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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
TKM836500WL
TKM836500WL
In Stock
From
$831.82
General Electric
500
600
TKM836600WL
TKM836600WL
In Stock
From
$1,216.93
General Electric
600
600
TKM836700WL
TKM836700WL
In Stock
From
$1,917.25
General Electric
700
600
TQD22125ST1
TQD22125ST1
In Stock
From
$585.02
General Electric
125
240
TQD22225X2
TQD22225X2
In Stock
From
$304.31
General Electric
225
240
TQD32175ST1
TQD32175ST1
In Stock
From
$582.90
General Electric
175
240
TQD32225ST1
TQD32225ST1
In Stock
From
$1,484.31
General Electric
225
240
TQL2115
TQL2115
In Stock
From
$16.16
General Electric
15
240
TQL2140
TQL2140
In Stock
From
$30.30
General Electric
40
240
TQL22020
TQL22020
In Stock
From
$16.96
General Electric
20
240
TQL31WY30
TQL31WY30
In Stock
From
$25.62
General Electric
30
240
TQL32030
TQL32030
In Stock
From
$24.70
General Electric
30
240
TQL32040
TQL32040
In Stock
From
$6.89
General Electric
40
240
TXQB1115
TXQB1115
In Stock
From
$57.58
General Electric
15
120
TXQB1130
TXQB1130
In Stock
From
$52.07
General Electric
30
120
EP101UCC02
EP101UCC02
In Stock
From
$106.65
General Electric
2
415
EP101ULC01
EP101ULC01
In Stock
From
$85.00
General Electric
1
277
EP101ULC02
EP101ULC02
In Stock
From
$18.50
General Electric
2
277
EP101ULC06
EP101ULC06
In Stock
From
$75.36
General Electric
6
277
EP101ULC10
EP101ULC10
In Stock
From
$63.26
General Electric
10
277
EP101ULC20
EP101ULC20
In Stock
From
$16.42
General Electric
20
277
EP101ULC25
EP101ULC25
In Stock
From
$137.68
General Electric
25
277
EP101ULHB10
EP101ULHB10
In Stock
From
$99.09
General Electric
10
277
EP101ULHB20
EP101ULHB20
In Stock
From
$136.79
General Electric
20
277
Popular Molded Case Circuit Breaker Manufacturers
Eaton
Square D
ABB
Siemens

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.