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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
S801S-D20
S801S-D20
Limited Stock
From
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ABB
20
690
S801S-D63
S801S-D63
Limited Stock
From
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ABB
63
690
S801S-D80
S801S-D80
Limited Stock
From
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ABB
80
690
S801S-K10
S801S-K10
Limited Stock
From
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ABB
10
690
S801S-K100
S801S-K100
Limited Stock
From
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ABB
100
690
S801S-K125
S801S-K125
Limited Stock
From
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ABB
125
690
S801S-K13
S801S-K13
Limited Stock
From
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ABB
13
690
S801S-K16
S801S-K16
Limited Stock
From
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ABB
16
690
S801S-K20
S801S-K20
Limited Stock
From
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ABB
20
690
S801S-K25
S801S-K25
Limited Stock
From
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ABB
25
690
S801S-K32
S801S-K32
Limited Stock
From
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ABB
32
690
S801S-K40
S801S-K40
Limited Stock
From
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ABB
40
690
S801S-K50
S801S-K50
Limited Stock
From
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ABB
50
690
S801S-K63
S801S-K63
Limited Stock
From
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ABB
63
690
S801S-K80
S801S-K80
Limited Stock
From
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ABB
80
690
S802S-B10
S802S-B10
Limited Stock
From
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ABB
10
690
S802S-B125
S802S-B125
Limited Stock
From
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ABB
125
690
S802S-B16
S802S-B16
Limited Stock
From
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ABB
16
690
S802S-B20
S802S-B20
Limited Stock
From
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ABB
20
690
S802S-B25
S802S-B25
Limited Stock
From
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ABB
25
690
S802S-B32
S802S-B32
Limited Stock
From
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ABB
32
690
S802S-B50
S802S-B50
Limited Stock
From
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ABB
50
690
S802S-B80
S802S-B80
Limited Stock
From
Get Price
ABB
80
690
S802S-C10
S802S-C10
Limited Stock
From
Get Price
ABB
10
690
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.