.56 | |||||||
| D | JXD23B250 | £2,535.56 | |||||||
| J | JD63B250 | - | RFQ
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| J | JD63B200 | - | RFQ
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| K | JXD63L400 | £3,135.17 | |||||||
| L | JXD63B225 | £3,135.17 | |||||||
| J | JD63B225 | £2,884.25 | |||||||
| J | JD63B350 | - | RFQ
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| J | JD63B300 | - | RFQ
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| M | JXD63S400A | £3,135.17 | |||||||
| N | JXD63B400H | £3,245.77 | |||||||
| O | JXD63B350H | £3,245.77 | |||||||
| P | JXD63B300H | £3,245.77 | |||||||
| L | JXD63B300 | £3,135.17 |
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.