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.

How do I select the right MCCB for my specific application?

Selecting the right MCCB involves considering factors such as the system's voltage, current rating, environmental conditions and specific protection requirements.

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Molded Case Circuit Breakers

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

EATON -

C Series Molded Case Switches, MDL Frame

Style	Model	Height	Notes	Price
A	HMDL3800WK	0.01"	-	€7,601.62
B	MDL2800WK	0.01"	-	€15,306.87
C	MDL3800WKA0901	0.01"	-	€21,045.87
C	MDL3800WKS11Y07	0.01"	T350K Line	-	RFQ
C	MDL3800WKA13X02Y07	0.01"	T350K Line, TA350K Load	-	RFQ
C	MDL3800WKZ03	0.01"	TA801MA Terminals	€20,328.50
C	MDL3800WKX02Y07	0.01"	T350K Line, TA350K Load	€19,291.34
C	MDL3800K	1"	-	-	RFQ
A	MDLB3800WK	8"	-	€19,369.12
D	6636C33G07	8"	-	€45,926.50
E	MDL3800WK	8.3"	-	€5,888.08
B	HMDL2800WK	11"	-	€21,011.31

EATON -

KD Series Complete Molded Case Circuit Breakers, K Frame

Style	Model	Height	Notes	Price
A	KD3400KX02Y15	1"	TA350K Load, 3TA401K Line	€8,552.78
A	KD3400KX02Y18	1"	TA300K Load, 3TA401KCW Line	€9,361.53
A	KD3400KX15Y18	1"	3TA401K Load, 3TA401KCW Line	€8,114.37
A	KD3400S41	1"	-	€10,569.40
A	KD3400KA06X02Y18	1"	TA300K Load, 3TA401KCW Line	€10,391.03
A	KD3400KA06X02Y15	1"	TA350K Load, 3TA401K Line	€10,293.89
A	KD3400X15	5 1/2"	3TA401K Load	€9,378.99
A	KD3400Y15	5 1/2"	3TA401K Line	€8,202.06
A	KD3400X07Y04	5 1/2"	3TA400K Line, T350K Load	€9,597.10
A	KD3400X	5 1/2"	-	€8,465.10
A	KD3400Z02	5 1/2"	TA350K Terminals	€9,501.12
A	KD3400Y	5 1/2"	-	€8,672.34
B	KD4300XA06	5 1/2"	-	€15,686.88
A	KD3400Z07	5 1/2"	T350K Terminals	€9,501.12
B	KD4200V	5 1/2"	-	€13,821.56
B	KD4125	5 1/2"	-	€13,949.09
B	KD4300	5 1/2"	-	€13,949.09
A	KD3400Z15	5 1/2"	3TA401K Terminals	€9,501.12
B	KD4400	5 1/2"	-	€15,224.50
B	KD4350	5 1/2"	-	€13,949.09
B	KD4400KW17	5 1/2"	-	€17,213.71
A	KD3225	5 1/2"	-	€3,206.38
C	KD2225	5 1/2"	-	€7,216.86
C	KD2300	5 1/2"	-	€2,871.27
A	KD3400C	5 1/2"	-	€9,238.27

EATON -

LDB Series Complete Molded Case Circuit Breakers, L Frame

Style	Model	Height	Price
A	LDB3350W	-	-	RFQ
A	LDB3600W	-	€20,881.64
B	LDB2300W	-	€17,407.13
B	LDB2400W	-	-	RFQ
A	LDB3500W	-	€20,881.64
B	LDB2350W	-	-	RFQ
B	LDB2600W	-	€17,407.13
A	LDB3400W	-	-	RFQ
A	LDB3500A06S02	8 1/4"	€25,479.75
A	LDB3600X	8 1/4"	€21,253.29
A	LDB3600S29	8 1/4"	€24,563.60
A	LDB3500X	8 1/4"	€21,642.23
A	LDB3500	8 1/4"	€21,113.64
A	LDB3600	8 1/4"	€6,515.68
B	LDB2500	8 1/4"	€17,501.65
A	LDB3450W	8 1/4"	-	RFQ
B	LDB2600X	8 1/4"	€17,726.94
A	LDB3400	8 1/4"	€21,113.64
B	LDB2500W	8 1/4"	€17,407.13
A	LDB3300	8 1/4"	€21,113.64
B	LDB2450W	8 1/4"	€17,407.13
B	LDB2450X	8 1/4"	€17,761.51
B	LDB2600	8 1/4"	€17,501.65
A	LDB3450	10 3/4"	€21,113.64
A	LDB4500A13S10	11"	€32,662.15

EATON -

CRD Series Electronic Molded Case Circuit Breakers, R Frame

Style	Model	Height	Price
A	CRD320T33W	-	€150,198.61
A	CRD320T52W	-	-	RFQ
A	CRD320T107W	15 1/2"	-	RFQ
A	CRD320T106W	15 1/2"	-	RFQ
A	CRD316T93W	15 1/2"	€153,376.24
A	CRD316T76XW	15 1/2"	-	RFQ
A	CRD316T85W	15 1/2"	€166,928.84
A	CRD316T95W	15 1/2"	-	RFQ
A	CRD316T86W	15 1/2"	€176,010.21
A	CRD316T85XW	15 1/2"	€160,972.98
A	CRD316T86XW	15 1/2"	€170,002.26
A	CRD316T77W	15 1/2"	-	RFQ
A	CRD316T91W	15 1/2"	€151,136.28
A	CRD316T95XW	15 1/2"	€168,508.96
A	CRD316T96W	15 1/2"	-	RFQ
A	CRD316T33W	15 1/2"	€132,452.61
A	CRD316T96XW	15 1/2"	€177,503.52
A	CRD320T106XW	15 1/2"	-	RFQ
A	CRD320T32W	15 1/2"	€161,910.63
A	CRD320T107XW	15 1/2"	-	RFQ
A	CRD320T35W	15 1/2"	€177,824.75
A	CRD320T35WABQ02	15 1/2"	€173,075.69
A	CRD320T36W	15 1/2"	-	RFQ
A	CRD320T76W	15 1/2"	-	RFQ
A	CRD320T95W	15 1/2"	€183,685.10

EATON -

FDB Series Complete Molded Case Circuit Breakers, F Frame

Style	Model	Height	No. Of Poles	Amps	Voltage	Type	Notes	Frequency	Terminals	Price
A	FDB3080LA02	-	-	-	-	-	-	-	-	-	RFQ
A	FDB3020V	-	-	-	-	-	-	-	-	€1,710.53
A	FDB3080LL07	-	-	-	-	-	-	-	-	€2,145.79
A	FDB3080LD08	-	-	-	-	-	-	-	-	€2,541.12
A	FDB3080LA01S19	-	-	-	-	-	-	-	-	€4,385.59
A	FDB3070V	-	-	-	-	-	-	-	-	€2,109.11
A	FDB3060VW	-	-	-	-	-	-	-	-	€1,861.82
B	FDB2035	-	-	-	-	-	-	-	-	€1,315.21
C	FDB3070WL11	-	-	-	-	-	-	-	-	€1,996.20
D	FDB2110LA06	-	-	-	-	-	-	-	-	€4,600.80
D	FDB2150L	2 3/4"	-	-	-	-	-	-	-	€3,923.99
D	FDB2125	2 3/4"	-	-	-	-	-	-	-	€1,342.09
D	FDB2150	2 3/4"	-	-	-	-	-	-	-	€1,342.09
D	FDB2125WD22	2 3/4"	-	-	-	-	-	-	-	€3,644.30
D	FDB2150H08	2 3/4"	-	-	-	-	-	-	-	€4,509.92
D	FDB2150LS	2 3/4"	-	-	-	-	-	-	-	€4,303.59
D	FDB2125S22	2 3/4"	-	-	-	-	-	-	-	€5,259.19
D	FDB2150A06	2 3/4"	-	-	-	-	-	-	-	€4,623.11
D	FDB2125S17	2 3/4"	-	-	-	-	-	-	-	€5,931.01
D	FDB2150B06	2 3/4"	-	-	-	-	-	-	-	€4,430.21
D	FDB2125L	2 3/4"	-	-	-	-	-	-	-	€3,923.99
D	FDB2125LS18	2 3/4"	-	-	-	-	-	-	-	€5,270.36
D	FDB2150D11	2 3/4"	-	-	-	-	-	-	-	€3,848.34
D	FDB2125LS22	2 3/4"	-	-	-	-	-	-	-	€5,432.98
D	FDB2150S26	2 3/4"	-	-	-	-	-	-	-	€5,931.01

EATON -

LD Series Complete Molded Case Circuit Breakers, L Frame

Style	Model	Height	Notes	Price
A	LD4400	-	-	€31,192.83
B	LD3300XA06S03	0.01"	-	€24,969.82
B	LD3400U41	0.01"	-	-	RFQ
B	LD3450Z22	0.01"	TA450LD Terminals	€22,057.12
B	LD3400XA06S03	0.01"	-	€24,969.82
B	LD3400A06S10	0.01"	-	-	RFQ
B	LD3400V	0.01"	-	€21,261.94
B	LD3300X	0.01"	-	€22,074.40
C	LD2400S30	0.01"	-	€21,122.35
C	LD2350	0.01"	-	€17,737.19
A	LD4350WA13S10	0.01"	-	-	RFQ
C	LD2300	0.01"	-	€13,954.18
C	LD2400	0.01"	-	€17,737.19
B	LD3600S21	1"	-	-	RFQ
B	LD3500W	7 1/2"	-	€20,293.92
B	LD3400T52WZG	8 1/4"	-	-	RFQ
B	LD3500A06S10	8 1/4"	-	-	RFQ
B	LD3450WA06	8 1/4"	-	-	RFQ
A	LD4600	8 1/4"	-	€31,253.34
B	LD3400T52WPN	8 1/4"	-	-	RFQ
B	LD3400S29	8 1/4"	-	€22,919.61
B	LD3500S30	8 1/4"	-	-	RFQ
B	LD3350H01	8 1/4"	-	-	RFQ
B	LD3400H01	8 1/4"	-	-	RFQ
B	LD3600X01Y04	8 1/4"	3TA603LDK Line, TA602LD Load	-	RFQ

EATON -

MDLB Series Complete Molded Case Circuit Breakers, MDL Frame

Style	Model	Height	Price
A	MDLB3350	0.01"	€21,201.44
A	MDLB3500	0.01"	-	RFQ
A	MDLB2700	0.01"	-	RFQ
A	MDLB3400	0.01"	€21,201.44
A	MDLB3600	0.01"	€21,201.44
A	MDLB3500V	0.01"	-	RFQ
A	MDLB2400	0.01"	€17,510.85
A	MDLB2700A12S13	0.01"	€17,657.79
A	MDLB2350	0.01"	€17,510.85
A	MDLB2300	0.01"	€17,510.85
A	MDLB3800A14T08	0.01"	€24,546.33
A	MDLB3700	0.01"	€21,201.44
A	MDLB3800	0.01"	€5,451.58
A	MDLB3300	0.01"	€21,201.44
A	MDLB2800	0.01"	€17,726.94
A	MDLB2450	4.06"	€17,510.85
A	MDLB2500	4.06"	€17,510.85
A	MDLB2600	4.06"	€17,510.85
A	MDLB2800W	8"	€16,879.91
A	MDLB3800W	8"	€20,734.72

EATON -

CKD Series Electronic Molded Case Circuit Breakers, K Frame

Style	Model	Height	Notes	Price
A	CKD3250T57WPN	-	-	-	RFQ
A	CKD3400T57WZG	-	-	-	RFQ
A	CKD3400FK03P25C04S41	-	-	€11,656.45
A	CKD3250T52WZGP	-	-	-	RFQ
A	CKD3400FH08K03P24Z09	-	3T400K Terminals	€14,100.53
A	CKD3400T56WPN	-	-	-	RFQ
A	CKD3250T106W	-	-	-	RFQ
A	CKD3125T57WZG	-	-	-	RFQ
A	CKD3125T52WZGP	5"	-	-	RFQ
A	CKD3400T106W	5"	-	-	RFQ
A	CKD3125T56WZG	5"	-	-	RFQ
A	CKD3125T57WZGP	5"	-	-	RFQ
A	CKD3125T107W	5"	-	-	RFQ
A	CKD3125T57WPN	5"	-	-	RFQ
A	CKD3400T52WPN	5"	-	-	RFQ
A	CKD3125T56WZGP	5"	-	-	RFQ
A	CKD3125T106W	5"	-	-	RFQ
A	CKD3400T52WZGP	5"	-	-	RFQ
A	CKD3400T52WZG	5"	-	-	RFQ
A	CKD3400T107W	5"	-	-	RFQ
A	CKD3400T56WZG	5"	-	-	RFQ
A	CKD3125T56WPN	5"	-	-	RFQ
A	CKD3125T52WPN	5"	-	-	RFQ
A	CKD3125T52WZG	5"	-	-	RFQ
A	CKD3400T57WZGP	5"	-	-	RFQ

EATON -

JDC Series Complete Molded Case Circuit Breakers, J Frame

Style	Model	Height	Price
A	JDC3150	4.13"	€4,943.83
B	JDC3200VWH09	4.13"	€26,267.16
B	JDC3150CVH09	4.13"	€19,096.03
B	JDC3225CVH09	4.13"	€26,312.10
B	JDC3250VH09	4.13"	€27,210.75
B	JDC3150VW	4.13"	€23,876.81
B	JDC3200VW	4.13"	€23,876.81
B	JDC3200	4.13"	€5,767.81
B	JDC3250VWH09	4.13"	-	RFQ
C	JDC2225	4.13"	€20,066.58
B	JDC3225	4.13"	€4,943.83
B	JDC3250	4.13"	€5,522.21
B	JDC3250VW	4.13"	€24,703.54
A	JDC3175	4.13"	€4,943.83
B	JDC3175V	4.13"	€23,930.72
B	JDC3200A13S42	4.13"	-	RFQ
B	JDC3250V	4.13"	€24,766.43
B	JDC3225VW	4.13"	€23,876.81
B	JDC3200V	4.13"	€23,930.72
C	JDC2200	4.13"	€20,066.58
B	JDC3175W	4.13"	€23,876.81
B	JDC3225WS10	4.13"	€26,087.44
B	JDC3250VWH09U17	4.13"	€29,349.51
C	JDC2175	4.13"	€20,066.58
B	JDC3175VW	4.13"	€23,876.81

EATON -

HKD Series Complete Molded Case Circuit Breakers, K Frame

Style	Model	Height	Notes	Price
A	HKD2300A02	-	-	-	RFQ
B	HKD3250S10	5 1/2"	-	€11,223.95
B	HKD3300S10	5 1/2"	-	€11,223.95
B	HKD3300X15	5 1/2"	3TA401K Load	€10,229.03
B	HKD3350W	5 1/2"	-	€16,369.97
C	HKD3350VW	5 1/2"	-	€9,814.46
B	HKD3300WX07	5 1/2"	T350K Load	€16,995.58
B	HKD3300V	5 1/2"	-	€10,094.29
B	HKD3300W	5 1/2"	-	€4,603.99
B	HKD3300Y02	5 1/2"	TA350K Line	€10,078.74
C	HKD3300A06	5 1/2"	-	-	RFQ
B	HKD3250XS30	5 1/2"	-	€11,037.39
B	HKD3300A01	5 1/2"	-	€10,653.93
B	HKD3250VW	5 1/2"	-	€16,524.46
B	HKD3350XS30	5 1/2"	-	€11,037.39
B	HKD3250W	5 1/2"	-	€9,814.46
B	HKD3250X15	5 1/2"	3TA401K Load	€10,229.03
B	HKD3250V	5 1/2"	-	€10,130.58
B	HKD3200W	5 1/2"	-	€9,814.46
B	HKD3150A06B02	5 1/2"	-	€11,021.85
B	HKD3150C	5 1/2"	-	€10,166.84
B	HKD3125A06B02	5 1/2"	-	€11,021.85
D	HKD2350CH08	5 1/2"	-	€10,047.65
A	HKD2400C05	5 1/2"	-	€10,047.65
A	HKD2300S10	5 1/2"	-	€10,203.10

EATON -

KDC Series Complete Molded Case Circuit Breakers, K Frame

Style	Model	Height	Notes	Price
A	KDC3200VWH09U17	5 1/2"	-	€23,975.30
A	KDC3200VWU18	5 1/2"	-	€24,793.40
A	KDC3300VW	5 1/2"	-	€23,346.61
A	KDC3400C	5 1/2"	-	€23,364.58
A	KDC3300W	5 1/2"	-	€21,892.89
A	KDC3400A05	5 1/2"	-	€15,923.86
B	KDC2350	5 1/2"	-	€19,356.67
B	KDC2400	5 1/2"	-	€19,338.69
A	KDC3125C	5 1/2"	-	€23,364.58
A	KDC3200VWHO9	5 1/2"	-	€22,031.17
A	KDC3200VW	5 1/2"	-	-	RFQ
A	KDC3150V	5 1/2"	-	€22,043.58
A	KDC3300VWH09U17	5 1/2"	-	€23,975.30
A	KDC3200W	5 1/2"	-	€21,892.89
A	KDC3350VW	5 1/2"	-	€23,346.61
A	KDC3400FK08P16Z04	5 1/2"	3TA400K Terminals	€26,162.57
A	KDC3400A01U49	5 1/2"	-	€25,979.61
A	KDC3400M01Y04	5 1/2"	3TA400K Line	-	RFQ
A	KDC3400VH09	5 1/2"	-	€25,656.09
A	KDC3400VH09U17	5 1/2"	-	€24,532.79
A	KDC3400VW	5 1/2"	-	€23,346.61
A	KDC3400W	5 1/2"	-	€21,892.89
A	KDC3400VWU18	5 1/2"	-	€25,278.66
A	KDC3350M01Y01	5 1/2"	-	€23,041.06
A	KDC3350W	5 1/2"	-	€21,892.89

EATON -

HLDB Series Complete Molded Case Circuit Breakers, L Frame

Style	Model	Height	Price
A	HLDB3350	8 1/4"	€26,430.50
B	HLDB3600	8 1/4"	-	RFQ
B	HLDB3300	8 1/4"	€26,430.50
B	HLDB3500	8 1/4"	€26,430.50
A	HLDB3400	8 1/4"	-	RFQ
B	HLDB3450	8 1/4"	-	RFQ

EATON -

E2JM Type Mining Complete Molded Case Circuit Breakers

Style	Model	Height	Amps	Type	Trip Rating	Under Voltage Release	No. Of Poles	Voltage	Circuit Breaker Frame Type	Price
A	E2JM3150WA06U18	-	-	-	-	-	-	-	-	-	RFQ
A	E2JM3225DWU18	-	-	-	-	-	-	-	-	€13,309.60
A	E2JM3250MKWS09	-	-	-	-	-	-	-	-	€13,309.60
A	E2JM3175WU24	0.001"	175A	-	875-1750A	208-240V AC	3	250V DC/577/1000V AC	Complete Breaker	€19,488.40
A	E2JM3250MLA02D01	0.001"	250A	-	1125-2500A	-	3	250V DC/577/1000V AC	Complete Breaker	€14,792.50
A	E2JM3175WU18	10"	175A	Specialty Complete	875-1750A	110-127V AC	3	250V DC/577/1000V AC	Complete Breaker	€13,309.60
A	E2JM3250A02	10"	250A	Specialty Complete	1250-2500A	-	3	250V DC/577/1000V AC	Complete Breaker	€13,430.11
A	E2JM3200WB04U56	10"	200A	Specialty Complete	1000-2000A	208-240V AC	3	250V DC/577/1000V AC	Complete Breaker	€14,062.45
B	E2JM3250MDWA06	10"	250A	Specialty Complete	500-1000A	-	3	250V DC/577/1000V AC	Complete Breaker	€12,780.28
A	E2JM3225AWU18	10"	225A	Specialty Complete	300-650A	110-127V AC	3	250V DC/577/1000V AC	Complete Breaker	€13,309.60
B	E2JM3250MDWS42	10"	250A	Specialty Complete	500-1000A	-	3	250V DC/577/1000V AC	Complete Breaker	€13,309.60
A	E2JM3250MFWD01	10"	250A	Specialty Complete	625-1250A	-	3	250V DC/577/1000V AC	Complete Breaker	€11,918.78
A	E2JM3200WB04	10"	200A	Specialty Complete	1000-2000A	-	3	250V DC/577/1000V AC	Complete Breaker	€12,408.06
B	E2JM3250MDW	10"	250A	Specialty Complete	500-1000A	-	3	250V DC/577/1000V AC	Complete Breaker	€11,880.92
A	E2JM3250MAW	10"	250A	Specialty Complete	300-650A	-	3	250V DC/577/1000V AC	Complete Breaker	€11,880.92
A	E2JM3250MFWA01D02S30	10"	250A	Specialty Complete	625-1250A	-	3	250V DC/577/1000V AC	Complete Breaker	-	RFQ
A	E2JM3250MFW	10"	250A	Specialty Complete	625-1250A	-	3	250V DC/577/1000V AC	Complete Breaker	€11,487.99
A	E2JM3250MAWA02D01	10"	250A	Specialty Complete	300-650A	-	3	250V DC/577/1000V AC	Complete Breaker	€12,211.13
A	E2JM3070W	10"	70A	Specialty Complete	300-650A	-	3	250V DC/577/1000V AC	Complete Breaker	€11,487.99
A	E2JM3250C	10"	250A	Specialty Complete	1250-2500A	-	3	250V DC/577/1000V AC	Complete Breaker	€12,477.36
A	E2JM3090W	10"	90A	Specialty Complete	450-900A	-	3	250V DC/577/1000V AC	Complete Breaker	€11,880.92
A	E2JM3175U24	10"	175A	Specialty Complete	875-1750A	208-240V AC	3	250V DC/577/1000V AC	Complete Breaker	€17,145.02
A	E2JM3250W	10"	250A	Specialty Complete	1250-2500A	-	3	250V DC/577/1000V AC	Complete Breaker	€11,880.92
A	E2JM3250MJWD01	10"	250A	Specialty Complete	875-1750A	-	3	250V DC/577/1000V AC	Complete Breaker	€11,918.78
A	E2JM3250MJWA02D01	10"	250A	Specialty Complete	875-1750A	-	3	250V DC/577/1000V AC	Complete Breaker	€12,211.13

EATON -

E2LM Type Mining Complete Molded Case Circuit Breakers

Style	Model	Height	Amps	Circuit Breaker Frame Type	Trip Rating	Under Voltage Release	Auxiliary Switch	Prod Load	Line	Price
A	E2LM3600A06	-	-	-	-	-	-	-	-	€19,744.71
A	E2LM3600KD18	0.001"	600A	Molded Case Switch	3000-6000A	-	-	KPEKM5	KPEKM5	€18,902.55
A	E2LM3600KD09	0.001"	600A	Molded Case Switch	3000-6000A	-	-	KPEKM4	KPEKM4	-	RFQ
B	E2LM3600MLWA02	8 1/4"	600A	Complete Breaker	1125-2250A	-	1A-1B Rear With Left Pigtail	-	-	€17,456.27
B	E2LM3600MLW	8 1/4"	600A	Complete Breaker	1125-2250A	-	-	-	-	€16,559.18
A	E2LM3450W	8 1/4"	450A	Complete Breaker	2250-4500A	-	-	-	-	€16,559.18
A	E2LM3500W	8"	500A	Complete Breaker	2500-5000A	-	-	-	-	€18,902.55
B	E2LM3600MNWA02U66	10 3/4"	600A	Complete Breaker	1500-3000A	120V AC	1A-1B Rear With Left Pigtail	-	-	-	RFQ
B	E2LM3600MNWA06U66	10 3/4"	600A	Complete Breaker	1500-3000A	120V AC	-	-	-	€19,103.94
B	E2LM3600MXW	10 3/4"	600A	Complete Breaker	2000-4000A	-	-	-	-	€16,559.18
B	E2LM3600MNWU66	10 3/4"	600A	Complete Breaker	1500-3000A	120V AC	-	-	-	€18,417.41
A	E2LM3600WS02U42Z12	10 3/4"	600A	Complete Breaker	3000-6000A	24V AC	-	3TA401LDK	3TA401LDK	€22,975.99
A	E2LM3600W	10 3/4"	600A	Complete Breaker	3000-6000A	-	-	-	-	€18,902.55
B	E2LM3600MXWA06	10 3/4"	600A	Complete Breaker	2000-4000A	-	1A-1B Rear With Right Pigtail	-	-	-	RFQ
B	E2LM3600MRW	10 3/4"	600A	Complete Breaker	1750-3500A	-	-	-	-	-	RFQ
B	E2LM3600MW	10 3/4"	600A	Complete Breaker	3000-6000A	-	-	-	-	€18,902.55
A	E2LM3600WKA06	10 3/4"	600A	Molded Case Switch	3000-6000A	-	1A-1B Rear With Right Pigtail	-	-	€19,863.69

EATON -

E2N Type Mining Complete Molded Case Circuit Breakers

Style	Model	Amps	Trip Type	Circuit Breaker Frame Type	Under Voltage Release	Auxiliary Switch	Height	No. Of Poles	Voltage	Price
A	E2N3500W	500A	Electronic LSI	Frame Only	-	-	8 1/4"	3	600V AC	€16,870.40
A	E2N3600WA06U18	600A	Electronic LSI	Frame Only	110-127V AC	1A-1B Rear With Right Pigtail	8 1/4"	3	600V AC	€19,351.08
A	E2N3600W	600A	Electronic LSI	Molded Case Switch	-	-	8 1/4"	3	600V AC	€16,870.40
A	E2N3700W	700A	Electronic LSI	Complete Breaker	-	-	8 1/4"	3	600V AC	€16,870.40
A	E2N3800W	800A	Electronic LSI	Complete Breaker	-	-	8 1/4"	3	600V AC	€16,870.40
A	E2N3800MWU18	800A	Electronic LI	Complete Breaker	110-127V AC	-	8 1/4"	3	600V AC	-	RFQ
A	E2N3800WU66	800A	Electronic LSI	Complete Breaker	120V AC	-	8 1/4"	3	600V AC	-	RFQ
A	E2N3800WA06U66	800A	Electronic LI	Complete Breaker	120V AC	-	8 1/4"	3	600V AC	-	RFQ
A	E2N3800MWA06	800A	Electronic LI	Complete Breaker	-	1A-1B Rear With Right Pigtail	8 1/4"	3	600V AC	-	RFQ
A	E2N3800MWA06U66	800A	Electronic LI	Complete Breaker	120V AC	1A-1B Rear With Right Pigtail	8 1/4"	3	600V AC	-	RFQ
A	E2N3800MWU66	800A	Electronic LI	Complete Breaker	-	-	8 1/4"	3	600V AC	-	RFQ
A	E2N3800WS10	800A	Electronic LI	Complete Breaker	-	-	8 1/4"	3	600V AC	€18,710.34
A	E2N3800MW	800A	Electronic LI	Complete Breaker	-	-	8 1/4"	3	600V AC	€16,870.40
A	E2N3900WU66	900A	Electronic LSI	-	120V AC	-	8 1/4"	3	600V AC	€31,452.37
A	E2N3900W	900A	Electronic LSI	-	-	-	8 1/4"	3	600V AC	€29,585.01
A	E2N3900WA13U66	900A	Electronic LI	-	120V AC	2A-2B Rear With Right Pigtail	8 1/4"	3	600V AC	€32,559.98
A	E2N310WU66	1000A	Electronic LSI	-	120V AC	-	8 1/4"	3	600V AC	€31,452.37
A	E2N310WA13U66	1000A	Electronic LI	-	120V AC	2A-2B Rear With Right Pigtail	8 1/4"	3	600V AC	€32,779.66
A	E2N310W	1000A	Electronic LSI	-	-	-	8 1/4"	3	600V AC	€29,585.01
A	E2N312W	1200A	Electronic LSI	-	-	-	8 1/4"	3	600V AC	€29,585.01
A	E2N312MW	1200A	Interchangeable Magnetic Only	-	-	-	8 1/4"	3	600V AC	€29,585.01
A	E2N312WU66	1200A	Electronic LSI	-	120V AC	-	8 1/4"	3	600V AC	€31,452.37

EATON -

E2R Type Mining Electronic Molded Case Circuit Breakers

Style	Model	Height	Amps	No. Of Poles	Voltage	Type	Circuit Breaker Type	Class	Frame	Price
A	E2R316T33WU49	8 1/4"	1600A	3	600V AC	Specialty Complete	E2R	Mining	R	€45,265.45
A	E2R316T32WU49	8 1/4"	1600A	3	600V AC	-	E2R	Mining	R	-	RFQ
A	E2R320T33WA12U49	8 1/4"	2000A	3	600V AC	Specialty Complete	E2R	Mining	-	€53,137.69
A	E2R31638B20W	20"	1600A	3	600V AC	-	E2R	Mining	R	€59,591.07
A	E2R316B20W	20"	1600A	3	600V AC	-	E2R	Mining	R	€52,432.83
A	E2R31638W	20"	1600A	3	600V AC	-	E2R	Mining	R	-	RFQ
A	E2R32038B20W	20"	2000A	3	600V AC	-	E2R	Mining	R	€65,559.37
A	E2R320B20W	20"	2000A	3	600V AC	-	E2R	Mining	R	€57,696.25
A	E2R320W	20"	2000A	3	600V AC	-	E2R	Mining	R	€52,441.99
A	E2R32038W	20"	2000A	3	600V AC	-	E2R	Mining	R	€60,305.09
A	E2R316W	20"	1600A	3	600V AC	-	E2R	Mining	R	€47,672.87

EATON -

CLDC Series Electronic Molded Case Circuit Breakers, L Frame

Style	Model	Height	Notes	Price
A	CLDC3600FVWH09K29U17	1"	-	€80,687.96
A	CLDC3600FVWH09K29P07	1"	-	€80,687.96
B	CLDC3125T107W	8 1/4"	-	-	RFQ
B	CLDC3400T76W	8 1/4"	-	-	RFQ
B	CLDC3400T57WZG	8 1/4"	-	-	RFQ
B	CLDC3400T57WZGP	8 1/4"	-	-	RFQ
A	CLDC3600FK11P05Y04	8 1/4"	3TA603LDK Line	€67,260.36
B	CLDC3400T52WZG	8 1/4"	-	-	RFQ
B	CLDC3400T57WPN	8 1/4"	-	-	RFQ
B	CLDC3400T56W	8 1/4"	-	-	RFQ
B	CLDC3400T57W	8 1/4"	-	-	RFQ
B	CLDC3400T52WZGP	8 1/4"	-	-	RFQ
B	CLDC3400T77W	8 1/4"	-	-	RFQ
B	CLDC3400T56WZGP	8 1/4"	-	-	RFQ
A	CLDC3600FK12P05Y04	8 1/4"	3TA603LDK Line	€67,260.36
B	CLDC3400T56WZG	8 1/4"	-	-	RFQ
B	CLDC3600T106W	8 1/4"	-	-	RFQ
B	CLDC3400T106W	8 1/4"	-	-	RFQ
B	CLDC3600T52WZG	8 1/4"	-	-	RFQ
B	CLDC3600T52W	8 1/4"	-	-	RFQ
B	CLDC3600T52WPN	8 1/4"	-	-	RFQ
B	CLDC3600T56W	8 1/4"	-	-	RFQ
B	CLDC3600T56WPN	8 1/4"	-	-	RFQ
B	CLDC3600T56WZG	8 1/4"	-	-	RFQ
B	CLDC3600T52WZGP	8 1/4"	-	-	RFQ

EATON -

JWC Series Complete Molded Case Circuit Breakers, J Frame

Style	Model	Height	Price
A	JWC3200	4.13"	€18,379.82
A	JWC3250	4.13"	-	RFQ
B	JWC4250	5 1/2"	-	RFQ
B	JWC4125	5 1/2"	-	RFQ

EATON -

RDC Series Electronic Molded Case Circuit Breakers, R Frame

Style	Model	Height	Price
A	RDC316T106XW	15 1/2"	-	RFQ
A	RDC325T36W	15 1/2"	-	RFQ
A	RDC325T106W	15 1/2"	-	RFQ
A	RDC320T82W	15 1/2"	€136,585.24
A	RDC325T33W	15 1/2"	-	RFQ
A	RDC316T106W	15 1/2"	-	RFQ
A	RDC316T33WP02S29Y01	15 1/2"	€109,653.68
A	RDC316T36W	15 1/2"	€137,861.49
A	RDC320T107XW	15 1/2"	-	RFQ
A	RDC320T33W	15 1/2"	€30,031.56
A	RDC320T56W	15 1/2"	-	RFQ
A	RDC325T96XW	15 1/2"	€203,367.19
A	RDC320T36W	15 1/2"	€154,800.08
A	RDC316T52W	15 1/2"	-	RFQ
A	RDC316T33W	15 1/2"	€20,743.79
A	RDC316T96W	15 1/2"	-	RFQ
A	RDC320T95W	15 1/2"	€164,549.96
A	RDC320T96XW	15 1/2"	€167,076.43
A	RDC325T32W	15 1/2"	€202,151.71
A	RDC325T76XW	15 1/2"	-	RFQ
A	RDC320T32W	15 1/2"	€17,153.38
A	RDC316T77XW	15 1/2"	-	RFQ
A	RDC320T35W	15 1/2"	-	RFQ
A	RDC325T107W	15 1/2"	-	RFQ
A	RDC316T96XW	15 1/2"	-	RFQ

SCHNEIDER ELECTRIC -

Motor Circuit Protectors, 3 Pole

Style	Model	Amps	No. Of Poles	Height	Circuit Breaker Type	Depth	Min. Wire Size	Max. Wire Size	Terminal Connection	Price
A	BV4T003J	4A	3	-	High Interrupting Capacity	-	-	-	-	€945.09
B	BV4T013J	13A	3	-	High Interrupting Capacity	-	-	-	-	€857.14
C	BV4T025J	25A	3	-	High Interrupting Capacity	-	-	-	-	€903.64
D	BV4T050J	50A	3	-	High Interrupting Capacity	-	-	-	-	€936.77
E	BV4T080J	80A	3	6.38"	High Interrupting Capacity	4.57"	14 AWG	1/0 AWG	Plug In	€1,084.95

EATON -

FB Series Complete Molded Case Circuit Breakers

Style	Model	Height	Price
A	FB3100PL	-	€12,012.20
A	FB2020PL	6"	€10,071.76
A	FB3070PL	6"	€12,132.32
A	FB3090PL	6"	€12,190.36
A	FB3050PL	6"	€12,190.36
A	FB3015PL	6"	€12,190.36
A	FB3060PL	6"	€12,012.20

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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.

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LD Series Complete Molded Case Circuit Breakers, L Frame

MDLB Series Complete Molded Case Circuit Breakers, MDL Frame

CKD Series Electronic Molded Case Circuit Breakers, K Frame

JDC Series Complete Molded Case Circuit Breakers, J Frame

HKD Series Complete Molded Case Circuit Breakers, K Frame

KDC Series Complete Molded Case Circuit Breakers, K Frame

HLDB Series Complete Molded Case Circuit Breakers, L Frame

E2JM Type Mining Complete Molded Case Circuit Breakers

E2LM Type Mining Complete Molded Case Circuit Breakers

E2N Type Mining Complete Molded Case Circuit Breakers

E2R Type Mining Electronic Molded Case Circuit Breakers

CLDC Series Electronic Molded Case Circuit Breakers, L Frame

JWC Series Complete Molded Case Circuit Breakers, J Frame

RDC Series Electronic Molded Case Circuit Breakers, R Frame

Motor Circuit Protectors, 3 Pole

FB Series Complete Molded Case Circuit Breakers

Molded Case Circuit Breakers

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Molded Case Circuit Breakers

Molded Case Circuit Breakers

Working Mechanism

Frequently Asked Questions

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

Can MCCBs be reset after tripping?

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

Can MCCBs be used in three-phase electrical systems?

How do I select the right MCCB for my specific application?

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