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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
TB130
TB130
In Stock
From
$27.88
Thomas & Betts
30
240
TB140
TB140
In Stock
From
$4.03
Thomas & Betts
40
240
TB150
TB150
In Stock
From
$23.54
Thomas & Betts
50
240
TB150C
TB150C
In Stock
From
$7.39
Thomas & Betts
50
240
TB160
TB160
In Stock
From
$41.71
Thomas & Betts
60
240
TB220
TB220
In Stock
From
$24.72
Thomas & Betts
20
240
TB220C
TB220C
In Stock
From
$14.51
Thomas & Betts
20
240
TB230
TB230
In Stock
From
$34.76
Thomas & Betts
30
240
TB240
TB240
In Stock
From
$21.71
Thomas & Betts
40
240
TB270
TB270
In Stock
From
$72.79
Thomas & Betts
70
240
TB315
TB315
In Stock
From
$36.58
Thomas & Betts
15
240
TBBD1515
TBBD1515
In Stock
From
$20.71
Thomas & Betts
15
240
TBBQ220250
TBBQ220250
In Stock
From
$64.53
Thomas & Betts
50
240
TBBR2020
TBBR2020
In Stock
From
$13.50
Thomas & Betts
20
240
TBFP24-150-3
TBFP24-150-3
In Stock
From
$523.57
Thomas & Betts
150
240
LS360300E
LS360300E
In Stock
From
$2,340.22
Cutler Hammer
300
600
LS360600E
LS360600E
In Stock
From
$867.16
Thomas & Betts
600
600
LS36060YE
LS36060YE
In Stock
From
$1,035.65
Thomas & Betts
60
600
TBFP125-2
TBFP125-2
In Stock
From
$180.21
Thomas & Betts
125
240
LS36F600E
LS36F600E
In Stock
From
$979.59
Thomas & Betts
600
600
A120
A120
In Stock
From
$29.54
Thomas & Betts
20
240
A125
A125
In Stock
From
$5.04
Thomas & Betts
25
240
A130R
A130R
In Stock
From
$25.74
Thomas & Betts
30
240
FH360015A
FH360015A
In Stock
From
$413.04
Thomas & Betts
15
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.