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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
TBBD3020
TBBD3020
Limited Stock
From
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Thomas & Betts
30
240
TBBD3030
TBBD3030
Limited Stock
From
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Thomas & Betts
30
240
TBFP-2200K
TBFP-2200K
Limited Stock
From
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Thomas & Betts
200
240
TBFP24-175-3
TBFP24-175-3
Limited Stock
From
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Thomas & Betts
175
240
TBFP24-200-3
TBFP24-200-3
Limited Stock
From
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Thomas & Betts
200
240
LS360300
LS360300
Limited Stock
From
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Thomas & Betts
300
600
LS360350
LS360350
Limited Stock
From
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Thomas & Betts
350
600
LS360350E
LS360350E
Limited Stock
From
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Thomas & Betts
350
600
LS360450
LS360450
Limited Stock
From
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Thomas & Betts
450
600
LS360450E
LS360450E
Limited Stock
From
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Thomas & Betts
450
600
LS360500
LS360500
Limited Stock
From
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Thomas & Betts
500
600
LS360500E
LS360500E
Limited Stock
From
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Thomas & Betts
500
600
QC-125
QC-125
Limited Stock
From
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Thomas & Betts
125
240
R3815T
R3815T
Limited Stock
From
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Thomas & Betts
15
240
R3820T
R3820T
Limited Stock
From
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Thomas & Betts
20
240
R3830T
R3830T
Limited Stock
From
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Thomas & Betts
30
240
R3840T
R3840T
Limited Stock
From
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Thomas & Betts
40
240
R3850T
R3850T
Limited Stock
From
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Thomas & Betts
50
240
A120U
A120U
Limited Stock
From
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Thomas & Betts
20
240
FH340125B
FH340125B
Limited Stock
From
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Thomas & Betts
125
480
FH340150B
FH340150B
Limited Stock
From
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Thomas & Betts
150
480
FH360125A
FH360125A
Limited Stock
From
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Thomas & Betts
125
600
FL240015A
FL240015A
Limited Stock
From
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Thomas & Betts
15
480
FL240020A
FL240020A
Limited Stock
From
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Thomas & Betts
20
480
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.