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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.
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Part Number
PRICE
Manufacturer
E81S-U16A
E81S-U16A
Limited Stock
From
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Eec Aeg
E81SC2
E81SC2
In Stock
From
$20.11
Eec Aeg
E81SC4
E81SC4
In Stock
From
$18.43
Eec Aeg
E81U10A
E81U10A
In Stock
From
$18.86
Eec Aeg
E81U4A
E81U4A
In Stock
From
$11.90
Eec Aeg
E915ULC10
E915ULC10
In Stock
From
$7.99
Eec Aeg
E91S C10 N
E91S C10 N
Limited Stock
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Eec Aeg
E91S-C6
E91S-C6
In Stock
From
$23.37
Eec Aeg
E91S-NC10
E91S-NC10
In Stock
From
$29.61
Eec Aeg
E91SULB10
E91SULB10
In Stock
From
$17.68
Eec Aeg
E91SULC01
E91SULC01
In Stock
From
$11.35
Eec Aeg
E91SULC02
E91SULC02
In Stock
From
$21.79
Eec Aeg
E91SULC03
E91SULC03
In Stock
From
$3.07
Eec Aeg
E91SULC05
E91SULC05
In Stock
From
$9.92
Eec Aeg
E91SULC15
E91SULC15
In Stock
From
$13.49
Eec Aeg
E91SULC20
E91SULC20
In Stock
From
$45.45
Eec Aeg
E92 C02
E92 C02
In Stock
From
$20.49
Eec Aeg
E92SULC05
E92SULC05
In Stock
From
$22.50
Eec Aeg
E92SULC06
E92SULC06
In Stock
From
$24.51
Eec Aeg
E92SULC30
E92SULC30
In Stock
From
$12.59
Eec Aeg
E92SULC60
E92SULC60
In Stock
From
$13.97
Eec Aeg
E92SULD63
E92SULD63
In Stock
From
$58.57
Eec Aeg
E93SULB20
E93SULB20
In Stock
From
$50.96
Eec Aeg
ELFA-E81-C1
ELFA-E81-C1
In Stock
From
$8.57
Eec Aeg
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.