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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
Amperage
Voltage
25856
25856
Limited Stock
From
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Merlin Gerin
10
440
25857
25857
In Stock
From
$186.61
Merlin Gerin
16
440
25865
25865
Limited Stock
From
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Schneider Electric
1
440
25868
25868
Limited Stock
From
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Merlin Gerin
6
440
25869
25869
Limited Stock
From
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Merlin Gerin
10
440
25870
25870
Limited Stock
From
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Merlin Gerin
16
440
25871
25871
Limited Stock
From
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Merlin Gerin
20
440
25872
25872
Limited Stock
From
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Merlin Gerin
25
440
25873
25873
In Stock
From
$645.72
Merlin Gerin
32
440
25874
25874
Limited Stock
From
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Merlin Gerin
40
440
25878
25878
In Stock
From
$26.81
Merlin Gerin
1
440
25884
25884
Limited Stock
From
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Merlin Gerin
20
440
29734
29734
In Stock
From
$735.84
Merlin Gerin
25
690
30692
30692
In Stock
From
$0.35
Merlin Gerin
100
690
32403
32403
Limited Stock
From
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Merlin Gerin
400
600
32404
32404
In Stock
From
$1.41
Merlin Gerin
400
600
32957
32957
In Stock
From
$0.68
Merlin Gerin
630
440
36810
36810
In Stock
From
$4.44
Merlin Gerin
150
600
36925
36925
In Stock
From
$7.63
Merlin Gerin
400
600
36934
36934
In Stock
From
$15.61
Merlin Gerin
600
600
987326
987326
In Stock
From
$103.21
Square D
200
600
989370
989370
In Stock
From
$164.84
Square D
70
240
994320
994320
In Stock
From
$141.25
Square D
20
480
994330
994330
In Stock
From
$141.53
Square D
30
480
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.