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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
1366D21G40
1366D21G40
Limited Stock
From
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Cutler Hammer
50
600
1366D21G41
1366D21G41
Limited Stock
From
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Cutler Hammer
50
600
1366D21G42
1366D21G42
Limited Stock
From
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Cutler Hammer
30
600
1366D21G44
1366D21G44
Limited Stock
From
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Cutler Hammer
100
600
1373D88G17
1373D88G17
Limited Stock
From
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Cutler Hammer
1200
600
1373D88G18
1373D88G18
Limited Stock
From
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Cutler Hammer
1200
600
1373D88G19
1373D88G19
Limited Stock
From
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Cutler Hammer
1200
600
1373D89G09
1373D89G09
Limited Stock
From
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Cutler Hammer
1200
1000
1373D89G10
1373D89G10
Limited Stock
From
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Cutler Hammer
1200
1000
1373D89G11
1373D89G11
Limited Stock
From
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Cutler Hammer
1200
1000
1373D89G12
1373D89G12
Limited Stock
From
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Cutler Hammer
1200
1000
2610D53G13
2610D53G13
Limited Stock
From
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Westinghouse
70
600
2610D53G30
2610D53G30
Limited Stock
From
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Cutler Hammer
25
600
4994D96G12
4994D96G12
Limited Stock
From
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Westinghouse
25
600
4994D96G13
4994D96G13
Limited Stock
From
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Westinghouse
70
600
6622C87G28
6622C87G28
Limited Stock
From
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Westinghouse
225
600
752B418G21
752B418G21
Limited Stock
From
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Cutler Hammer
250
600
CE2080
CE2080
Limited Stock
From
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Challenger
80
480
CE2090
CE2090
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From
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Challenger
90
480
CE3035WL
CE3035WL
Limited Stock
From
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Challenger
35
480
CE3045WL
CE3045WL
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From
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Challenger
45
480
CFH1100L
CFH1100L
Limited Stock
From
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Challenger
100
277
CFH2150L
CFH2150L
Limited Stock
From
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Cutler Hammer
150
600
CFH3175L
CFH3175L
Limited Stock
From
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Cutler Hammer
175
600
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.