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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
SH203-C63
SH203-C63
Limited Stock
From
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ABB
63
440
SH203-D10
SH203-D10
Limited Stock
From
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ABB
10
440
SH203-D16
SH203-D16
Limited Stock
From
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ABB
16
440
SH203-D20
SH203-D20
Limited Stock
From
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ABB
20
440
SH203-D32
SH203-D32
Limited Stock
From
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ABB
32
440
SH203-D40
SH203-D40
Limited Stock
From
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ABB
40
440
SH203-D50
SH203-D50
Limited Stock
From
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ABB
50
440
SH203-D63
SH203-D63
Limited Stock
From
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ABB
63
440
SN201L-B10
SN201L-B10
Limited Stock
From
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ABB
-
-
SPHM1RM0035
SPHM1RM0035
Limited Stock
From
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Eaton
-
-
SPHM1RM0R50
SPHM1RM0R50
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Eaton
-
-
SPHM2YL0005
SPHM2YL0005
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Eaton
-
-
SPHM2YM02R5
SPHM2YM02R5
Limited Stock
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Eaton
-
-
SPHM3YM0035
SPHM3YM0035
Limited Stock
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Eaton
-
-
SQL3225
SQL3225
Limited Stock
From
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Schneider Electric
-
-
SVC7A7
SVC7A7
Limited Stock
From
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Sector
-
-
T11-211-15
T11-211-15
Limited Stock
From
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Schurter
-
-
T11-611-12
T11-611-12
Limited Stock
From
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Schurter
-
-
T1B160R40
T1B160R40
Limited Stock
From
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ABB
-
-
T1N080TL-4A3S4
T1N080TL-4A3S4
Limited Stock
From
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ABB
-
-
T4280030
T4280030
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Generic
-
-
T7133A/160
T7133A/160
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From
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Legrand
-
-
T7923A/1250
T7923A/1250
Limited Stock
From
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Legrand
-
-
T9-311C-10
T9-311C-10
Limited Stock
From
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Schurter
-
-
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.