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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
TB290
TB290
Limited Stock
From
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Thomas & Betts
90
240
TBBQ2302120
TBBQ2302120
Limited Stock
From
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Thomas & Betts
30
240
TBBQ230230
TBBQ230230
Limited Stock
From
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Thomas & Betts
30
240
TBBQ230240
TBBQ230240
Limited Stock
From
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Thomas & Betts
40
240
TBBQ230250
TBBQ230250
Limited Stock
From
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Thomas & Betts
50
240
TBBQ2502115
TBBQ2502115
Limited Stock
From
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Thomas & Betts
50
240
TBBQ250250
TBBQ250250
Limited Stock
From
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Thomas & Betts
50
240
TBH2100
TBH2100
Limited Stock
From
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Thomas & Betts
100
240
TBH2125
TBH2125
Limited Stock
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Thomas & Betts
125
240
TBH220
TBH220
Limited Stock
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Thomas & Betts
20
240
TBH225
TBH225
Limited Stock
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Thomas & Betts
25
240
TBH230
TBH230
Limited Stock
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Thomas & Betts
30
240
TBH235
TBH235
Limited Stock
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Thomas & Betts
35
240
TBH240
TBH240
Limited Stock
From
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Thomas & Betts
40
240
TBH245
TBH245
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Thomas & Betts
45
240
TBH250
TBH250
Limited Stock
From
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Thomas & Betts
50
240
TBH260
TBH260
Limited Stock
From
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Thomas & Betts
60
240
TBH270
TBH270
Limited Stock
From
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Thomas & Betts
70
240
TBH280
TBH280
Limited Stock
From
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Thomas & Betts
80
240
TBH290
TBH290
Limited Stock
From
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Thomas & Betts
90
240
FS320080
FS320080
Limited Stock
From
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Thomas & Betts
80
240
FS340030
FS340030
Limited Stock
From
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Thomas & Betts
30
480
TB3100
TB3100
Limited Stock
From
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Thomas & Betts
100
240
TBBD1520
TBBD1520
Limited Stock
From
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Thomas & Betts
20
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.