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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
QCL1035
QCL1035
In Stock
From
$17.65
Westinghouse
35
240
QCL1040
QCL1040
In Stock
From
$34.13
Westinghouse
40
240
QCL1050
QCL1050
In Stock
From
$27.42
Westinghouse
50
240
QNBAL2060
QNBAL2060
In Stock
From
$22.88
Westinghouse
60
240
QNBAL2070
QNBAL2070
In Stock
From
$41.66
Westinghouse
70
240
QNBAL2090
QNBAL2090
In Stock
From
$106.92
Westinghouse
90
240
QNBAL2100
QNBAL2100
In Stock
From
$19.56
Westinghouse
100
240
QNBL1040
QNBL1040
In Stock
From
$292.25
Westinghouse
40
240
QNBL2015
QNBL2015
In Stock
From
$65.02
Westinghouse
15
240
QNPAL2090
QNPAL2090
In Stock
From
$0.47
Westinghouse
90
240
QNPL1005
QNPL1005
In Stock
From
$3.09
Westinghouse
5
120
QNPL1015
QNPL1015
In Stock
From
$27.53
Westinghouse
15
240
QNPL1020
QNPL1020
In Stock
From
$13.71
Westinghouse
20
240
QNPL1040
QNPL1040
In Stock
From
$116.77
Westinghouse
40
240
QNPL1050
QNPL1050
In Stock
From
$119.99
Westinghouse
50
240
WFP2150T2
WFP2150T2
In Stock
From
Get Price
Westinghouse
150
240
HFA3080M
HFA3080M
In Stock
From
$196.75
Westinghouse
-
-
HFB3020VL
HFB3020VL
In Stock
From
$27.73
Westinghouse
-
-
HMCP030H1CB
HMCP030H1CB
In Stock
From
$190.09
Westinghouse
-
-
MCP03150
MCP03150
In Stock
From
$165.21
Cutler Hammer
-
-
MCP03150S
MCP03150S
In Stock
From
$403.14
Westinghouse
-
-
1265C95G09
1265C95G09
In Stock
From
$161.34
Westinghouse
150
600
2609D60G46
2609D60G46
In Stock
From
Get Price
Westinghouse
800
600
313C644G30
313C644G30
In Stock
From
$54.40
Eaton
-
-
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.