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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
TB436350
TB436350
In Stock
From
$196.30
ABB
TB43F200
TB43F200
In Stock
From
$37.47
ABB
TB43F300
TB43F300
In Stock
From
$284.16
ABB
TB4UVA4R
TB4UVA4R
In Stock
From
$22.84
ABB
TB83F00
TB83F00
In Stock
From
$67.44
ABB
TE11025
TE11025
In Stock
From
$23.58
ABB
TE111090
TE111090
In Stock
From
$49.57
ABB
TE113020
TE113020
In Stock
From
$0.13
ABB
TE132040WL
TE132040WL
In Stock
From
$3.67
ABB
TE31M100D
TE31M100D
In Stock
From
$2.24
ABB
TE32025
TE32025
In Stock
From
$64.45
ABB
TE32035
TE32035
In Stock
From
$6.98
ABB
TEB11020
TEB11020
In Stock
From
$7.68
ABB
TEB132C5030
TEB132C5030
In Stock
From
$3.67
ABB
TEB132C5040
TEB132C5040
In Stock
From
$5.71
ABB
TEC136015
TEC136015
In Stock
From
$55.56
ABB
TED122030
TED122030
In Stock
From
$0.04
ABB
TED124C5020
TED124C5020
In Stock
From
$31.87
ABB
TED134015AS2AB1
TED134015AS2AB1
In Stock
From
$2.84
ABB
TED144030
TED144030
In Stock
From
$4.49
ABB
TEI125C025
TEI125C025
In Stock
From
$9.09
ABB
TEML34007
TEML34007
In Stock
From
$13.74
ABB
TEY320ST6
TEY320ST6
In Stock
From
$7.49
ABB
TEY340ST6
TEY340ST6
In Stock
From
$179.02
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.