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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
PGA261202YP
PGA261202YP
In Stock
From
$555.56
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PGL36080U33AABUKMOYB
PGL36080U33AABUKMOYB
In Stock
From
$7,200.00
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PGM36080U63AE1LUYP
PGM36080U63AE1LUYP
In Stock
From
$1,803.40
Square D
PJA36040U43B
PJA36040U43B
In Stock
From
$2,892.74
Square D
PJA36080U44BE1ABSAJA
PJA36080U44BE1ABSAJA
In Stock
From
$4,418.19
Square D
PJD36000S12ABSLYEY001
PJD36000S12ABSLYEY001
In Stock
From
$25.60
Square D
PJD36000S12ABYEY001
PJD36000S12ABYEY001
In Stock
From
$25.60
Square D
PJF36025CU44AABYP
PJF36025CU44AABYP
In Stock
From
$1,251.02
Square D
PJF36100CU31CAABC
PJF36100CU31CAABC
In Stock
From
$0.02
Square D
PJF36100CU31CAABCSK
PJF36100CU31CAABCSK
In Stock
From
$56.60
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PJP36040CU44BACSAMAYP
PJP36040CU44BACSAMAYP
In Stock
From
$1,251.11
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PJP36040CU63BACSAMAYP
PJP36040CU63BACSAMAYP
In Stock
From
$1,238.67
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PLA34040U44B
PLA34040U44B
In Stock
From
$555.56
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Q0120HM
Q0120HM
In Stock
From
$10.38
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Q1B340VHS1021
Q1B340VHS1021
In Stock
From
$44.44
Square D
Q1B340VHST
Q1B340VHST
In Stock
From
$11.11
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Q1U360ST
Q1U360ST
In Stock
From
$44.44
Square D
Q232200A
Q232200A
In Stock
From
$18.73
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Q232225H-GRY
Q232225H-GRY
In Stock
From
$33.33
Square D
Q23225
Q23225
In Stock
From
$22.22
Square D
Q2B22200ABH
Q2B22200ABH
In Stock
From
$111.11
Square D
Q2B3150H
Q2B3150H
In Stock
From
$55.56
Square D
Q2M3200
Q2M3200
In Stock
From
$122.45
Square D
Q2MB3150MB
Q2MB3150MB
In Stock
From
$14.98
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.