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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
NWC4125T32W
NWC4125T32W
Limited Stock
From
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Eaton
1250
690
NWC4125T33W
NWC4125T33W
Limited Stock
From
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Cutler Hammer
1250
690
NWC4800T32W
NWC4800T32W
Limited Stock
From
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Westinghouse
800
690
NWC4800T33W
NWC4800T33W
Limited Stock
From
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Eaton
800
690
RDC420T32W
RDC420T32W
Limited Stock
From
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Cutler Hammer
2000
600
RDC420T33W
RDC420T33W
Limited Stock
From
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Westinghouse
2000
600
RW316T32W
RW316T32W
Limited Stock
From
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Westinghouse
1600
690
RW316T33W
RW316T33W
Limited Stock
From
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Westinghouse
1600
690
RW316T35W
RW316T35W
Limited Stock
From
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Westinghouse
1600
690
RW316T36W
RW316T36W
Limited Stock
From
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Eaton
1600
690
RW320T55W
RW320T55W
Limited Stock
From
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Eaton
2000
690
RWC316T95W
RWC316T95W
Limited Stock
From
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Westinghouse
1600
690
RWC320T32W
RWC320T32W
Limited Stock
From
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Westinghouse
2000
690
RWC320T92W
RWC320T92W
Limited Stock
From
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Cutler Hammer
2000
690
BAB1010C
BAB1010C
Limited Stock
From
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Eaton
10
120
BAB1015C
BAB1015C
Limited Stock
From
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Eaton
15
120
BAB1025B
BAB1025B
Limited Stock
From
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Eaton
25
277
BAB1025C
BAB1025C
Limited Stock
From
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Eaton
25
120
BAB1025E
BAB1025E
Limited Stock
From
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Eaton
25
415
BAB1025HE
BAB1025HE
Limited Stock
From
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Eaton
25
415
BAB1030B
BAB1030B
Limited Stock
From
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Eaton
30
277
BAB1030C
BAB1030C
Limited Stock
From
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Eaton
30
120
BAB1035B
BAB1035B
Limited Stock
From
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Eaton
35
277
BAB1035C
BAB1035C
Limited Stock
From
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Eaton
35
120
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.