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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
TBH130
TBH130
Limited Stock
From
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Thomas & Betts
30
240
TBH135
TBH135
Limited Stock
From
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Thomas & Betts
35
240
TBH140
TBH140
Limited Stock
From
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Thomas & Betts
40
240
TBH145
TBH145
Limited Stock
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Thomas & Betts
45
240
TBH150
TBH150
Limited Stock
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Thomas & Betts
50
240
TBH160
TBH160
Limited Stock
From
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Thomas & Betts
60
240
TBH170
TBH170
Limited Stock
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Thomas & Betts
70
240
TBH2110
TBH2110
Limited Stock
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Thomas & Betts
110
240
TBH215
TBH215
Limited Stock
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Thomas & Betts
15
240
TBH315
TBH315
Limited Stock
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Thomas & Betts
15
240
TBH320
TBH320
Limited Stock
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Thomas & Betts
20
240
TBH325
TBH325
Limited Stock
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Thomas & Betts
25
240
TBH330
TBH330
Limited Stock
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Thomas & Betts
30
240
TBH335
TBH335
Limited Stock
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Thomas & Betts
35
240
TBH340
TBH340
Limited Stock
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Thomas & Betts
40
240
TBH345
TBH345
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Thomas & Betts
45
240
TBH350
TBH350
Limited Stock
From
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Thomas & Betts
50
240
TBH360
TBH360
Limited Stock
From
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Thomas & Betts
60
240
TBH370
TBH370
Limited Stock
From
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Thomas & Betts
70
240
TBH380
TBH380
Limited Stock
From
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Thomas & Betts
80
240
TBH390
TBH390
Limited Stock
From
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Thomas & Betts
90
240
TBSN215
TBSN215
Limited Stock
From
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Thomas & Betts
15
120
TBSN230
TBSN230
Limited Stock
From
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Thomas & Betts
30
120
Q-45
Q-45
Limited Stock
From
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Thomas & Betts
45
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.