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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
TBBQ21215
TBBQ21215
In Stock
From
$0.02
Thomas & Betts
-
-
UBITBFP2002
UBITBFP2002
Limited Stock
From
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Connecticut Electric
200
240
FH360150A
FH360150A
Limited Stock
From
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Thomas & Betts
150
600
QCAL110SS
QCAL110SS
Limited Stock
From
Get Price
Thomas & Betts
110
240
TB125
TB125
Limited Stock
From
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Thomas & Betts
25
240
TB2100
TB2100
Limited Stock
From
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Thomas & Betts
100
240
TB2125
TB2125
Limited Stock
From
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Thomas & Betts
125
240
TB260
TB260
Limited Stock
From
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Thomas & Betts
60
240
TBBD2020
TBBD2020
Limited Stock
From
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Thomas & Betts
20
240
LS360600
LS360600
Limited Stock
From
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Cutler Hammer
600
600
A120LR
A120LR
Limited Stock
From
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Thomas & Betts
20
120
A130L
A130L
Limited Stock
From
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Thomas & Betts
30
240
FH360045A
FH360045A
Limited Stock
From
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Thomas & Betts
45
600
FH360060AV5
FH360060AV5
Limited Stock
From
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Thomas & Betts
60
600
FH360070AV5
FH360070AV5
Limited Stock
From
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Thomas & Betts
70
600
FH360080AV5
FH360080AV5
Limited Stock
From
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Thomas & Betts
80
600
FS360070
FS360070
Limited Stock
From
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Cutler Hammer
70
600
QB25
QB25
Limited Stock
From
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Zinsco
25
240
QB35
QB35
Limited Stock
From
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Thomas & Betts
35
120
QB45
QB45
Limited Stock
From
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Thomas & Betts
45
240
QCAL100SS
QCAL100SS
Limited Stock
From
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Zinsco
100
240
QCAL110
QCAL110
Limited Stock
From
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Zinsco
110
240
QCAL125H
QCAL125H
Limited Stock
From
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Thomas & Betts
125
240
QCAL125SS
QCAL125SS
Limited Stock
From
Get Price
Zinsco
125
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.