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
TA45-ABTWF038C0
TA45-ABTWF038C0
In Stock
From
$54.04
Schurter
TA45-ABTWF075C0
TA45-ABTWF075C0
In Stock
From
$35.86
Schurter
TA45-ABTWFJ15C0
TA45-ABTWFJ15C0
In Stock
From
$79.12
Schurter
TA45-ABTWFJ25C0
TA45-ABTWFJ25C0
In Stock
From
$38.69
Schurter
TA45-ABTWK160C0
TA45-ABTWK160C0
In Stock
From
$37.75
Schurter
3-101-227
3-101-227
In Stock
From
$5.32
Schurter
3-128-240
3-128-240
In Stock
From
$32.69
Schurter
3-129-058
3-129-058
In Stock
From
$100.08
Schurter
4400.0194
4400.0194
In Stock
From
$19.70
Schurter
4404.0096
4404.0096
In Stock
From
$15.93
Schurter
4404.0097
4404.0097
In Stock
From
$5.67
Schurter
4404.0102
4404.0102
In Stock
From
$5.96
Schurter
4404.0105
4404.0105
In Stock
From
$5.66
Schurter
4410.003
4410.003
In Stock
From
$50.88
Schurter
4430.0022
4430.0022
In Stock
From
$82.59
Schurter
4430.0436
4430.0436
In Stock
From
$2.98
Schurter
4430.0699
4430.0699
In Stock
From
$49.42
Schurter
4430.125
4430.125
In Stock
From
$50.64
Schurter
4430.1251
4430.1251
In Stock
From
$73.84
Schurter
4430.2225
4430.2225
In Stock
From
$73.38
Schurter
4430.2306
4430.2306
In Stock
From
$83.96
Schurter
4430.242
4430.242
In Stock
From
$69.61
Schurter
4430.2581
4430.2581
In Stock
From
$89.61
Schurter
4430.2924
4430.2924
In Stock
From
$119.07
Schurter
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.