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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
EH1B100L
EH1B100L
Limited Stock
From
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ITE
100
277
EH1H003
EH1H003
Limited Stock
From
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ITE
3
277
EH1H003L
EH1H003L
Limited Stock
From
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ITE
3
277
EH1H005
EH1H005
Limited Stock
From
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Siemens
5
277
EH1H005L
EH1H005L
Limited Stock
From
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ITE
5
277
EH1H010
EH1H010
Limited Stock
From
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Siemens
10
277
EH1H010L
EH1H010L
Limited Stock
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ITE
10
277
EH1H015
EH1H015
Limited Stock
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ITE
15
277
EH1H015L
EH1H015L
Limited Stock
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Siemens
15
277
EH1H020
EH1H020
Limited Stock
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Siemens
20
277
EH1H020L
EH1H020L
Limited Stock
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Siemens
20
277
EH1H025
EH1H025
Limited Stock
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ITE
25
277
EH1H025L
EH1H025L
Limited Stock
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Siemens
25
277
EH1H030
EH1H030
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ITE
30
277
EH1H030L
EH1H030L
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Siemens
30
277
EH1H035
EH1H035
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Siemens
35
277
EH1H035L
EH1H035L
Limited Stock
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Siemens
35
277
EH1H040
EH1H040
Limited Stock
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ITE
40
277
EH1H040L
EH1H040L
Limited Stock
From
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ITE
40
277
EH1H045
EH1H045
Limited Stock
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Siemens
45
277
EH1H045L
EH1H045L
Limited Stock
From
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ITE
45
277
EH1H050
EH1H050
Limited Stock
From
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Siemens
50
277
EH1H050L
EH1H050L
Limited Stock
From
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Siemens
50
277
EH1H060
EH1H060
Limited Stock
From
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Siemens
60
277
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.