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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
RGH325T63WP53
RGH325T63WP53
Limited Stock
From
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Cutler Hammer
2000
600
RGH325T64WP53
RGH325T64WP53
Limited Stock
From
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Cutler Hammer
2000
600
RGH325T65WP53
RGH325T65WP53
Limited Stock
From
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Cutler Hammer
2000
600
RGH325T66WP53
RGH325T66WP53
Limited Stock
From
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Cutler Hammer
2000
600
RGH416T32EW08
RGH416T32EW08
Limited Stock
From
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Cutler Hammer
1600
600
RGH416T32PW08
RGH416T32PW08
Limited Stock
From
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Cutler Hammer
1600
600
RGH416T32WP08
RGH416T32WP08
Limited Stock
From
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Cutler Hammer
1600
600
RGH416T33EW08
RGH416T33EW08
Limited Stock
From
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Cutler Hammer
1600
600
RGH416T33PW08
RGH416T33PW08
Limited Stock
From
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Cutler Hammer
1600
600
RGH416T33WP08
RGH416T33WP08
Limited Stock
From
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Cutler Hammer
1600
600
RGH420T32EW16
RGH420T32EW16
Limited Stock
From
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Cutler Hammer
2000
600
RGH420T32PW16
RGH420T32PW16
Limited Stock
From
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Cutler Hammer
2000
600
RGH420T32WP16
RGH420T32WP16
Limited Stock
From
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Cutler Hammer
2000
600
RGH420T33EW16
RGH420T33EW16
Limited Stock
From
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Cutler Hammer
2000
600
RGH420T33PW16
RGH420T33PW16
Limited Stock
From
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Cutler Hammer
2000
600
RGH420T33WP16
RGH420T33WP16
Limited Stock
From
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Cutler Hammer
2000
600
RGH425T32EW40
RGH425T32EW40
Limited Stock
From
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Cutler Hammer
2500
600
RGH425T32PW40
RGH425T32PW40
Limited Stock
From
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Cutler Hammer
2500
600
RGH425T33EW40
RGH425T33EW40
Limited Stock
From
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Cutler Hammer
2500
600
RGH425T33PW40
RGH425T33PW40
Limited Stock
From
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Cutler Hammer
2500
600
RJF36250CU44AYS
RJF36250CU44AYS
Limited Stock
From
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Square D
2500
600
RJF46060CU31A
RJF46060CU31A
Limited Stock
From
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Schneider Electric
600
600
RJF46060CU33A
RJF46060CU33A
Limited Stock
From
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Schneider Electric
600
600
RJF46060CU41A
RJF46060CU41A
Limited Stock
From
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Square D
600
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.