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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
THHQB32050ST1
THHQB32050ST1
Limited Stock
From
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General Electric
50
208
THHQB32070ST1
THHQB32070ST1
Limited Stock
From
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General Electric
70
208
THHQB32080ST1
THHQB32080ST1
Limited Stock
From
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General Electric
80
208
THHQB32090ST1
THHQB32090ST1
Limited Stock
From
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General Electric
90
208
THHQB32100ST1
THHQB32100ST1
Limited Stock
From
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General Electric
100
208
THHQL1125HID
THHQL1125HID
Limited Stock
From
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General Electric
25
240
THHQL1135
THHQL1135
Limited Stock
From
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General Electric
35
120
THHQL1150
THHQL1150
Limited Stock
From
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General Electric
50
120
THHQL1160
THHQL1160
Limited Stock
From
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General Electric
60
120
THKM836400WL
THKM836400WL
Limited Stock
From
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General Electric
400
600
THKMA30600
THKMA30600
Limited Stock
From
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General Electric
600
600
THKMA30600WL
THKMA30600WL
Limited Stock
From
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General Electric
600
600
THKMA30700
THKMA30700
Limited Stock
From
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General Electric
700
600
THKMA30700WL
THKMA30700WL
Limited Stock
From
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General Electric
700
600
THKMA30800
THKMA30800
Limited Stock
From
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General Electric
800
600
THKMA30800WL
THKMA30800WL
Limited Stock
From
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General Electric
800
600
THQB2125GF
THQB2125GF
Limited Stock
From
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General Electric
25
240
THQB2140GFEP
THQB2140GFEP
Limited Stock
From
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General Electric
40
240
THQB22035
THQB22035
Limited Stock
From
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General Electric
35
240
THQB22070
THQB22070
Limited Stock
From
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General Electric
70
240
THQB22080
THQB22080
Limited Stock
From
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General Electric
80
240
THQB22100
THQB22100
Limited Stock
From
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General Electric
100
240
THQC1115LL
THQC1115LL
Limited Stock
From
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General Electric
15
240
THQC1120CC
THQC1120CC
Limited Stock
From
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General Electric
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.