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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
TJK636600WL
TJK636600WL
In Stock
From
$2,693.39
General Electric
600
600
TJK636Y600
TJK636Y600
In Stock
From
$1,127.10
General Electric
600
600
TQB1110
TQB1110
In Stock
From
$9.88
General Electric
10
240
TQC1110WL
TQC1110WL
In Stock
From
$26.94
General Electric
10
240
TQD32100WL
TQD32100WL
In Stock
From
$1,103.70
General Electric
100
240
TQD32125WL
TQD32125WL
In Stock
From
$636.99
General Electric
125
240
TQD32125X2
TQD32125X2
In Stock
From
$695.96
General Electric
125
240
TQD32150X2
TQD32150X2
In Stock
From
$36.49
General Electric
150
240
TQD32225WL
TQD32225WL
In Stock
From
$1,006.51
General Electric
225
240
TQD34225WL
TQD34225WL
In Stock
From
$778.69
General Electric
225
415
UBIF020N
UBIF020N
In Stock
From
$25.94
Federal Pacific
20
240
UBIF0215N
UBIF0215N
In Stock
From
$79.33
Connecticut Electric
15
240
UBIF0225N
UBIF0225N
In Stock
From
$93.36
Federal Pacific
25
240
UBIF0230N
UBIF0230N
In Stock
From
$83.53
Connecticut Electric
30
240
UBIF0240N
UBIF0240N
In Stock
From
$55.03
Connecticut Electric
40
240
UBIF0245N
UBIF0245N
In Stock
From
$65.11
Federal Pacific
45
240
UBIF0250N
UBIF0250N
In Stock
From
$63.66
Connecticut Electric
50
240
UBIF15N
UBIF15N
In Stock
From
$26.73
Connecticut Electric
15
240
UBIF215N
UBIF215N
In Stock
From
$141.85
Federal Pacific
15
240
UBIF240N
UBIF240N
In Stock
From
$88.78
Connecticut Electric
40
240
UBIF240NB
UBIF240NB
In Stock
From
$103.55
Connecticut Electric
40
120
UBIF250N
UBIF250N
In Stock
From
$66.33
Connecticut Electric
50
240
UBIF260N
UBIF260N
In Stock
From
$97.02
Connecticut Electric
60
240
UBIF30N
UBIF30N
In Stock
From
$30.68
Connecticut Electric
30
240
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.