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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
LHP36200
LHP36200
In Stock
From
$1,836.77
Square D
200
600
LHP36250
LHP36250
In Stock
From
$1,204.56
Square D
250
600
LHP36300
LHP36300
In Stock
From
$2,754.30
Square D
300
600
LHP36300MB
LHP36300MB
Limited Stock
From
Get Price
Square D
300
600
LHP36400
LHP36400
In Stock
From
$733.70
Square D
400
600
LI36300
LI36300
In Stock
From
$3,164.67
Square D
300
600
LI36500
LI36500
In Stock
From
$3,148.25
Square D
500
600
LI36600
LI36600
In Stock
From
$3,459.21
Square D
600
600
LIL36300
LIL36300
In Stock
From
$1,466.28
Square D
300
600
LIL363008041
LIL363008041
In Stock
From
$786.67
Square D
300
600
LIL36350
LIL36350
In Stock
From
$2,439.10
Square D
350
600
LIL364008041
LIL364008041
In Stock
From
$727.00
Square D
400
600
LIL36450
LIL36450
In Stock
From
$3,511.20
Square D
450
600
LIP36400
LIP36400
In Stock
From
$1,272.82
Square D
400
600
LIP36500
LIP36500
In Stock
From
$3,148.25
Square D
500
600
LIP36600
LIP36600
In Stock
From
$1,862.63
Square D
600
600
LJA36250CU33X
LJA36250CU33X
In Stock
From
$1,449.39
Schneider Electric
250
600
LJA36250U33X
LJA36250U33X
In Stock
From
$3,189.82
Square D
250
600
LJA36400CU43X
LJA36400CU43X
In Stock
From
$4,248.99
Square D
400
600
LJA36400CU44X
LJA36400CU44X
In Stock
From
$4,937.51
Schneider Electric
400
600
LJA36400U53X
LJA36400U53X
In Stock
From
$6,774.77
Schneider Electric
400
600
LJF36400U33X
LJF36400U33X
In Stock
From
$5,076.77
Schneider Electric
400
600
LJF36400U44X
LJF36400U44X
In Stock
From
$1,402.20
Square D
400
600
LJG3F400
LJG3F400
In Stock
From
$7,320.00
Siemens
400
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.