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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
FKA160203
FKA160203
In Stock
From
$76.55
Square D
-
-
GSO
GSO
In Stock
From
$54.44
Square D
-
-
HGL36000S15AA
HGL36000S15AA
In Stock
From
$799.67
Square D
-
-
HOM2305219
HOM2305219
In Stock
From
$19.91
Square D
-
-
HOMT215250
HOMT215250
In Stock
From
$107.27
Square D
-
-
JLN36000S25AB
JLN36000S25AB
In Stock
From
$168.07
Square D
-
-
LAL36000
LAL36000
In Stock
From
$434.53
Schneider Electric
-
-
LAL36250WB
LAL36250WB
In Stock
From
$100.00
Square D
250
600
LD1LC030MH51
LD1LC030MH51
In Stock
From
$100.22
Schneider Electric
-
-
MHL36200
MHL36200
In Stock
From
$2,756.21
Schneider Electric
-
-
NC030-UL
NC030-UL
In Stock
From
$25.61
Schneider Electric
-
-
NC040-UL
NC040-UL
In Stock
From
$15.53
Schneider Electric
-
-
NC050-UL
NC050-UL
In Stock
From
$16.51
Schneider Electric
-
-
NQNL2
NQNL2
In Stock
From
$152.89
Square D
-
-
NSC100N
NSC100N
In Stock
From
$27.71
Schneider Electric
-
-
QO115CAFIC
QO115CAFIC
In Stock
From
$75.88
Schneider Electric
-
-
QO1202100
QO1202100
In Stock
From
$28.09
Square D
-
-
24171
24171
Limited Stock
From
Get Price
Schneider Electric
-
-
26665
26665
In Stock
From
$47.15
Schneider Electric
-
-
33092
33092
In Stock
From
$26.26
Schneider Electric
-
-
60266F
60266F
In Stock
From
$69.82
Schneider Electric
-
-
60267F
60267F
In Stock
From
$30.93
Schneider Electric
-
-
A9F03225
A9F03225
Limited Stock
From
Get Price
Schneider Electric
-
-
A9F04125
A9F04125
Limited Stock
From
Get Price
Schneider Electric
-
-
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.