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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
3VA6460-5HN36-0AA0
3VA6460-5HN36-0AA0
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Siemens
600
-
3VF2213-0FD41-0AA0
3VF2213-0FD41-0AA0
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Siemens
20
400
3VF2213-0FK41-0AA0
3VF2213-0FK41-0AA0
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Siemens
45
400
3VF3111-6BS31-0AA0
3VF3111-6BS31-0AA0
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From
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Siemens
-
-
3VL3725-3AA36-0AA0
3VL3725-3AA36-0AA0
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Siemens
-
-
3VL9300-3HF04
3VL9300-3HF04
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Siemens
-
-
BF1B020
BF1B020
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Siemens
20
120
BF240H
BF240H
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Siemens
40
240
BG315
BG315
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Siemens
15
240
BL1-020
BL1-020
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ITE
20
120
BQ3M020
BQ3M020
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Siemens
20
240
BQCH1B045
BQCH1B045
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Siemens
45
480
CE2B020
CE2B020
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Siemens
20
600
CLE63B030
CLE63B030
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Siemens
30
600
E21B025
E21B025
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ITE
25
120
E21B035
E21B035
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Siemens
35
120
E21B060
E21B060
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ITE
60
120
E21B060ASA
E21B060ASA
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Siemens
60
120
E21B070ASA
E21B070ASA
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Siemens
70
120
E21B080
E21B080
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Siemens
80
120
E21B080ASA
E21B080ASA
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Siemens
80
120
E21B090
E21B090
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ITE
90
120
E21B090ASA
E21B090ASA
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From
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Siemens
90
120
E22S100A
E22S100A
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From
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ITE
100
240
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.