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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
J2070L
J2070L
In Stock
From
$623.13
Westinghouse
70
600
J2080
J2080
In Stock
From
$571.06
Westinghouse
80
600
J2090
J2090
In Stock
From
$381.99
Westinghouse
90
600
J2090L
J2090L
In Stock
From
$630.00
Westinghouse
90
600
J2100
J2100
In Stock
From
$243.44
Westinghouse
100
600
J2100L
J2100L
In Stock
From
$783.94
Westinghouse
100
600
J2125L
J2125L
In Stock
From
$32.75
Westinghouse
125
600
J2150
J2150
In Stock
From
$50.71
Westinghouse
150
600
J2150L
J2150L
In Stock
From
$624.10
Westinghouse
150
600
J2175
J2175
In Stock
From
$150.31
Westinghouse
175
600
J2175L
J2175L
In Stock
From
$371.21
Westinghouse
175
600
J2200
J2200
In Stock
From
$472.33
Westinghouse
200
600
J2200L
J2200L
In Stock
From
$597.08
Westinghouse
200
600
J2225
J2225
In Stock
From
$458.69
Westinghouse
225
600
J2225L
J2225L
In Stock
From
$786.32
Westinghouse
225
600
J3070
J3070
In Stock
From
$89.70
Westinghouse
70
600
J3070L
J3070L
In Stock
From
$779.36
Westinghouse
70
600
J3090
J3090
In Stock
From
$902.86
Westinghouse
90
600
J3090L
J3090L
In Stock
From
$902.86
Westinghouse
90
600
J3100L
J3100L
In Stock
From
Get Price
Westinghouse
100
600
J3125L
J3125L
In Stock
From
Get Price
Westinghouse
125
600
J3150
J3150
In Stock
From
$476.30
Westinghouse
150
600
J3150L
J3150L
In Stock
From
$520.51
Westinghouse
150
600
J3175L
J3175L
In Stock
From
$696.88
Westinghouse
175
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.