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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
3VL9325-5GE30
3VL9325-5GE30
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Siemens
-
-
3VL9400-4TA30
3VL9400-4TA30
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-
-
3VL9400-8BC00
3VL9400-8BC00
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Siemens
-
-
3VL9500-4TA30
3VL9500-4TA30
In Stock
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$128.48
Siemens
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-
3VL9500-4TA40
3VL9500-4TA40
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Siemens
-
-
3VL9600-4TA30
3VL9600-4TA30
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-
-
3VL9600-8BC00
3VL9600-8BC00
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Siemens
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-
3VT1708-2DC36-0AA0
3VT1708-2DC36-0AA0
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Siemens
-
-
3VU1300-0MF00
3VU1300-0MF00
In Stock
From
$90.17
Siemens
-
-
3VU1300-2MF00
3VU1300-2MF00
In Stock
From
$46.37
Siemens
-
-
3VU1300-3MH00
3VU1300-3MH00
In Stock
From
$35.42
Siemens
-
-
3VU1340-1MP00
3VU1340-1MP00
In Stock
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$73.56
Siemens
-
-
3VU1600-0MH00
3VU1600-0MH00
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Siemens
-
-
3VU1600-2ML00
3VU1600-2ML00
In Stock
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$45.27
Siemens
-
-
3VU1600-3MM00
3VU1600-3MM00
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Siemens
-
-
5SU1354-0KK10
5SU1354-0KK10
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Siemens
10
400
5SU1354-6KK40
5SU1354-6KK40
Limited Stock
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Siemens
40
400
5SX9200
5SX9200
In Stock
From
$20.78
Siemens
-
-
5SY4120-8
5SY4120-8
In Stock
From
$38.49
Siemens
20
400
5TE7111
5TE7111
In Stock
From
$16.97
Siemens
-
-
5TE8314
5TE8314
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Siemens
-
-
5TE8812
5TE8812
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Siemens
-
-
8WA1-011-8SF27
8WA1-011-8SF27
Limited Stock
From
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Siemens
-
-
B115AFC
B115AFC
In Stock
From
$141.43
ITE
15
120
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.