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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
NZM6B-63/ZM6A-30-NA
NZM6B-63/ZM6A-30-NA
In Stock
From
$975.87
Eaton
30
600
PB32000N
PB32000N
In Stock
From
$663.11
Cutler Hammer
2000
600
PDG13C0090TFFJ
PDG13C0090TFFJ
In Stock
From
Get Price
Eaton
90
600
PDG13F0090TFFJ
PDG13F0090TFFJ
In Stock
From
Get Price
Eaton
90
600
PDG13G0070TFFJ
PDG13G0070TFFJ
In Stock
From
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Eaton
70
600
PDG13M0003MSAJ
PDG13M0003MSAJ
In Stock
From
Get Price
Eaton
3
600
PDG13M0030MSAJ
PDG13M0030MSAJ
In Stock
From
Get Price
Eaton
30
600
PDG13M0050MSAJ
PDG13M0050MSAJ
In Stock
From
Get Price
Eaton
50
600
PDG13M0070MSAJ
PDG13M0070MSAJ
In Stock
From
Get Price
Eaton
70
600
PDG23M0015MSAJ
PDG23M0015MSAJ
In Stock
From
Get Price
Eaton
15
600
QBGFEP1030W1
QBGFEP1030W1
In Stock
From
$542.82
Eaton
30
120
QBH40
QBH40
In Stock
From
$122.42
Eaton
40
120
QBHGFEP1030
QBHGFEP1030
In Stock
From
$404.77
Cutler Hammer
30
120
QBHGFEP2025
QBHGFEP2025
In Stock
From
$302.17
Cutler Hammer
25
240
QBHGFEP2030
QBHGFEP2030
In Stock
From
$552.72
Eaton
30
240
QC1070T
QC1070T
In Stock
From
$14.69
Eaton
70
240
QC2010
QC2010
In Stock
From
$40.04
Cutler Hammer
10
240
QC2015H
QC2015H
In Stock
From
$66.01
Cutler Hammer
15
240
QC2015S
QC2015S
In Stock
From
$64.70
Cutler Hammer
15
240
QC2030S
QC2030S
In Stock
From
$24.24
Cutler Hammer
30
240
RD316T35RW
RD316T35RW
In Stock
From
$4,000.00
Eaton
1600
600
SPD1K0125
SPD1K0125
In Stock
From
$513.84
Eaton
-
-
WMZH1D20
WMZH1D20
In Stock
From
$62.39
Eaton
20
480
WMZS2C02
WMZS2C02
In Stock
From
$346.32
Eaton
2
480
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.