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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
S201P-K0.2
S201P-K0.2
In Stock
From
$31.14
ABB
0.2
277
S201P-K13
S201P-K13
In Stock
From
$30.61
ABB
13
277
S201P-K16
S201P-K16
In Stock
From
$19.12
ABB
16
277
S201P-K50
S201P-K50
In Stock
From
$36.36
ABB
50
277
S201P-K6
S201P-K6
In Stock
From
$22.50
ABB
6
277
S201P-Z16
S201P-Z16
In Stock
From
$18.55
ABB
16
277
S201P-Z2
S201P-Z2
In Stock
From
$37.81
ABB
2
277
S201U-K20
S201U-K20
In Stock
From
$81.87
ABB
20
240
S201U-K4
S201U-K4
In Stock
From
$42.17
ABB
4
240
S201U-K40
S201U-K40
In Stock
From
$99.55
ABB
40
240
S201U-K63
S201U-K63
In Stock
From
$25.85
ABB
63
240
S201U-Z1
S201U-Z1
In Stock
From
$42.43
ABB
1
240
S201U-Z10
S201U-Z10
In Stock
From
$87.99
ABB
10
240
S201U-Z2
S201U-Z2
In Stock
From
$153.65
ABB
2
240
S201U-Z6
S201U-Z6
In Stock
From
$43.17
ABB
6
240
S201UP-K10
S201UP-K10
In Stock
From
$32.72
ABB
10
277
S201UP-K15
S201UP-K15
In Stock
From
$58.55
ABB
15
277
S201UP-K25
S201UP-K25
In Stock
From
$70.29
ABB
25
277
S201UP-K3
S201UP-K3
In Stock
From
$82.80
ABB
3
277
S201UP-K4
S201UP-K4
In Stock
From
$85.42
ABB
4
277
S201UP-K6
S201UP-K6
In Stock
From
$23.55
ABB
6
277
S201UP-K8
S201UP-K8
In Stock
From
$48.48
ABB
8
277
S202P-K13
S202P-K13
In Stock
From
$53.27
ABB
13
480
S202P-K2
S202P-K2
In Stock
From
$246.69
ABB
2
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.