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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
UQFB225-2P
UQFB225-2P
In Stock
From
$393.70
Milbank
225
240
UQFB24150
UQFB24150
In Stock
From
$577.42
Milbank
150
240
UQFB24175
UQFB24175
In Stock
From
$649.79
Unicorn
175
240
UQFB24200
UQFB24200
In Stock
From
$591.45
Unicorn
200
240
UQFB24225
UQFB24225
In Stock
From
$572.38
Unicorn
225
240
UQFP100-3
UQFP100-3
In Stock
From
$407.30
Unicorn
100
240
QFL23125
QFL23125
In Stock
From
$468.58
Milbank
125
240
QFL23150
QFL23150
In Stock
From
$786.93
Challenger
150
240
QFL23175
QFL23175
In Stock
From
$467.26
Unicorn
175
240
UQFL2125
UQFL2125
In Stock
From
$444.28
Milbank
125
240
UQFL2175
UQFL2175
In Stock
From
$443.18
Unicorn
175
240
UQFL2200
UQFL2200
In Stock
From
$400.39
Unicorn
200
240
UQFL2225
UQFL2225
In Stock
From
$390.82
Unicorn
225
240
UQFL23125
UQFL23125
In Stock
From
$634.75
Unicorn
125
240
UQFL23175
UQFL23175
In Stock
From
$630.94
Unicorn
175
240
UQFL23200
UQFL23200
In Stock
From
$623.87
Unicorn
200
240
UQFL23225
UQFL23225
In Stock
From
$725.14
Unicorn
225
240
UQFP150-3
UQFP150-3
In Stock
From
$413.96
Milbank
150
240
UQFP150-3P
UQFP150-3P
In Stock
From
$409.70
Unicorn
150
240
UQFP175-3
UQFP175-3
In Stock
From
$403.69
Unicorn
175
240
UQFP2125T
UQFP2125T
In Stock
From
$205.06
Milbank
125
240
UQFP225-3
UQFP225-3
In Stock
From
$405.23
Unicorn
225
240
UQFP225-3P
UQFP225-3P
In Stock
From
$432.42
Unicorn
225
240
UQFB-100
UQFB-100
Limited Stock
From
Get Price
Milbank
100
240
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.