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
Amperage
Voltage
1492-GHA010
1492-GHA010
In Stock
From
$47.48
Allen-Bradley
-
-
1492-GHA040
1492-GHA040
In Stock
From
$61.69
Allen-Bradley
-
-
1492-GHD-020F
1492-GHD-020F
In Stock
From
$32.33
Allen-Bradley
-
-
1492-GHD005
1492-GHD005
In Stock
From
$54.88
Allen-Bradley
-
-
1492-GHD012
1492-GHD012
In Stock
From
$67.82
Allen-Bradley
-
-
1492-GHD020
1492-GHD020
In Stock
From
$25.42
Allen-Bradley
-
-
1492-GHD025
1492-GHD025
In Stock
From
$32.88
Allen-Bradley
-
-
1492-GHD030
1492-GHD030
In Stock
From
$44.92
Allen-Bradley
-
-
1492-GHD040
1492-GHD040
In Stock
From
$41.07
Allen-Bradley
-
-
1492-GHD070
1492-GHD070
In Stock
From
$73.56
Allen-Bradley
-
-
1492-GHD150
1492-GHD150
In Stock
From
$75.80
Allen-Bradley
-
-
140M-18P-B30-M
140M-18P-B30-M
In Stock
From
$22.22
Allen-Bradley
0.4
-
140M-18P-B305-M
140M-18P-B305-M
In Stock
From
$108.18
Allen-Bradley
30
600
140M-18P-C30S-M
140M-18P-C30S-M
In Stock
From
$108.18
Allen-Bradley
30
600
140M-18P-D15S
140M-18P-D15S
In Stock
From
Get Price
Allen-Bradley
16
-
140M-D8E-C29
140M-D8E-C29
In Stock
From
$191.41
Allen-Bradley
29
-
140M-I8E-C80A
140M-I8E-C80A
In Stock
From
$42.73
Allen-Bradley
80
600
140M-I8P-C30S-CXM
140M-I8P-C30S-CXM
In Stock
From
$208.03
Allen-Bradley
30
600
140UJD3D3D22
140UJD3D3D22
In Stock
From
$833.33
Allen-Bradley
225
600
1492-CB1F015
1492-CB1F015
In Stock
From
$20.29
Allen-Bradley
1.5
-
1492-CB1G250
1492-CB1G250
In Stock
From
$4.06
Allen-Bradley
25
480
1492-CB1H020
1492-CB1H020
In Stock
From
$38.85
Allen-Bradley
2
480
1492-CB1H040
1492-CB1H040
In Stock
From
$27.63
Allen-Bradley
4
480
1492-CB2-G050
1492-CB2-G050
In Stock
From
$50.16
Allen-Bradley
5
480
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.