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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
NGS308032EC
NGS308032EC
In Stock
From
$9,408.36
Eaton
-
-
NGS308035E
NGS308035E
In Stock
From
$7,712.12
Eaton
-
-
NGS308036EC
NGS308036EC
In Stock
From
$5,887.59
Eaton
-
-
NGS312033EC
NGS312033EC
In Stock
From
$8,028.91
Eaton
-
-
NGS312036EC
NGS312036EC
In Stock
From
$8,662.46
Eaton
-
-
NGS312039EC
NGS312039EC
In Stock
From
$7,856.36
Eaton
-
-
NXD62B100
NXD62B100
In Stock
From
$3,471.48
Siemens
1000
600
NXD62B900
NXD62B900
In Stock
From
$4,886.65
Siemens
900
600
PJA36025U44A
PJA36025U44A
In Stock
From
$3,580.15
Schneider Electric
250
600
PKL36120CU31AAAUCMC
PKL36120CU31AAAUCMC
In Stock
From
$7,020.72
Square D
1200
600
QBGFEP2040
QBGFEP2040
In Stock
From
$188.72
Eaton
40
240
QBGFT2025
QBGFT2025
In Stock
From
$337.17
Eaton
25
240
QBGFT2040
QBGFT2040
In Stock
From
$276.52
Eaton
40
240
QJH22B070
QJH22B070
In Stock
From
$280.42
Siemens
70
240
QJH22B080
QJH22B080
In Stock
From
$324.93
Siemens
80
240
QJH22B100
QJH22B100
In Stock
From
$192.30
Siemens
100
240
QJH22B110
QJH22B110
In Stock
From
$275.03
Siemens
110
240
QJH23B110
QJH23B110
In Stock
From
$892.92
Siemens
110
240
SFLA36AT2080C
SFLA36AT2080C
In Stock
From
$62.03
General Electric
80
600
SGLA36AT6600C
SGLA36AT6600C
In Stock
From
$5,077.33
General Electric
600
600
TEYD1060B
TEYD1060B
In Stock
From
$362.96
General Electric
60
480
TEYD2035B
TEYD2035B
In Stock
From
$447.72
General Electric
35
480
TEYD2045B
TEYD2045B
In Stock
From
$840.89
General Electric
45
480
TEYD2080B
TEYD2080B
In Stock
From
$481.79
General Electric
80
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.