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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
NV50-SVFU3P15A100
NV50-SVFU3P15A100
In Stock
From
$674.90
Mitsubishi
-
-
NV50-SVFU3P30A100
NV50-SVFU3P30A100
In Stock
From
$637.04
Mitsubishi
-
-
NV63-SV3P25A30
NV63-SV3P25A30
In Stock
From
$325.74
Mitsubishi
-
-
NF100CS
NF100CS
In Stock
From
$2.24
Mitsubishi
-
-
NF100S
NF100S
In Stock
From
$2.24
Mitsubishi
-
-
CP30-BA
CP30-BA
In Stock
From
$47.55
Mitsubishi
-
-
NF100-HRU3015
NF100-HRU3015
Limited Stock
From
Get Price
Mitsubishi
-
-
NF30-CS
NF30-CS
Limited Stock
From
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Mitsubishi
-
-
NF30SP10
NF30SP10
In Stock
From
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Mitsubishi
-
-
NF32-SV
NF32-SV
In Stock
From
$151.20
Mitsubishi
-
-
NF50-FAU3P50A
NF50-FAU3P50A
In Stock
From
$112.67
Mitsubishi
-
-
NF50-SMU2P10A
NF50-SMU2P10A
In Stock
From
$77.02
Mitsubishi
-
-
NF50-SVFU330
NF50-SVFU330
Limited Stock
From
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Mitsubishi
-
-
NV100-SRU3P40A30
NV100-SRU3P40A30
In Stock
From
$230.29
Mitsubishi
-
-
NV250-SVU3200
NV250-SVU3200
Limited Stock
From
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Mitsubishi
-
-
NV30SP15
NV30SP15
In Stock
From
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Mitsubishi
-
-
NF400-CP-3P-250A
NF400-CP-3P-250A
In Stock
From
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Mitsubishi
-
-
NF400-CP-3P-300A
NF400-CP-3P-300A
In Stock
From
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Mitsubishi
-
-
NF225-C-125
NF225-C-125
In Stock
From
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Mitsubishi
-
-
NF30-SP-20
NF30-SP-20
In Stock
From
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Mitsubishi
-
-
NF32-SW-15
NF32-SW-15
In Stock
From
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Mitsubishi
-
-
NF-SF-3060
NF-SF-3060
Limited Stock
From
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Mitsubishi
60
600
NF-SF-3080
NF-SF-3080
Limited Stock
From
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Mitsubishi
80
600
NF-SF-3100
NF-SF-3100
Limited Stock
From
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Mitsubishi
100
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.