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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
JJA262254
JJA262254
In Stock
From
$2,303.32
Square D
225
600
JJA262501
JJA262501
In Stock
From
$1,045.59
Square D
250
600
JJF36175
JJF36175
In Stock
From
Get Price
Square D
175
600
JJF36225
JJF36225
In Stock
From
$654.14
Schneider Electric
225
600
JJF36250
JJF36250
In Stock
From
$903.45
Square D
250
600
JJL26150
JJL26150
In Stock
From
$2,819.14
Square D
150
600
JJL36175T
JJL36175T
In Stock
From
Get Price
Square D
175
600
JJL36200
JJL36200
In Stock
From
$1,676.95
Square D
200
600
JJL36200SA
JJL36200SA
In Stock
From
$3,562.19
Square D
200
600
JJL36200T
JJL36200T
In Stock
From
$3,060.60
Schneider Electric
200
600
JJL36225
JJL36225
In Stock
From
$1,083.97
Square D
225
600
JJL36225C
JJL36225C
In Stock
From
$3,202.67
Square D
225
600
JJL36225T
JJL36225T
In Stock
From
$3,118.42
Schneider Electric
225
600
JJL36250SA
JJL36250SA
In Stock
From
$4,933.14
Square D
250
600
JJL36250T
JJL36250T
In Stock
From
$3,580.15
Schneider Electric
250
600
JJL36250U31X
JJL36250U31X
In Stock
From
$2,273.36
Schneider Electric
250
600
JJM36150
JJM36150
In Stock
From
$1,947.95
Square D
150
600
JJM36225
JJM36225
In Stock
From
$2,517.62
Schneider Electric
225
600
JJP36175
JJP36175
In Stock
From
$938.96
Square D
175
600
JJP36200
JJP36200
In Stock
From
$1,052.46
Schneider Electric
200
600
JJP36225
JJP36225
In Stock
From
$783.10
Square D
225
600
JJP36250
JJP36250
In Stock
From
$1,497.55
Square D
250
600
JJP36250U31X
JJP36250U31X
In Stock
From
$1,100.79
Schneider Electric
250
600
JJP36250U43X
JJP36250U43X
In Stock
From
$1,320.43
Square D
250
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.