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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
S202MUC-Z5
S202MUC-Z5
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ABB
-
-
S202MUC-Z6
S202MUC-Z6
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From
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ABB
-
-
S204M-C10
S204M-C10
Limited Stock
From
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ABB
-
-
S204M-C63
S204M-C63
Limited Stock
From
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ABB
63
-
S211-K6A
S211-K6A
Limited Stock
From
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ABB
-
-
S223-K20
S223-K20
Limited Stock
From
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ABB
-
-
S273-KS5
S273-KS5
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ABB
-
-
S282-Z50A
S282-Z50A
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ABB
-
-
S283UX-K16A
S283UX-K16A
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ABB
-
-
SU202PR-K50
SU202PR-K50
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ABB
-
-
T1N 160
T1N 160
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ABB
-
-
T1N030TLA
T1N030TLA
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ABB
-
-
T5N300TWS4
T5N300TWS4
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ABB
-
-
TEYADFHACBXXXXXX
TEYADFHACBXXXXXX
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ABB
40
480
TS3N040TL
TS3N040TL
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ABB
-
-
UXAB 718530-R-999
UXAB 718530-R-999
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ABB
-
-
XT1HU3125AFA000XXX
XT1HU3125AFA000XXX
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ABB
-
-
SU201ML-K20
SU201ML-K20
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ABB
-
-
SU203PR-K60
SU203PR-K60
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From
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ABB
-
-
TEB124050
TEB124050
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ABB
50
415
CR151KBC01AK
CR151KBC01AK
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From
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ABB
-
-
TFJ236125-ST1
TFJ236125-ST1
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ABB
-
-
1SDA066805R1
1SDA066805R1
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ABB
-
-
2CDS281001R0257
2CDS281001R0257
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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.