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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
XT1NU3060AAA000XXXXT1N
XT1NU3060AAA000XXXXT1N
In Stock
From
$293.22
ABB
60
600
XT3NU3150AFF000XXXXT3N
XT3NU3150AFF000XXXXT3N
In Stock
From
$3,176.57
ABB
150
600
ES-3P-50A
ES-3P-50A
In Stock
From
$78.73
ABB
50
600
PLU703M-K30
PLU703M-K30
In Stock
From
$285.00
ABB
30
240
S282UC-B6
S282UC-B6
Limited Stock
From
Get Price
ABB
6
400
SU201ML-C25
SU201ML-C25
In Stock
From
$39.88
ABB
-
-
SU202MR-K4
SU202MR-K4
In Stock
From
$221.54
ABB
-
-
SU203ML-K40
SU203ML-K40
In Stock
From
$246.79
ABB
-
-
TEB124020
TEB124020
In Stock
From
$19.74
ABB
20
415
TEYADED0AAXXXXXX
TEYADED0AAXXXXXX
In Stock
From
$766.76
ABB
20
240
TEYADED0CAXXXXXX
TEYADED0CAXXXXXX
In Stock
From
$766.76
ABB
20
240
ESB43030L
ESB43030L
In Stock
From
$165.84
ABB
-
-
S261-C10
S261-C10
In Stock
From
$21.00
ABB
-
-
S282-K10A
S282-K10A
In Stock
From
$15.19
ABB
-
-
S3N175TWA
S3N175TWA
In Stock
From
$1,625.73
ABB
-
-
SU201M-K60
SU201M-K60
In Stock
From
$44.44
ABB
-
-
SU202M-C35
SU202M-C35
In Stock
From
$253.93
ABB
-
-
T5H400
T5H400
In Stock
From
$333.33
ABB
-
-
10190320
10190320
In Stock
From
$17.29
ABB
-
-
11170914
11170914
Limited Stock
From
Get Price
ABB
-
-
14C-211
14C-211
In Stock
From
$26.40
ABB
-
-
14C-212
14C-212
In Stock
From
$73.16
ABB
-
-
16021021
16021021
Limited Stock
From
Get Price
ABB
-
-
1SDA000162R1
1SDA000162R1
In Stock
From
$82.15
ABB
-
-
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.