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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
TEYF240
TEYF240
In Stock
From
$407.97
General Electric
40
480
TEYF245
TEYF245
In Stock
From
$194.94
General Electric
45
480
TEYF250
TEYF250
In Stock
From
$363.71
General Electric
50
480
TEYF270
TEYF270
In Stock
From
$442.30
General Electric
70
480
TEYF290
TEYF290
In Stock
From
$171.29
General Electric
90
480
TEYH1020B
TEYH1020B
In Stock
From
$124.83
General Electric
20
480
TEYH2020B
TEYH2020B
In Stock
From
$385.71
General Electric
20
480
TEYH2035B
TEYH2035B
In Stock
From
$669.92
General Electric
35
480
TEYH3030B
TEYH3030B
In Stock
From
$405.99
General Electric
30
480
TEYH3040B
TEYH3040B
In Stock
From
$660.49
General Electric
40
480
TEYH3070B
TEYH3070B
In Stock
From
$642.37
General Electric
70
480
TEYH3110B
TEYH3110B
In Stock
From
$3,952.53
General Electric
110
480
THHQB32030
THHQB32030
In Stock
From
$79.48
ABB
30
208
THQB2100
THQB2100
In Stock
From
$38.43
General Electric
15
240
THQL1110
THQL1110
In Stock
From
$9.75
ABB
10
120
THQL2130GFT
THQL2130GFT
In Stock
From
$102.87
ABB
30
240
THQL2140GFT
THQL2140GFT
In Stock
From
$198.12
ABB
40
240
THQL2160GFT
THQL2160GFT
In Stock
From
Get Price
General Electric
60
240
THQMV100
THQMV100
In Stock
From
$234.10
General Electric
100
120
THQMV100B
THQMV100B
In Stock
From
$121.38
General Electric
100
120
THQMV100D
THQMV100D
In Stock
From
$128.13
General Electric
100
120
THQMV125
THQMV125
In Stock
From
$181.20
General Electric
125
120
THQMV125D
THQMV125D
In Stock
From
$173.07
General Electric
125
120
THQMV150
THQMV150
In Stock
From
$257.05
General Electric
150
120
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.