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
T1N100TL1
T1N100TL1
Limited Stock
From
Get Price
ABB
-
-
T1N203
T1N203
Limited Stock
From
Get Price
ABB
-
-
T2N160-PR221DS-LS-IN-160A-3P-FF
T2N160-PR221DS-LS-IN-160A-3P-FF
Limited Stock
From
Get Price
ABB
-
-
T2S020TL
T2S020TL
Limited Stock
From
Get Price
ABB
-
-
T2S100BL
T2S100BL
Limited Stock
From
Get Price
ABB
-
-
T3N100TWS4
T3N100TWS4
Limited Stock
From
Get Price
ABB
-
-
T3N175TLA3
T3N175TLA3
Limited Stock
From
Get Price
ABB
-
-
T4H-D-250
T4H-D-250
Limited Stock
From
Get Price
ABB
-
-
T4H320
T4H320
Limited Stock
From
Get Price
ABB
-
-
T4L250TLAS8
T4L250TLAS8
Limited Stock
From
Get Price
ABB
-
-
T6N800BL
T6N800BL
Limited Stock
From
Get Price
ABB
-
-
T8VBE3HE00A0A0BC
T8VBE3HE00A0A0BC
Limited Stock
From
Get Price
ABB
-
-
TS3H-D150
TS3H-D150
Limited Stock
From
Get Price
ABB
-
-
TS3L225TLBAS8
TS3L225TLBAS8
Limited Stock
From
Get Price
ABB
-
-
UXAB-727121-R-123
UXAB-727121-R-123
Limited Stock
From
Get Price
ABB
-
-
X1NA3CBC00A000XX
X1NA3CBC00A000XX
Limited Stock
From
Get Price
ABB
-
-
XT1N 125 TMF 90-900 3P F F UL/CSA
XT1N 125 TMF 90-900 3P F F UL/CSA
Limited Stock
From
Get Price
ABB
-
-
XT2L 125 TMF 70-700 3P F F UL/CSA
XT2L 125 TMF 70-700 3P F F UL/CSA
Limited Stock
From
Get Price
ABB
-
-
XT3N 225 TMF 150-1500 3P F F UL/CSA
XT3N 225 TMF 150-1500 3P F F UL/CSA
Limited Stock
From
Get Price
ABB
-
-
1SDA055055R1
1SDA055055R1
Limited Stock
From
Get Price
ABB
-
-
2CDS254001R0104
2CDS254001R0104
Limited Stock
From
Get Price
ABB
-
-
DS201 C10 AC30
DS201 C10 AC30
Limited Stock
From
Get Price
ABB
-
-
F204AC-63/0.3
F204AC-63/0.3
Limited Stock
From
Get Price
ABB
-
-
PL701U-K1
PL701U-K1
Limited Stock
From
Get Price
ABB
1
240
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.