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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.
SORT BY
Part Number
PRICE
Manufacturer
Amperage
Voltage
HFDDC3150
HFDDC3150
In Stock
From
$552.67
Eaton
150
600
HFDDC3150LA1301U3801
HFDDC3150LA1301U3801
In Stock
From
$2,969.03
Eaton
150
600
HFDE310022
HFDE310022
In Stock
From
Get Price
Eaton
100
600
IZMX-M16-48DC
IZMX-M16-48DC
In Stock
From
$218.15
Eaton
-
690
M-34-3A
M-34-3A
In Stock
From
$346.28
Eaton
-
230
MDSA3800F
MDSA3800F
In Stock
From
Get Price
Eaton
800
600
MDSYA3800F
MDSYA3800F
In Stock
From
Get Price
Eaton
800
240
MDY3800
MDY3800
In Stock
From
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Cutler Hammer
800
240
NRXDTPTM
NRXDTPTM
In Stock
From
$2,560.32
Eaton
-
690
PDF23M0060E3RJ
PDF23M0060E3RJ
In Stock
From
$311.65
Eaton
60
480
PDG13C0015TFFJ
PDG13C0015TFFJ
In Stock
From
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Eaton
15
600
PDG13C0035TFFJ
PDG13C0035TFFJ
In Stock
From
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Eaton
35
600
PDG13C0045TFFJ
PDG13C0045TFFJ
In Stock
From
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Eaton
45
600
PDG13M0007MSAJ
PDG13M0007MSAJ
In Stock
From
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Eaton
7
600
PDG22M0175TFFL
PDG22M0175TFFL
In Stock
From
Get Price
Eaton
175
600
PDG43M0800E3RN
PDG43M0800E3RN
In Stock
From
$2,314.39
Eaton
-
-
PDG43M0800E5RN
PDG43M0800E5RN
In Stock
From
$5,444.39
Eaton
-
-
QCP1020
QCP1020
In Stock
From
$22.27
Eaton
-
240
QCP1030
QCP1030
In Stock
From
$22.27
Eaton
-
240
QCP2060
QCP2060
In Stock
From
$48.60
Eaton
-
240
CED2125
CED2125
In Stock
From
$44.44
Challenger
125
240
CH2025
CH2025
In Stock
From
$22.22
Eaton
25
240
CH2035
CH2035
In Stock
From
$26.66
Eaton
35
240
CH2040
CH2040
In Stock
From
$22.22
Eaton
40
240
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.