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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
1773513
1773513
In Stock
From
$689.38
Westinghouse
200
600
1773514
1773514
In Stock
From
$722.00
Westinghouse
225
600
1773515
1773515
In Stock
From
$1,248.94
Westinghouse
250
600
1773516
1773516
In Stock
From
$969.02
Westinghouse
300
600
1773517
1773517
In Stock
From
$1,214.07
Westinghouse
350
600
1773518
1773518
In Stock
From
$1,054.04
Westinghouse
400
600
2609D60G08
2609D60G08
In Stock
From
$39.18
Westinghouse
100
1000
2609D60G41
2609D60G41
In Stock
From
$32.08
Westinghouse
225
600
314C531G09
314C531G09
In Stock
From
$793.97
Westinghouse
40
600
46A8101G02
46A8101G02
In Stock
From
$737.91
Westinghouse
70
600
46A8101G03
46A8101G03
In Stock
From
$721.62
Westinghouse
90
600
46A8101G04
46A8101G04
In Stock
From
$783.94
Westinghouse
100
600
46A8101G05
46A8101G05
In Stock
From
$32.75
Westinghouse
125
600
46A8101G06
46A8101G06
In Stock
From
$624.10
Westinghouse
150
600
46A8101G07
46A8101G07
In Stock
From
$371.21
Westinghouse
175
600
46A8101G08
46A8101G08
In Stock
From
$597.08
Westinghouse
200
600
46A8101G09
46A8101G09
In Stock
From
$786.32
Westinghouse
225
600
46A8101G15
46A8101G15
In Stock
From
$779.36
Westinghouse
70
600
46A8101G16
46A8101G16
In Stock
From
$902.86
Westinghouse
90
600
46A8101G17
46A8101G17
In Stock
From
Get Price
Westinghouse
100
600
46A8101G19
46A8101G19
In Stock
From
$520.51
Westinghouse
150
600
46A8101G20
46A8101G20
In Stock
From
$696.88
Westinghouse
175
600
46A8101G21
46A8101G21
In Stock
From
$689.38
Westinghouse
200
600
46A8101G22
46A8101G22
In Stock
From
$722.00
Westinghouse
225
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.