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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.
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Part Number
PRICE
Manufacturer
Amperage
Voltage
Q2B32150H
Q2B32150H
In Stock
From
$87.26
Square D
150
240
QHB1201021
QHB1201021
In Stock
From
$629.27
Schneider Electric
20
120
25733
25733
In Stock
From
$16.97
Schneider Electric
40
480
25839
25839
Limited Stock
From
Get Price
Schneider Electric
1
240
25853
25853
Limited Stock
From
Get Price
Merlin Gerin
2
440
25858
25858
Limited Stock
From
Get Price
Schneider Electric
20
440
25859
25859
Limited Stock
From
Get Price
Merlin Gerin
25
440
25863
25863
In Stock
From
$9.09
Merlin Gerin
63
440
25866
25866
Limited Stock
From
Get Price
Merlin Gerin
2
440
25879
25879
Limited Stock
From
Get Price
Merlin Gerin
2
440
29713
29713
Limited Stock
From
Get Price
Merlin Gerin
40
690
29715
29715
In Stock
From
$745.95
Merlin Gerin
16
690
BJA260304
BJA260304
In Stock
From
$955.67
Square D
30
600
BJA260602
BJA260602
In Stock
From
$938.51
Schneider Electric
60
600
BJA260904
BJA260904
In Stock
From
$1,176.57
Square D
90
600
CJ200H
CJ200H
In Stock
From
$368.38
Square D
200
600
CK1000N-4P
CK1000N-4P
In Stock
From
$2,763.15
Schneider Electric
1000
600
EJB34015SALH
EJB34015SALH
In Stock
From
$293.27
Square D
15
480
EZD400M3350K
EZD400M3350K
In Stock
From
$655.18
Schneider Electric
350
690
HGL36000S15YE
HGL36000S15YE
In Stock
From
$1,440.73
Square D
150
600
HGL36150U33XSA
HGL36150U33XSA
In Stock
From
$2,375.78
Schneider Electric
150
600
HGN36000S15
HGN36000S15
In Stock
From
$8.70
Square D
150
600
HGN36030
HGN36030
In Stock
From
$575.10
Schneider Electric
30
600
JGL36225ABLC
JGL36225ABLC
In Stock
From
$762.82
Square D
225
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.