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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
BAB2100N
BAB2100N
In Stock
From
$167.57
Cutler Hammer
100
240
BAB2100S1
BAB2100S1
In Stock
From
$296.06
Westinghouse
100
240
BAB3010HS
BAB3010HS
In Stock
From
Get Price
Eaton
10
240
BAB3100HS
BAB3100HS
In Stock
From
$186.00
Eaton
100
240
BQ215230
BQ215230
In Stock
From
$71.55
Cutler Hammer
30
240
BQ215240
BQ215240
In Stock
From
$65.11
Cutler Hammer
40
240
BQ2202120
BQ2202120
In Stock
From
$48.42
Cutler Hammer
20
240
BQ240240
BQ240240
In Stock
From
$72.28
Eaton
40
240
BQ2502115
BQ2502115
In Stock
From
$85.68
Cutler Hammer
50
240
BQ2502120
BQ2502120
In Stock
From
$71.26
Cutler Hammer
50
240
BQC2152120
BQC2152120
In Stock
From
$90.28
Cutler Hammer
15
240
BQC220215
BQC220215
In Stock
From
$43.16
Cutler Hammer
15
240
CA2150Y
CA2150Y
In Stock
From
$312.89
Eaton
150
240
CA2200
CA2200
In Stock
From
$1,372.27
Cutler Hammer
200
240
CA2225
CA2225
In Stock
From
$1,006.64
Cutler Hammer
225
240
CA2225W
CA2225W
In Stock
From
$2,181.24
Cutler Hammer
225
240
CA2225X
CA2225X
In Stock
From
$2,181.24
Cutler Hammer
225
240
CAH2125
CAH2125
In Stock
From
$777.95
Cutler Hammer
125
240
CAH2225
CAH2225
In Stock
From
$939.12
Cutler Hammer
225
240
CAH2225X
CAH2225X
In Stock
From
$939.12
Cutler Hammer
225
240
CH115AF
CH115AF
In Stock
From
$54.86
Eaton
15
120
CH2125
CH2125
In Stock
From
$461.03
Eaton
125
240
CHFAFGF115PN
CHFAFGF115PN
In Stock
From
$58.71
Eaton
15
120
CHFCAF115
CHFCAF115
In Stock
From
$88.49
Eaton
15
120
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.