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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
UQFB-125
UQFB-125
In Stock
From
$322.36
Milbank
125
240
UQFB200-2
UQFB200-2
In Stock
From
$1,109.25
Milbank
200
240
UQFPH-100
UQFPH-100
In Stock
From
$374.38
Milbank
100
240
UQFPH-200
UQFPH-200
In Stock
From
$519.04
Milbank
200
240
UQFP100-2
UQFP100-2
In Stock
From
$481.49
Milbank
100
240
UQFP150-2P
UQFP150-2P
In Stock
From
$406.16
Unicorn
150
240
UQFP200-2
UQFP200-2
In Stock
From
$235.93
Milbank
200
240
UQFP2225
UQFP2225
In Stock
From
$222.77
Milbank
225
240
UQFB150-2
UQFB150-2
In Stock
From
$300.38
Unicorn
150
240
UQFB225-3
UQFB225-3
In Stock
From
$574.15
Unicorn
225
240
UQFB24125
UQFB24125
In Stock
From
$569.51
Unicorn
125
240
QFP175-3P
QFP175-3P
In Stock
From
$410.24
Milbank
175
240
UQFP150-2
UQFP150-2
In Stock
From
$327.22
Milbank
150
240
UQFP175-2
UQFP175-2
In Stock
From
$518.18
Milbank
175
240
UQFP200-2P
UQFP200-2P
In Stock
From
$255.86
Milbank
200
240
UQFP2125K
UQFP2125K
In Stock
From
$211.90
Milbank
125
240
UQFP225-2
UQFP225-2
In Stock
From
$198.46
Unicorn
225
240
UQFB-200
UQFB-200
In Stock
From
$344.27
Milbank
200
240
UQFB100-2
UQFB100-2
In Stock
From
$467.20
Milbank
100
240
UQFB125-2
UQFB125-2
In Stock
From
$639.75
Milbank
125
240
UQFB125-2P
UQFB125-2P
In Stock
From
$347.09
Unicorn
125
240
UQFB125-3
UQFB125-3
In Stock
From
$573.29
Milbank
125
240
UQFB125-3P
UQFB125-3P
In Stock
From
$577.13
Milbank
125
240
UQFB150
UQFB150
In Stock
From
$207.46
Unicorn
150
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.