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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
MGP1003X
MGP1003X
Limited Stock
From
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Schneider Electric
MGP1602L2N
MGP1602L2N
Limited Stock
From
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Schneider Electric
MGP1604XFO
MGP1604XFO
Limited Stock
From
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Schneider Electric
MGP6303X
MGP6303X
Limited Stock
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Schneider Electric
MULTI 9 C60N B 63
MULTI 9 C60N B 63
Limited Stock
From
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Schneider Electric
MULTI9 C60 1A
MULTI9 C60 1A
In Stock
From
$48.24
Schneider Electric
NAGF220CP
NAGF220CP
In Stock
From
$181.86
Schneider Electric
NC030CP
NC030CP
In Stock
From
$23.05
Schneider Electric
NFNF36020UOL9
NFNF36020UOL9
In Stock
From
$199.43
Schneider Electric
NFNF36030UOL9
NFNF36030UOL9
In Stock
From
$270.69
Schneider Electric
NLGL36600U33X
NLGL36600U33X
In Stock
From
$4,369.48
Schneider Electric
NS630B/1600
NS630B/1600
Limited Stock
From
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Schneider Electric
NSA160E
NSA160E
Limited Stock
From
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Schneider Electric
NSA160N
NSA160N
In Stock
From
$438.01
Schneider Electric
NSX100HB1
NSX100HB1
In Stock
From
$971.54
Schneider Electric
NW16NDC-C1
NW16NDC-C1
In Stock
From
$7,264.10
Schneider Electric
PDC5DG20L3
PDC5DG20L3
In Stock
From
$210.02
Schneider Electric
PFA-36070-N
PFA-36070-N
In Stock
From
$326.83
Schneider Electric
PGF36120CU31AYE
PGF36120CU31AYE
In Stock
From
$14,965.81
Schneider Electric
PHF362000M025893
PHF362000M025893
In Stock
From
$11,400.40
Schneider Electric
PJL36000S12AAUARD10
PJL36000S12AAUARD10
In Stock
From
$24,390.49
Schneider Electric
PLL34120U44ASA
PLL34120U44ASA
In Stock
From
$7,785.00
Schneider Electric
PP40161L1
PP40161L1
Limited Stock
From
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Schneider Electric
PP40251L1
PP40251L1
Limited Stock
From
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Schneider Electric
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.