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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
QSS23225L
QSS23225L
In Stock
From
$110.61
ABB
RC212/1
RC212/1
Limited Stock
From
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ABB
S 221 K25A
S 221 K25A
In Stock
From
$29.19
ABB
S-701-E32A
S-701-E32A
Limited Stock
From
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ABB
S-701-E50
S-701-E50
Limited Stock
From
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ABB
S161NA-2P-15A
S161NA-2P-15A
Limited Stock
From
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ABB
S162-2P-5A
S162-2P-5A
Limited Stock
From
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ABB
S181-K20A
S181-K20A
In Stock
From
$28.27
ABB
S181-L6A
S181-L6A
In Stock
From
$46.82
ABB
S2-H
S2-H
In Stock
From
$24.54
ABB
S201-K3A
S201-K3A
In Stock
From
$54.17
ABB
S201-K3A-NA
S201-K3A-NA
Limited Stock
From
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ABB
S201-K4A
S201-K4A
In Stock
From
$79.64
ABB
S201-NAK4
S201-NAK4
In Stock
From
$53.52
ABB
S201-U-K10A
S201-U-K10A
In Stock
From
$40.84
ABB
S201-UK05
S201-UK05
In Stock
From
$56.51
ABB
S201-UK15A
S201-UK15A
In Stock
From
$37.75
ABB
S201-UK1A
S201-UK1A
In Stock
From
$13.44
ABB
S201-Z20
S201-Z20
In Stock
From
$23.77
ABB
S201DC-K16
S201DC-K16
In Stock
From
$15.59
ABB
S201M-B4
S201M-B4
Limited Stock
From
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ABB
S201M-C10
S201M-C10
Limited Stock
From
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ABB
S201M-C10NA
S201M-C10NA
In Stock
From
$9.94
ABB
S201M-C16
S201M-C16
In Stock
From
$14.60
ABB
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.