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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
WMZT3C05
WMZT3C05
In Stock
From
$110.26
Eaton
5
480
WMZT3C20
WMZT3C20
In Stock
From
$183.54
Eaton
20
480
WMZT3C25
WMZT3C25
In Stock
From
$331.22
Eaton
25
480
WMZT3C40
WMZT3C40
In Stock
From
$83.33
Eaton
40
480
WMZT3D25
WMZT3D25
In Stock
From
$100.47
Eaton
25
480
WMZT3D40
WMZT3D40
In Stock
From
$119.01
Eaton
40
480
BQL250
BQL250
In Stock
From
$79.68
Eaton
50
240
BQL290
BQL290
In Stock
From
$170.84
Eaton
90
240
BQL3100
BQL3100
In Stock
From
$560.79
Eaton
100
240
BQL315
BQL315
In Stock
From
$353.71
Eaton
15
240
BQL320
BQL320
In Stock
From
$328.42
Eaton
20
240
BQL390
BQL390
In Stock
From
$530.36
Eaton
90
240
BRP115A1CS
BRP115A1CS
In Stock
From
$40.03
Eaton
-
120
BRP120A1CS
BRP120A1CS
In Stock
From
$62.07
Eaton
-
120
CCH3100
CCH3100
In Stock
From
$544.24
Eaton
100
240
CCH3225
CCH3225
In Stock
From
$873.13
Eaton
225
240
CKDPV4150W
CKDPV4150W
In Stock
From
$6,513.01
Eaton
150
1000
CKDPV4175W
CKDPV4175W
In Stock
From
$6,527.75
Eaton
175
1000
CKDPV4200W
CKDPV4200W
In Stock
From
$7,513.39
Eaton
200
1000
DK3200W
DK3200W
In Stock
From
$785.49
Eaton
200
240
ELFD3110L
ELFD3110L
In Stock
From
$2,163.93
Cutler Hammer
110
480
ELFD3150L
ELFD3150L
In Stock
From
$851.40
Eaton
150
480
HF3070
HF3070
In Stock
From
$86.67
Eaton
70
600
QBGFEP1040
QBGFEP1040
In Stock
From
$197.96
Eaton
40
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.