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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
ED61B060MX
ED61B060MX
Limited Stock
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Siemens
60
600
ED61B070MX
ED61B070MX
Limited Stock
From
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Siemens
70
600
ED61B080MX
ED61B080MX
Limited Stock
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Siemens
80
600
ED61B090MX
ED61B090MX
Limited Stock
From
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Siemens
90
600
ED61B100MX
ED61B100MX
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Siemens
100
600
ED61M015
ED61M015
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Siemens
15
600
ED61M015L
ED61M015L
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Siemens
15
600
ED61M020
ED61M020
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Siemens
20
600
ED61M020L
ED61M020L
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Siemens
20
600
ED61M025
ED61M025
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Siemens
25
600
ED61M025L
ED61M025L
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Siemens
25
600
ED61M030
ED61M030
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Siemens
30
600
ED61M030L
ED61M030L
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Siemens
30
600
ED61M035
ED61M035
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Siemens
35
600
ED61M035L
ED61M035L
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Siemens
35
600
ED61M040
ED61M040
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Siemens
40
600
ED61M040L
ED61M040L
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Siemens
40
600
ED61M045
ED61M045
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Siemens
45
600
ED61M045L
ED61M045L
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Siemens
45
600
ED61M050
ED61M050
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Siemens
50
600
ED61M050L
ED61M050L
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Siemens
50
600
ED61M060
ED61M060
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From
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Siemens
60
600
ED61M060L
ED61M060L
Limited Stock
From
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Siemens
60
600
ED61M070
ED61M070
Limited Stock
From
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Siemens
70
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.