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Molded Case Circuit Breaker

For circuit breaker systems in commercial and industrial facilities, molded case circuit breakers are among the most widely used components for reliable overcurrent protection and electrical distribution. Molded case circuit breakers provide automatic circuit interruption during overload or short circuit conditions, protecting electrical systems and equipment from damage while enabling manual switching control. Electrical.com carries an extensive selection of molded case circuit breakers from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of commercial buildings, manufacturing facilities, data centers, and industrial power distribution applications.
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Part Number
PRICE
Manufacturer
Amperage
Voltage
BQ2H06000S01
BQ2H06000S01
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Siemens
60
240
BQ2H07000S01
BQ2H07000S01
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Siemens
70
240
BQ2H08000S01
BQ2H08000S01
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Siemens
80
240
BQ2H09000S01
BQ2H09000S01
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Siemens
90
240
BQ2H10000S01
BQ2H10000S01
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Siemens
100
240
CFD63B080L
CFD63B080L
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Siemens
80
600
CLJ63B200
CLJ63B200
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Siemens
200
600
D115EE
D115EE
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Siemens
15
240
D120EE
D120EE
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Siemens
20
240
D130EE
D130EE
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Siemens
30
240
D230EE
D230EE
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Siemens
30
240
D240EE
D240EE
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Siemens
40
240
D250EE
D250EE
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Siemens
50
240
D260EE
D260EE
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Siemens
60
240
ED42B100MX
ED42B100MX
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Siemens
100
480
ED63M015L
ED63M015L
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Siemens
15
600
EE2B050
EE2B050
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Siemens
50
240
EM6B030MS2L
EM6B030MS2L
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Siemens
30
600
HB1B01500S01
HB1B01500S01
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Siemens
15
120
HB1B02000S01
HB1B02000S01
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Siemens
20
120
HB1B02500S01
HB1B02500S01
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Siemens
25
120
HB1B03000S01
HB1B03000S01
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From
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Siemens
30
120
HB1B03500S01
HB1B03500S01
Limited Stock
From
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Siemens
35
120
HB1B04000S01
HB1B04000S01
Limited Stock
From
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Siemens
40
120
Popular Molded Case Circuit Breaker Manufacturers

Electrical.com stocks the largest inventory of molded case circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified MCCBs available for immediate shipment. From standard thermal-magnetic breakers to electronic trip units across all amperage ratings, we have what you need when others say no. Our comprehensive molded case circuit breaker inventory spans all voltage and current ratings, frame sizes, and interrupting capacities from all major manufacturers including current production and discontinued models from legacy suppliers. Available in new factory condition, surplus stock, and re-certified options‚ All backed by our standard 2-year Electrical.com warranty. Our molded case circuit breakers serve critical applications across commercial buildings, industrial facilities, manufacturing plants, data centers, healthcare facilities, distribution panels, motor control centers, switchboards, and power distribution systems.


Whether you're maintaining legacy equipment with obsolete MCCB models or sourcing current production breakers for new installations and retrofits, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need molded case circuit breakers now? Call 877-999-7077 or email [email protected]. With same-day shipping available and the right parts ready to ship from our nearest warehouse location, Electrical.com gets your operations back online fast. We can say yes when others have to say no.