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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
HGA36100CU33XLCYE
HGA36100CU33XLCYE
Limited Stock
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Square D
-
-
HGA36150LC
HGA36150LC
Limited Stock
From
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Schneider Electric
-
-
HM631125
HM631125
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Federal Pacific
-
-
IK36020
IK36020
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Square D
-
-
JJL36250U31XBDUA
JJL36250U31XBDUA
Limited Stock
From
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Square D
-
-
KAL3622526M
KAL3622526M
Limited Stock
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Schneider Electric
-
-
LA2200P
LA2200P
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From
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Square D
-
-
NE22030
NE22030
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Federal Pacific
-
-
NE234040SEJ3
NE234040SEJ3
Limited Stock
From
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Federal Pacific
-
-
NQFTL2L
NQFTL2L
Limited Stock
From
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Square D
-
-
Q2M175
Q2M175
Limited Stock
From
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Square D
-
-
RKF36160U44AE1YP
RKF36160U44AE1YP
Limited Stock
From
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Square D
1600
600
SED32000LSG
SED32000LSG
Limited Stock
From
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Square D
-
-
SED361600LSG/AC
SED361600LSG/AC
Limited Stock
From
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Square D
-
-
TFJ236125-ST1
TFJ236125-ST1
Limited Stock
From
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ABB
-
-
V5D4153Y000
V5D4153Y000
Limited Stock
From
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Square D
-
-
V5D4253Y000
V5D4253Y000
Limited Stock
From
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Square D
-
-
03386
03386
Limited Stock
From
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Legrand
-
-
140G-H6C3-C60-KA
140G-H6C3-C60-KA
Limited Stock
From
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Allen-Bradley
-
-
1492-CB1020
1492-CB1020
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From
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Allen-Bradley
-
-
1492-CB1DF020
1492-CB1DF020
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From
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Allen-Bradley
-
-
1SDA066805R1
1SDA066805R1
Limited Stock
From
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ABB
-
-
26895
26895
Limited Stock
From
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Schneider Electric
-
-
3VA99770CH12
3VA99770CH12
Limited Stock
From
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Siemens
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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.