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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
PGA36080CU44A
PGA36080CU44A
In Stock
From
$13,921.12
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PGL46080CU31ARE10
PGL46080CU31ARE10
In Stock
From
$2,333.33
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PGM36040U44AAASALU
PGM36040U44AAASALU
In Stock
From
$314.04
Square D
PHF20261595
PHF20261595
In Stock
From
$1,080.00
Square D
PHF3610001386
PHF3610001386
In Stock
From
$960.06
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PHF3620001674
PHF3620001674
In Stock
From
$1,666.67
Square D
PJA36060CU44B
PJA36060CU44B
In Stock
From
$68.29
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PJA36060U44AE
PJA36060U44AE
In Stock
From
$609.08
Square D
PJA36080U74BE1YP
PJA36080U74BE1YP
In Stock
From
$6,331.06
Square D
PJA36100U43AE1ACSAMA
PJA36100U43AE1ACSAMA
In Stock
From
$5,371.80
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PJD250GV
PJD250GV
In Stock
From
$1,818.18
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PLA34025CU44AE1ACYP
PLA34025CU44AE1ACYP
In Stock
From
$80.80
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Q12100VHIN
Q12100VHIN
In Stock
From
$197.38
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Q1260H
Q1260H
In Stock
From
$27.97
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Q13100H
Q13100H
In Stock
From
$9.67
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Q1B240H
Q1B240H
In Stock
From
$0.04
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Q1U260
Q1U260
In Stock
From
$2.22
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Q1U290
Q1U290
In Stock
From
$32.82
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Q2200NS
Q2200NS
In Stock
From
$127.82
Square D
Q221110ABH
Q221110ABH
In Stock
From
$27.91
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Q221150BA
Q221150BA
In Stock
From
$18.50
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Q22150AC
Q22150AC
In Stock
From
$80.95
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Q22150BC
Q22150BC
In Stock
From
$0.02
Square D
Q2B22150ACH
Q2B22150ACH
In Stock
From
$22.61
Square D
Popular Molded Case Circuit Breaker Manufacturers
Eaton
Square D
ABB
Siemens

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.