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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
2CSR274101R1164
2CSR274101R1164
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ABB
2CSR275051R1104
2CSR275051R1104
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ABB
2CSR275080R1064
2CSR275080R1064
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ABB
2CSS245101R0164
2CSS245101R0164
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ABB
2CSS255101R0044
2CSS255101R0044
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ABB
2CSS255101R0104
2CSS255101R0104
In Stock
From
$48.30
ABB
419035100NSA
419035100NSA
In Stock
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$483.95
ABB
419035100SSA
419035100SSA
In Stock
From
$715.70
ABB
65241-37H
65241-37H
In Stock
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$40.77
ABB
65241-77A
65241-77A
In Stock
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$58.29
ABB
6524156C
6524156C
In Stock
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$80.06
ABB
896.01-11B
896.01-11B
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ABB
896.11.00A
896.11.00A
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ABB
896.12-11A
896.12-11A
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ABB
A1A 100 TMF 40-400 1P F F UL
A1A 100 TMF 40-400 1P F F UL
In Stock
From
$89.95
ABB
A1A 100 TMF 80-800 2P F F UL
A1A 100 TMF 80-800 2P F F UL
In Stock
From
$144.50
ABB
A1A 100 TMF 90-900 1P F F UL
A1A 100 TMF 90-900 1P F F UL
In Stock
From
$107.37
ABB
A1N 100 TMF 15-400 3P F F UL
A1N 100 TMF 15-400 3P F F UL
In Stock
From
$534.39
ABB
ABB PS1-2-0-65
ABB PS1-2-0-65
In Stock
From
$52.80
ABB
AD09044399
AD09044399
In Stock
From
$60.50
ABB
CGQ-15
CGQ-15
In Stock
From
$20.41
ABB
DS201MB6A30
DS201MB6A30
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ABB
DS201MC16A30
DS201MC16A30
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ABB
DS202C M B6 A30
DS202C M B6 A30
In Stock
From
$56.47
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.