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
9926251020
9926251020
In Stock
From
$25.00
Weidmuller
9926251803
9926251803
In Stock
From
$19.74
Weidmuller
BR1B6UC
BR1B6UC
In Stock
From
$12.70
Weidmuller
BR1C05AC
BR1C05AC
In Stock
From
$17.25
Weidmuller
BR1C10AC
BR1C10AC
In Stock
From
$9.24
Weidmuller
BR1C15AC
BR1C15AC
In Stock
From
$20.88
Weidmuller
BR1C20AC
BR1C20AC
In Stock
From
$31.13
Weidmuller
BR1D10AC
BR1D10AC
In Stock
From
$93.56
Weidmuller
BR1D15UC
BR1D15UC
In Stock
From
$33.84
Weidmuller
BR1D20UC
BR1D20UC
In Stock
From
$15.66
Weidmuller
BR2C1.5UC
BR2C1.5UC
In Stock
From
$33.36
Weidmuller
BR2C10UC
BR2C10UC
In Stock
From
$41.12
Weidmuller
BR2C25UC
BR2C25UC
In Stock
From
$32.82
Weidmuller
BR2C32UC
BR2C32UC
In Stock
From
$34.28
Weidmuller
BR2D13UC
BR2D13UC
In Stock
From
$58.09
Weidmuller
BR3C15UC
BR3C15UC
In Stock
From
$38.79
Weidmuller
BR3C20AC
BR3C20AC
In Stock
From
$32.65
Weidmuller
BR3D15AC
BR3D15AC
In Stock
From
$38.40
Weidmuller
BR3D1UC
BR3D1UC
In Stock
From
$24.99
Weidmuller
BR3D25AC
BR3D25AC
In Stock
From
$70.80
Weidmuller
SU1C1AC
SU1C1AC
In Stock
From
$11.32
Weidmuller
SU1C40UC
SU1C40UC
In Stock
From
$31.31
Weidmuller
24282
24282
In Stock
From
$5.24
Weidmuller
9124213500
9124213500
In Stock
From
$76.22
Weidmuller
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.