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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
SPHM3HM07R5
SPHM3HM07R5
In Stock
From
$230.56
Eaton
-
-
SPHM3RM0R75
SPHM3RM0R75
In Stock
From
$473.69
Eaton
-
-
WMZD2C05
WMZD2C05
In Stock
From
$28.23
Eaton
-
-
WMZD2C07
WMZD2C07
In Stock
From
$254.55
Eaton
-
-
WMZS1D00
WMZS1D00
In Stock
From
$24.56
Eaton
-
-
WMZS3D00
WMZS3D00
In Stock
From
$58.67
Eaton
-
-
WMZT1P6TSP
WMZT1P6TSP
In Stock
From
$34.74
Eaton
-
-
WMZT2CX1
WMZT2CX1
In Stock
From
$67.39
Eaton
-
-
WMZT3CX0
WMZT3CX0
In Stock
From
$102.39
Eaton
-
-
XBATCP6
XBATCP6
In Stock
From
$35.35
Eaton
-
-
XTPE012B
XTPE012B
In Stock
From
$256.25
Eaton
-
-
2263 SHK MG4
2263 SHK MG4
In Stock
From
$44.96
Eaton
-
-
BB-UL-25/3P-3M/57
BB-UL-25/3P-3M/57
In Stock
From
$346.22
Eaton
-
277
BRPAFGF120CS
BRPAFGF120CS
In Stock
From
$180.50
Eaton
-
120
CCP-1-30CF
CCP-1-30CF
In Stock
From
$90.37
Eaton
30
600
CCP-1-30M
CCP-1-30M
In Stock
From
$58.91
Eaton
30
600
CCP-1-60CF
CCP-1-60CF
In Stock
From
$42.30
Eaton
60
-
CKDB3400FT32W
CKDB3400FT32W
In Stock
From
$3,539.27
Eaton
400
600
FAZ-G40A-3
FAZ-G40A-3
In Stock
From
Get Price
Eaton
3
480
GJS2250NN
GJS2250NN
In Stock
From
$874.80
Eaton
-
690
GJS3160AAWZ1
GJS3160AAWZ1
In Stock
From
$2,050.92
Eaton
-
600
HFDDC3070D17
HFDDC3070D17
In Stock
From
$0.02
Eaton
70
600
HFDDC3100
HFDDC3100
Limited Stock
From
Get Price
Eaton
100
600
HFDDC3125
HFDDC3125
In Stock
From
$246.15
Eaton
125
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.