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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
5925-01-188-6298
5925-01-188-6298
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Eaton
15
500
5925-01-189-9250
5925-01-189-9250
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Eaton
175
500
5925-01-193-6055
5925-01-193-6055
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Eaton
225
500
5925-01-200-7813
5925-01-200-7813
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Eaton
100
500
5925-01-210-5267
5925-01-210-5267
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Eaton
225
500
5925-01-221-1765
5925-01-221-1765
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Eaton
25
250
5925-01-225-1962
5925-01-225-1962
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Eaton
30
500
5925-01-229-4444
5925-01-229-4444
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Eaton
150
500
5925-01-229-4448
5925-01-229-4448
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Eaton
150
500
5925-01-233-5173
5925-01-233-5173
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Eaton
225
500
5925-01-233-5623
5925-01-233-5623
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Eaton
125
500
5925-01-233-6525
5925-01-233-6525
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Eaton
125
500
5925-01-234-6910
5925-01-234-6910
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Eaton
25
500
5925-01-234-6911
5925-01-234-6911
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Eaton
35
500
5925-01-234-6912
5925-01-234-6912
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Eaton
50
500
5925-01-234-7187
5925-01-234-7187
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Eaton
40
500
5925-01-238-5706
5925-01-238-5706
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Eaton
250
500
5925-01-240-9180
5925-01-240-9180
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Eaton
15
500
5925-01-241-3396
5925-01-241-3396
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Eaton
50
500
5925-01-243-1611
5925-01-243-1611
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Eaton
250
500
5925-01-246-0471
5925-01-246-0471
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Eaton
20
500
5925-01-265-0190
5925-01-265-0190
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Eaton
100
500
5925-01-272-3805
5925-01-272-3805
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Eaton
250
500
5925-01-293-9163
5925-01-293-9163
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Eaton
100
500
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.