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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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Manufacturer
Amperage
Voltage
25811
25811
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Square D
1
440
25817
25817
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Schneider Electric
16
440
25822
25822
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Schneider Electric
50
440
25837
25837
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Merlin Gerin
63
440
FCJ340501325
FCJ340501325
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Schneider Electric
50
480
FI36060TVSS
FI36060TVSS
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Schneider Electric
-
-
GV2RT03
GV2RT03
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Schneider Electric
-
-
KAL3622529M
KAL3622529M
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Schneider Electric
-
-
KCP34125MT
KCP34125MT
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Schneider Electric
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LV434011
LV434011
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Schneider Electric
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-
MHP360006MMT
MHP360006MMT
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Square D
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600
MULTI-9-60106
MULTI-9-60106
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Schneider Electric
5
-
MULTI-9-60113-C60-20A
MULTI-9-60113-C60-20A
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Schneider Electric
20
-
QOU3305283
QOU3305283
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Schneider Electric
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-
WA4FFF44A9SHXHXABA
WA4FFF44A9SHXHXABA
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Schneider Electric
-
-
1280413000
1280413000
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Schneider Electric
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-
19307
19307
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Schneider Electric
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23054
23054
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Schneider Electric
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24119
24119
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Schneider Electric
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-
29640
29640
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Schneider Electric
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-
31640
31640
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Schneider Electric
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46790
46790
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Schneider Electric
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-
A9F03220
A9F03220
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Schneider Electric
-
-
A9F44240
A9F44240
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Schneider Electric
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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.