Molded Case Circuit Breakers - Page 3 | Raptor Supplies

Molded Case Circuit Breakers

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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

GENERAL ELECTRIC -

TKM Frame Circuit Breaker

StyleModelAmps
ATHKMA836400WL400
RFQ
ATKMA836600WL600
RFQ
ATHKMA31000WL1000
RFQ
GENERAL ELECTRIC -

THLC1 Series, Circuit Breaker

StyleModelAmpsPrice
ATHLC136015WL15A-
RFQ
ATHLC136020WL20A€1,237.06
RFQ
ATHLC136030WL30A€1,237.06
RFQ
ATHLC136040WL40A€1,237.06
RFQ
ATHLC136050WL50A€1,237.06
RFQ
ATHLC136070WL70A€1,492.55
RFQ
ATHLC136080WL80A€1,071.00
RFQ
ATHLC136090WL90A-
RFQ
ATHLC136100WL100A-
RFQ
ATHLC136150WL150A-
RFQ
GENERAL ELECTRIC -

THJK Frame Circuit Breaker

StyleModelAmps
ATHJK636350WL350
RFQ
BTHJK636F000600
RFQ
GENERAL ELECTRIC -

TJK Frame Circuit Breaker

StyleModelAmpsNumber Of Poles
ATHJK436150WL1503
RFQ
BTHJK426F0004002
RFQ
SQUARE D -

Thermal Magnetic Circuit Breakers, I-Line Mount

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.

StyleModelAmpsCircuit Breaker TypeNumber Of PolesPhaseVoltagePrice
ALAL36125125A-3-600V-
RFQ
ALAL36150150Standard33-€4,650.86
BLAL36175175A-3-600V-
RFQ
CLAL36200MB200-3-600€4,650.86
DLAP36200MB200-3-600-
RFQ
ELAL36200200Standard33-€4,650.86
FLAL36225225Standard33-€4,650.86
DLAP36225MB225-3-600-
RFQ
GLAL34225MC225A-3-480V€2,332.80
CLAL36250-2100250-3-600€4,293.05
RFQ
CLAL36250MB250-3-600€4,650.86
HLAL26250MB250-2-600-
RFQ
ILAL26250250Standard21-€4,336.47
CLAL36250-1021250-3-600-
RFQ
DLAP36250MB250-3-600-
RFQ
CLAL36300-8041300-3-600€4,293.05
RFQ
CLAL36300MB300-3-600€4,650.86
DLAP36300MB300-3-600€4,650.86
DLAL36300-1021300-3-600-
RFQ
ILAL26300300Standard21-€4,336.47
CLAL36350-1212350-3-600€4,293.05
RFQ
ILAL26350350Standard21-€5,645.10
CLAL36350MB350-3-600€4,650.86
CLAL36350-1021350-3-600-
RFQ
JLAL26400400Standard21-€4,336.47
EATON -

C Series Complete Molded Case Circuit Breakers

Eaton Series C circuit breakers have GHB frames and are designed for use in power distribution systems to open a circuit under short-circuit or overload conditions. These breakers are suitable for panelboards, switchboards, motor control centers and busway applications. They feature a patented contact design featuring high-speed blow-open action for flexibility and optimum performance. These molded case circuit breakers are available in current ratings up to 100A on Raptor Supplies.

StyleModelAic RatingAmpsFrame TypeNumber Of PolesVoltagePrice
AGC3050DL-----€1,351.55
B84E1073------
RFQ
CGHB310014kAIC@480V100AGHB3480V€799.13
CGHB306014kAIC@480V60AGHB3480V€639.53
CGHB304014kAIC@480V40AGHB3480V€639.53
CGHB303514kAIC@480V35AGHB3480V€688.18
CGHB302514kAIC@480V25AGHB3480V€650.84
DGHB210014kAIC@480V100AGHB2480V€590.17
CGHB309014kAIC@480V90AGHB3480V€799.13
CGHB308014kAIC@480V80AGHB3480V€799.13
CGHB307014kAIC@480V70AGHB3480V€799.13
CGHB305014kAIC@480V50AGHB3480V€639.53
CGHB303014kAIC@480V30AGHB3480V€639.53
CGHB302014kAIC@480V20AGHB3480V€639.53
CGHB301514kAIC@480V15AGHB3480V€639.53
AGHB209014kAIC@480V90AGHB2480V€590.17
EDK340065kAIC@240V400ADK3240V€2,778.56
EDK330065kAIC@240V300ADK3240V€2,778.56
EATON -

G Series Molded Case Circuit Breakers

Eaton G Series circuit breakers provide overcurrent protection by limiting current flow. These circuit breakers feature a molded case to hold current-carrying components, trip devices and mechanisms integrated in a small space. They have a patented contact design featuring high speed blow-open action for maximum flexibility and performance. These circuit breakers have high repulsion contact arrangement and use arc extinguishing technology for complete current limiting protection. They come with a thermal magnetic trip mechanism that offers both long-time and instantaneous current limiting protection. These molded case circuit breakers are available for a maximum interrupting capacity of 100kA at 480V.

StyleModel
A84E2770
RFQ
A84E2480
RFQ
SIEMENS -

SND Series, Bolt On Circuit Breaker

StyleModelAmps
ASND69100A1000A
RFQ
BSND69100AG1000A
RFQ
BSND69100AH1000A
RFQ
CSND69100ANGT1000A
RFQ
CSND69100ANT1000A
RFQ
DSND69120ANGT1200
RFQ
ESND69120A1200A
RFQ
BSND69120AG1200A
RFQ
FSND69120AH1200A
RFQ
BSND69120ANGTH1200A
RFQ
CSND69120ANT1200A
RFQ
StyleModelPrice
AUBW250N-FTU250-3A€654.72
AUBW225H-FTU30-3A€407.62
RFQ
AUBW225N-FTU15-3A€280.90
RFQ
AUBW225N-FTU225-3A€654.72
RFQ
AUBW225N-FTU50-3A€280.90
RFQ
AUBW2500H-ELSI2500-3A€14,784.00
RFQ
AUBW250H-FTU250-3A€865.92
RFQ
AUBW400H-FTU400-3A€1,562.88
RFQ
AUBW400L-FTU300-3A€1,985.28
RFQ
AUBW400L-FTU400-3A€1,985.28
RFQ
AUBW600H-FTU500-3A€2,956.80
RFQ
AUBW600L-FTU600-3A€3,505.92
RFQ
AUBW1200H-ELSI1200-3A€10,348.80
RFQ
AUBW1200S-ELS1200-3A€8,997.12
RFQ
AUBW225H-FTU225-3A€865.92
RFQ
AUBW225L-FTU150-3A€1,013.76
RFQ
AUBW225L-FTU80-3A€570.24
RFQ
AUBW225L-FTU225-3A€1,013.76
RFQ
AUBW225L-FTU60-3A€506.88
RFQ
AUBW225N-FTU200-3A€654.72
RFQ
AUBW225L-FTU30-3A€506.88
RFQ
AUBW225L-FTU40-3A€506.88
RFQ
AUBW225L-FTU70-3A€506.88
RFQ
AUBW225N-FTU100-3A€307.51
RFQ
AUBW225N-FTU150-3A€654.72
RFQ
StyleModelPrice
ADWB160JH30-3DX€270.34
ADWB160CE70-3DX€209.09
ADWB160CE90-3DX€215.85
ADWB160JE60-3DX€235.70
ADWB250JE150-3DF€494.21
ADWB160CE30-3DX€209.09
ADWB250JH100-3DF€592.20
ADWB160JE40-3DX€235.70
ADWB250PH150-3DF€675.00
ADWB160JH80-3DX€294.41
ADWB160JE25-3DX€235.70
ADWB160JE80-3DX€244.57
ADWB160CE80-3DX€215.85
ADWB160CE25-3DX€209.09
ADWB160CH90-3DX€262.73
ADWB160JH70-3DX€270.34
ADWB160CH70-3DX€249.64
ADWB250JH250-3DF€592.20
ADWB160CE20-3DX€209.09
ADWB160CH50-3DX€249.64
ADWB160JH60-3DX€270.34
ADWB160JH20-3DX€270.34
ABS DWB160-250 E27€97.39
ABS DWB160-250 E15€97.39
ADWB250PE100-3DF€629.38
SIEMENS -

CFD Series, Bolt On Circuit Breaker

StyleModelAmpsNumber Of PolesPrice
ACFD63B080803€3,409.33
ACFD63B090903€3,409.33
BCFD63B1101103-
RFQ
BCFD63B2252253-
RFQ
BCFD62B2502502-
RFQ
EATON -

C Series Complete Molded Case Circuit Breakers, GDB Type, G Frame

StyleModelPrice
AGDB2015C€840.13
BGDB3045V€1,484.18
BGDB3040D€1,444.34
BGDB3035D-
RFQ
BGDB3050€1,517.78
BGDB3040DS101-
RFQ
CGDB3060DS101€3,183.57
BGDB3050DS101€3,308.68
BGDB3050D€1,558.62
CGDB3060DS1-
RFQ
BGDB3040V€1,484.18
BGDB3045D€1,479.40
BGDB3050V-
RFQ
BGDB3035V-
RFQ
CGDB3060D€1,597.11
CGDB3080V€2,032.58
CGDB3080DS1-
RFQ
CGDB3070D€1,915.24
CGDB3090D€1,884.35
CGDB3070V€2,032.58
CGDB3060V€1,484.18
CGDB3080D€2,033.52
CGDB3090V€2,032.58
CGDB3070DS101-
RFQ
CGDB3100D€2,033.52
SQUARE D -

MH Series 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.

StyleModelAmpsPrice
AMH36300300A-
RFQ
BMH36400400A-
RFQ
CMH36450450A-
RFQ
AMH36500500A€9,894.12
AMH36600600A€9,894.12
AMH36700700A€10,456.15
DMH36800800A€10,456.15
SQUARE D -

MHL Series Molded Case Circuit Breakers

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.

StyleModelAmpsNumber Of PolesVoltagePrice
AMHL36300300A3600V-
RFQ
BMHL36350-12123503600€8,996.05
RFQ
CMHL36350350A3600V€8,867.91
DMHL36400400A3600V€8,867.91
EMHL36450450A3600V-
RFQ
FMHL36500500A3600V€8,867.91
FMHL36600600A3600V-
RFQ
BMHL36700-10217003600€9,877.92
RFQ
FMHL36700700A3600V€9,894.12
BMHL268008002600€8,867.91
RFQ
BMHL36800-12128003600-
RFQ
FMHL36800800A3600V-
RFQ
BMHL369009003600€14,235.05
RFQ
FMHL3610001000A3600V€14,235.05
FMHL3612001200A3600V-
RFQ
SQUARE D -

NC Series Molded Case Circuit Breakers

Square D NC Series circuit breakers are ideal for use with panelboards and loadcentres for protecting electrical circuits from short-circuit and current overload conditions. They come integrated with I-Line style plug-in mounting facility for ease-of-installation and are also suitable for reverse-feed applications. The molded cases of these devices hold the current-carrying components, trip devices and other mechanisms within a compact space. These breakers, with 3-pole construction, are capable of delivering a maximum interrupting capacity of 100kA at 480V and adheres to UL, CSA and IEC standards. Choose from a wide range of these NC Series circuit breakers, available in current ratings ranging from 1000 to 1200A on Raptor Supplies.

StyleModelAmpsPrice
ANC3610001000A€17,757.55
RFQ
ANC3612001200A€17,757.55
RFQ
SQUARE D -

PGA Series Molded Case Circuit Breakers

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.

StyleModelAmpsVoltagePrice
APGA36040U43A400600-
RFQ
BPGA36060U43A600A600V-
RFQ
CPGA36080CU31A800600-
RFQ
CPGA36080CU33A800600-
RFQ
BPGA36080800A600V€13,289.46
DPGA361001000A600V€14,788.96
DPGA361201200A600V€15,333.53
DPGA36120U41A1200A600V€16,767.69
DPGA36120U44A1200A600V€19,245.44
SQUARE D -

PJA Series Molded Case Circuit Breakers

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.

StyleModelAmpsVoltagePrice
APJA36025U44AE1ABYP250600-
RFQ
APJA36025CU44A250600-
RFQ
APJA36080U41A800600€16,767.69
BPJA36080800A600V€15,808.66
CPJA36100U33A1000600€15,944.01
CPJA36100U41A1000600€16,767.69
DPJA361001000A600V€15,808.66
DPJA36100U44A1000A600V€19,245.44
CPJA36120U43A1200600€16,767.69
DPJA361201200A600V€15,808.66
DPJA36120U41A1200A600V€16,767.69
DPJA36120U44A1200A600V€19,245.44
SQUARE D -

QBA Series Molded Case Circuit Breakers

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.

StyleModelAmpsPrice
AQBA221001100A€613.72
BQBA32100100A€1,116.92
AQBA221002100A€613.72
AQBA221101110A€613.72
AQBA221102110A-
RFQ
AQBA221104110A€738.67
BQBA32110110A€1,116.92
AQBA221251125A€613.72
AQBA221252125A€613.72
AQBA221254125A€613.72
AQBA221501150A€613.72
AQBA221502150A€613.72
AQBA221504150A€738.67
BQBA32150150A€1,204.89
BQBA32175175A€1,204.89
AQBA221754175A€613.72
AQBA221752175A€613.72
AQBA221751175A€613.72
AQBA222004200A€613.72
AQBA222002200A€613.72
AQBA222001200A€613.72
BQBA32200200A€1,204.89
AQBA222251225A€613.72
AQBA222252225A€613.72
AQBA222254225A€613.72
SQUARE D -

Molded Case Circuit Breakers, Thermal Magnetic Trip

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.

StyleModelAmpsFrame TypeMax. Wire SizeMin. Wire SizeVoltagePrice
AQGA3207070QGA--240€2,152.25
BQGA22070270QGA--240-
RFQ
BQGA221002100QGA--240€1,284.79
CQGA221001100AQGA--240V€1,284.79
CQGA221004100AQGA--240V€1,284.79
DQGA32100100AQGA--240V€2,152.25
AQGA32125125QGA--240€2,152.25
BQGA221254125QGA--240€1,284.79
BQGA221251125QGA--240€1,284.79
CQGA221252125AQGA--240V€1,284.79
EJDL36150150-4/0 AWG4 AWG-€1,772.79
FJDL36150SA150JDL--600€3,696.65
CQGA221501150AQGA--240V€1,284.79
CQGA221502150AQGA--240V€1,284.79
CQGA221504150AQGA--240V€1,284.79
DQGA32150150AQGA--240V€2,152.25
AQGA32175175QGA--240€2,152.25
BQGA221752175QGA--240€1,706.60
CQGA221754175AQGA--240V€1,706.60
CQGA221751175AQGA--240V€1,706.60
AQGE32200200QGE--240-
RFQ
GJDL36200200-350 kcmil3/0 AWG-€1,772.79
FJDL36200AALC200JDL--600-
RFQ
BQGA222002200QGA--240€1,284.79
DQGA32200200AQGA--240V€2,152.25
SQUARE D -

Molded Case Circuit Breakers, QGL Series

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.

StyleModelAmpsNumber Of PolesVoltagePrice
AQGL32070703240€1,730.44
RFQ
AQGL32080803240-
RFQ
BQGL3209090A3240V-
RFQ
CQGL22100100A2240V€1,204.89
BQGL32100100A3240V€1,730.44
CQGL22125125A2240V€1,204.89
BQGL32125125A3240V€1,730.44
CQGL22150150A2240V€1,204.89
BQGL32150150A3240V€1,730.44
CQGL22175175A2240V€1,859.98
BQGL32175175A3240V€1,730.44
DQGL22200LW2002240€1,007.95
RFQ
CQGL22200200A2240V€1,204.89
EQGL32200200A3240V€1,730.44
CQGL22225225A2240V-
RFQ
AQGL322502503240€1,975.18
SQUARE D -

Molded Case Circuit Breakers, QJA Series

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.

StyleModelAmpsVoltagePrice
AQJA32100100A240V€3,696.65
AQJA32125125A240V€5,346.83
AQJA32150150A240V€5,346.83
AQJA32175175A240V€5,346.83
BQJA222002200240-
RFQ
BQJA222004200240-
RFQ
CQJA222001200A240V-
RFQ
AQJA32200200A240V€5,346.83
AQJA32225225A240V€5,346.83
1234...54

Molded Case Circuit Breakers

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.

Working Mechanism

Molded case circuit breaker's working mechanism includes following steps:

  • In the normal state, molded case circuit breakers allow electrical current to flow through the circuit uninterrupted.
  • When an overcurrent condition occurs, the MCCB's internal sensors detect the excess current flowing through the circuit.
  • They have two main trip mechanisms: electromagnetic trip and thermal trip.
  • The electromagnetic trip detects sudden, high-current surges, similar to short circuits, and quickly opens the circuit to cut power.
  • The thermal trip reacts to prolonged overloads by heating up, causing the MCCB to trip and disconnect the circuit.
  • Once the trip mechanism is activated, it triggers a mechanical release within the circuit breaker.
  • Hence, the breaker's contacts move quickly to the open position.
  • When the contacts are open, the MCCB interrupts the electrical flow, effectively cutting off power to the circuit.
  • The circuit remains in this disconnected state until manually reset by the user.

Frequently Asked Questions

How does a molded case circuit breaker differ from a circuit breaker?

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.

Can MCCBs be reset after tripping?

Once the fault or overload is resolved, you can reset the MCCB to restore power to the circuit.

What is the difference between an MCCB and a miniature circuit breaker (MCB)?

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.

Can MCCBs be used in three-phase electrical systems?

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.