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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
EH3H045
EH3H045
Limited Stock
From
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ITE
45
480
EH3H045L
EH3H045L
Limited Stock
From
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ITE
45
480
EH3H050
EH3H050
Limited Stock
From
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Siemens
50
480
EH3H050L
EH3H050L
Limited Stock
From
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Siemens
50
480
EH3H060
EH3H060
Limited Stock
From
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ITE
60
480
EH3H060L
EH3H060L
Limited Stock
From
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Siemens
60
480
EH3H070
EH3H070
Limited Stock
From
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Siemens
70
480
EH3H070L
EH3H070L
Limited Stock
From
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ITE
70
480
EH3H080
EH3H080
Limited Stock
From
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ITE
80
480
EH3H080L
EH3H080L
Limited Stock
From
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ITE
80
480
EH3H090
EH3H090
Limited Stock
From
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ITE
90
480
EH3H090L
EH3H090L
Limited Stock
From
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ITE
90
480
EH3H100
EH3H100
Limited Stock
From
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Siemens
100
480
EH3H100L
EH3H100L
Limited Stock
From
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Siemens
100
480
EH3H110
EH3H110
Limited Stock
From
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Siemens
110
480
EH3H110L
EH3H110L
Limited Stock
From
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ITE
110
480
EH3H125
EH3H125
Limited Stock
From
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ITE
125
480
EH3H125L
EH3H125L
Limited Stock
From
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Siemens
125
480
EH3H150
EH3H150
Limited Stock
From
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Siemens
150
480
EH3H150L
EH3H150L
Limited Stock
From
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Siemens
150
480
EH3L003
EH3L003
Limited Stock
From
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Siemens
3
480
EH3L003L
EH3L003L
Limited Stock
From
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Siemens
3
480
EH3L005
EH3L005
Limited Stock
From
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ITE
5
480
EH3L005L
EH3L005L
Limited Stock
From
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ITE
5
480
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.