1. Home / 
  2. All Categories / 
  3. Circuit Breaker / 
  4. Molded Case Circuit Breaker

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
GHS2710001R0557
GHS2710001R0557
Limited Stock
From
Get Price
ABB
GHS2720001R0206
GHS2720001R0206
Limited Stock
From
Get Price
ABB
GI 125-50A
GI 125-50A
Limited Stock
From
Get Price
Eaton
GMB-32U
GMB-32U
Limited Stock
From
Get Price
Stopcircuit
GMB631PC2
GMB631PC2
Limited Stock
From
Get Price
Carlo Gavazzi
GMB633PC20
GMB633PC20
Limited Stock
From
Get Price
Carlo Gavazzi
GV2ME10/4-6.3A
GV2ME10/4-6.3A
Limited Stock
From
Get Price
Schneider Electric
HDA36080YA
HDA36080YA
Limited Stock
From
Get Price
Schneider Electric
HEB1B015V
HEB1B015V
Limited Stock
From
Get Price
Siemens
HH83XB452
HH83XB452
Limited Stock
From
Get Price
Eaton
HH83XE634A
HH83XE634A
Limited Stock
From
Get Price
United Technologies
HSL-106B
HSL-106B
Limited Stock
From
Get Price
Havells
IC60HC6A
IC60HC6A
Limited Stock
From
Get Price
Schneider Electric
J7M-AM-1
J7M-AM-1
Limited Stock
From
Get Price
Omron
J7M-AM-10
J7M-AM-10
Limited Stock
From
Get Price
Omron
J7MN-3P-1E6
J7MN-3P-1E6
Limited Stock
From
Get Price
Omron
JA1-A2-A-0015-02E
JA1-A2-A-0015-02E
Limited Stock
From
Get Price
Eaton
JA1S-D2-A-0010-02E
JA1S-D2-A-0010-02E
Limited Stock
From
Get Price
Eaton
JA1S-D3-A-0002-02E
JA1S-D3-A-0002-02E
Limited Stock
From
Get Price
Eaton
JLE-1-1-53-3-F0-175
JLE-1-1-53-3-F0-175
Limited Stock
From
Get Price
Sensata Technologies
JVL11C6
JVL11C6
Limited Stock
From
Get Price
Ametek
KD3100W02
KD3100W02
Limited Stock
From
Get Price
Eaton
KT6VD-M
KT6VD-M
Limited Stock
From
Get Price
ABB
L7-6/3/C
L7-6/3/C
Limited Stock
From
Get Price
F&G
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.