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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
Z20A
Z20A
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ABB
20
480
Z32A
Z32A
Limited Stock
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ABB
32
480
Z3A
Z3A
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ABB
3
480
Z40A
Z40A
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ABB
40
480
Z50A
Z50A
Limited Stock
From
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ABB
50
480
SU202M-C1
SU202M-C1
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From
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ABB
-
-
SU202M-C16
SU202M-C16
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ABB
-
-
DE3225F
DE3225F
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ABB
-
-
EP104CP3
EP104CP3
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ABB
-
-
2CDS-251-001-R0317
2CDS-251-001-R0317
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ABB
-
-
S201-K10A
S201-K10A
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ABB
-
-
S401M-C16NP
S401M-C16NP
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ABB
-
-
S5N400BL
S5N400BL
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ABB
-
-
1SDA013354R1
1SDA013354R1
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ABB
-
-
1SDA038607R1
1SDA038607R1
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ABB
-
-
1SDA045389R1
1SDA045389R1
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ABB
-
-
1SDA067785R1
1SDA067785R1
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ABB
-
-
2CSF202001R3250
2CSF202001R3250
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ABB
-
-
EE5714
EE5714
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ABB
-
-
F204AC-25/0.3
F204AC-25/0.3
Limited Stock
From
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ABB
-
-
KXT1ERCINST-3
KXT1ERCINST-3
Limited Stock
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ABB
-
-
PLU702M-K50
PLU702M-K50
Limited Stock
From
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ABB
-
-
S201P-Z1NA
S201P-Z1NA
Limited Stock
From
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ABB
-
-
S201U-K16A
S201U-K16A
Limited Stock
From
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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.